Safety-related Transportation Research

Projects may be listed more than once if they're cross referenced under multiple keywords.

3D imaging

• June 2008, Feasibility of Visualization and Simulation Applications to Improve Work Zone Safety and Mobility

access management

• July 2008, Warrants for Roundabouts

accident location and analysis

• March 2007, Secondary Accident Data Fusion for Assessing Long-Term Performance of Transportation Systems
• June 2001, Geographic Information System-Based Accident Location and Analysis System (GIS-ALAS)

asset management

• March 2011, Asset Management and Safety: Roadway Lighting, Signing, and Pavement Marking Tools
• January 2006, Synthesis of Procedures to Forecast and Monitor Work Zone Safety and Mobility Impacts

automated

• June 2000, Evaluation of Automated Enforcement of Traffic Signal Violations in Iowa

automated enforcement

• June 2011, Evaluating the Effectiveness of Red Light Running Camera Enforcement in Cedar Rapids and Developing Guidelines for Selection and Use of Red Light Running Countermeasures

best practices

• October 2010, Improving Traffic Safety Culture in Iowa
• June 2009, Effectiveness of Safety Corridor Programs, AKA Road Safety Audits

Black Hawk County, Iowa

• August 2009, Road Safety Audit for Intersection of US 218 and County Road C-57 in Black Hawk County, Iowa

bridge piers

• June 2009, Evaluation for Effective Shielding of Bridge Piers

child restraint

• December 2003, Evaluation of Racial Differences in Seat Belt and Child Restraint Use: A Review of Current Literature

City of Ames, Iowa

• August 2011, A Transportation Safety Planning Tool for the City of Ames

clear zone

• June 2009, Evaluation for Effective Shielding of Bridge Piers
• November 2008, Clear Zone - A Synthesis of Practice and an Evaluation of the Benefits of Meeting the 10 ft Clear Zone Goal on Urban Streets

communication

• October 2008, Update of "Roundabouts: An Informational Guide"
• March 2007, State Traffic Safety Engineers List
• August 2001, Communicating Highway Safety: What Works
• December 2000, Traffic Safety & Engineering Informational Series

congestion

• December 2007, Asset Management Strategies to Mitigate Freeway Work Zone Congestion
• January 2006, Synthesis of Procedures to Forecast and Monitor Work Zone Safety and Mobility Impacts
• December 2002, Work Zone Speed Advisory System--Midwest States Smart Work Zone Deployment Initiative: Year 4

conspicuity

• December 2012, Study of the Factors that Contribute to Motorcycle Conspicuity
• June 2010, Enhancing Motorcycle Conspicuity Awareness in Iowa

construction

• May 2011, Analysis of Nighttime Construction Activities and Impacts on Safety, Quality, and Productivity
• June 2009, Construction Project Administration and Management for Mitigating Work Zone Accidents and Fatalities: An Integrated Risk Management Model
• June 2008, Feasibility of Visualization and Simulation Applications to Improve Work Zone Safety and Mobility
• June 2007, Prefabricated Elements Case Study
• December 2002, Effectiveness of Extra Enforcement in Construction and Maintenance Work Zones--Midwest States Smart Work Zone Deployment Initiative: Year 4
• August 2002, Traffic Control Strategies in Work Zones with Edge Drop-Offs

corridor

• July 2008, Synthesis Study: Effectiveness of Safety Corridor Programs in Region 7 States
• July 2008, Warrants for Roundabouts

cost/benefit analysis

• November 2000, Effectiveness of Roadway Safety Improvements
• June 1994, Safety and Highway Investment

countermeasures

• November 2011, Evaluation of Rumble Stripes on Low-Volume Rural Roads in Iowa--Phase II
• September 2011, Evaluation of Electronic Speed Limit Signs for Unified Consolidated School on US 30, Eastbound and Westbound
• June 2011, Evaluating the Effectiveness of Red Light Running Camera Enforcement in Cedar Rapids and Developing Guidelines for Selection and Use of Red Light Running Countermeasures
• January 2011, Use of Crash Surrogate Measures to Assess the Impact of Systematic Improvements and Other Countermeasures on Rural Roadway Safety

crash analysis

• September 2011, Evaluation of Rumble Stripes on Low-Volume Rural Roads in Iowa
• December 2010, Safety Analysis of Low Volume Rural Roads in Iowa
• June 2009, Effectiveness of Special Deer Management Hunts on Deer-Vehicle Crash Reduction
• April 2009, Spatial Scale of Clustering of Motor Vehicle Crash Types and Appropriate Countermeasures
• December 2008, US Road Assessment Program, Phases 1-3
• August 2008, Geospatial safety analysis for highway curves and resurfacing projects
• March 2008, Assessing the Spatial and Temporal Differences in Midwestern Crashes Relative to National Data: Implications for Public Policy Decisions
• September 2006, Crash Mapping Analysis Tool for Minnesota DOT
• December 2005, Winter Weather Crash Trends on Iowa Primary Roads
• August 2005, Best Practices and Recommended Strategies for Shared Left Turn Lanes at Signal Control Approaches
• December 2004, Crash Mapping Analysis Tool (CMAT)
• December 2004, Incident Location Tool Support for South Dakota DOT
• March 2004, Rural Expressway Intersection Synthesis of Practice and Crash Analysis
• March 2004, Incident Location Tool Support for Florida State University
• February 2004, Effectiveness of All-Red Clearance Time on Intersection Accidents and Violation Trends
• October 2002, Integration of Existing and Identification of Future Data Sources for Improved Intersection Safety Analysis

crash data

• November 2010, Road Safety Audit for James Avenue NW and 250th Street NW, from the North Corporate Limits of Tiffin
• October 2010, Road Safety Audit for US 151 from Amana to US 30 in Cedar Rapids
• March 2010, Road Safety Audit for Marion County Road T15
• January 2010, Road Safety Audit for County Roads X-23 and W-62 in Lee County, Iowa
• January 2010, Road Safety Audit for County Road H-46 in Jefferson County, Iowa
• December 2009, Road Safety Audit for IA 150/US 52 from I-380 to the Minnesota Border
• September 2009, Road Safety Audit for Intersection of IA 1 and County Road F-67 in Johnson County, Iowa
• August 2009, Road Safety Audit for Intersection of US 218 and County Road C-57 in Black Hawk County, Iowa
• June 2009, Pavement Markings and Safety
• June 2009, Evaluation Framework for the Creation and Analysis of Integrated Spatially-referenced Driver-Crash Databases
• June 2009, Road Safety Audit for County Road W-55 in Washington County, Iowa
• June 2009, Road Safety Audit for County Road X-37 in Louisa County, Iowa
• June 2009, Road Safety Audit for US 6 from Iowa City to West Liberty in Johnson and Muscatine Counties, Iowa
• March 2009, Road Safety Audit for I-380 through the Cities of Cedar Rapids and Hiawatha in Linn County, Iowa
• February 2009, Road Safety Audit for Marshall County Road E-35
• February 2009, Safety Data Improvement
• November 2008, Road Safety Audit for the US 61/Harrison Street and West Locust Street Intersection in Davenport
• October 2008, Road Safety Audit for Union County IA 25 from the WCL of Creston to North H-24 Intersection
• July 2008, Road Safety Audit Report for US 61 from the ECL of Muscatine to the WCL of Davenport
• July 2008, Road Safety Audit for US 52 from IA 136 to the NCL of Dubuque
• August 2006, Crash Record Validation Study
• June 2006, High-Speed Expressway Intersections Study of Crash Risk Factors
• December 2004, Crash Mapping Analysis Tool (CMAT)
• November 2000, Effectiveness of Roadway Safety Improvements
• , Minnesota Mapping Analysis Tool (MnMAT) Enhancements

crash location

• July 2011, Evaluation of Speed Activated Displays on Curves
• March 2011, Low-Cost Strategies to Reduce Speed and Crashes on Curves
• December 2009, Road Safety Audit for IA 150/US 52 from I-380 to the Minnesota Border
• September 2009, Road Safety Audit for Intersection of IA 1 and County Road F-67 in Johnson County, Iowa
• August 2009, Road Safety Audit for Intersection of US 218 and County Road C-57 in Black Hawk County, Iowa
• June 2009, Road Safety Audit for County Road W-55 in Washington County, Iowa
• June 2009, Road Safety Audit for County Road X-37 in Louisa County, Iowa
• June 2009, Road Safety Audit for US 6 from Iowa City to West Liberty in Johnson and Muscatine Counties, Iowa
• March 2009, Road Safety Audit for I-380 through the Cities of Cedar Rapids and Hiawatha in Linn County, Iowa
• February 2009, Road Safety Audit for Marshall County Road E-35
• December 2008, US Road Assessment Program, Phases 1-3
• November 2008, Road Safety Audit for the US 61/Harrison Street and West Locust Street Intersection in Davenport
• October 2008, Road Safety Audit for Union County IA 25 from the WCL of Creston to North H-24 Intersection
• August 2008, Geospatial safety analysis for highway curves and resurfacing projects
• July 2008, Road Safety Audit Report for US 61 from the ECL of Muscatine to the WCL of Davenport
• July 2008, Road Safety Audit for US 52 from IA 136 to the NCL of Dubuque
• June 2008, Impact of Some Site-Specific Characteristics on the Success of the Signalization of High-Speed Intersections
• November 2000, Effectiveness of Roadway Safety Improvements

crash mitigation

• November 2011, Evaluation of Rumble Stripes on Low-Volume Rural Roads in Iowa--Phase II
• August 2011, Safety and Mobility Impacts of Winter Weather - Phase I
• June 2011, Evaluating the Effectiveness of Red Light Running Camera Enforcement in Cedar Rapids and Developing Guidelines for Selection and Use of Red Light Running Countermeasures
• March 2011, Lane Departure Safety Countermeasures: Strategic Action Plan for the Iowa Department of Transportation
• December 2010, Roadway Lighting and Safety: Phase II-Monitoring Quality, Durability, and Efficiency
• October 2010, Road Safety Audit for US 151 from Amana to US 30 in Cedar Rapids
• March 2010, Road Safety Audit for Marion County Road T15
• January 2010, Road Safety Audit for County Roads X-23 and W-62 in Lee County, Iowa
• January 2010, Road Safety Audit for County Road H-46 in Jefferson County, Iowa
• December 2009, Road Safety Audit for IA 150/US 52 from I-380 to the Minnesota Border
• November 2009, Road Safety Assessment for Franklin County, Ohio
• September 2009, Road Safety Audit for Intersection of IA 1 and County Road F-67 in Johnson County, Iowa
• August 2009, Road Safety Audit for Intersection of US 218 and County Road C-57 in Black Hawk County, Iowa
• June 2009, Road Safety Audit for County Road W-55 in Washington County, Iowa
• June 2009, Road Safety Audit for County Road X-37 in Louisa County, Iowa
• June 2009, Road Safety Audit for US 6 from Iowa City to West Liberty in Johnson and Muscatine Counties, Iowa
• March 2009, Road Safety Audit for I-380 through the Cities of Cedar Rapids and Hiawatha in Linn County, Iowa
• February 2009, Road Safety Audit for Marshall County Road E-35
• November 2008, Road Safety Audit for the US 61/Harrison Street and West Locust Street Intersection in Davenport
• October 2008, Road Safety Audit for Union County IA 25 from the WCL of Creston to North H-24 Intersection
• July 2008, Road Safety Audit Report for US 61 from the ECL of Muscatine to the WCL of Davenport
• July 2008, Road Safety Audit for US 52 from IA 136 to the NCL of Dubuque

crash surrogate

• January 2011, Use of Crash Surrogate Measures to Assess the Impact of Systematic Improvements and Other Countermeasures on Rural Roadway Safety

crosswalk

• December 2002, Pedestrian Crossing Safety Technology Assessment

data

• June 2010, Iowa Traffic Safety Data Service
• February 2009, Safety Data Improvement
• October 2002, Integration of Existing and Identification of Future Data Sources for Improved Intersection Safety Analysis

data analysis

• February 2008, Development of Analytical Tools to Evaluate Road Departure Crashes Using Naturalistic Driving Study Data
• March 2007, Secondary Accident Data Fusion for Assessing Long-Term Performance of Transportation Systems
• August 2006, Crash Record Validation Study

data collection

• November 2004, Safety Data Collection and Analysis Software Support for New York State Police

database

• June 2009, Evaluation Framework for the Creation and Analysis of Integrated Spatially-referenced Driver-Crash Databases
• August 2008, Geospatial safety analysis for highway curves and resurfacing projects
• August 2006, Crash Record Validation Study

Davenport

• November 2008, Road Safety Audit for the US 61/Harrison Street and West Locust Street Intersection in Davenport
• July 2008, Road Safety Audit Report for US 61 from the ECL of Muscatine to the WCL of Davenport

decision-making

• July 2006, Cooperative Intersection Collision Avoidance System Benefit/Cost Analysis Tool

deer-vehicle

• June 2009, Effectiveness of Special Deer Management Hunts on Deer-Vehicle Crash Reduction
• February 2009, Road Safety Audit for Marshall County Road E-35

design

• November 2008, Clear Zone - A Synthesis of Practice and an Evaluation of the Benefits of Meeting the 10 ft Clear Zone Goal on Urban Streets

driver behavior

• July 2009, Evaluation of the Iowa Driver Improvement Program
• June 2009, Evaluation Framework for the Creation and Analysis of Integrated Spatially-referenced Driver-Crash Databases
• December 2008, Effectiveness of Dynamic Messaging on Driver Behavior for Late Merge Lane Road Closures
• September 2007, Evaluation of Iowa's Graduated Driver's Licensing Program
• November 2006, Using Digital Video Analysis to Monitor Driver Behavior at Intersections

driving performance

• July 2009, Evaluation of the Iowa Driver Improvement Program
• November 2006, Using Digital Video Analysis to Monitor Driver Behavior at Intersections

Dubuque County

• July 2008, Road Safety Audit for US 52 from IA 136 to the NCL of Dubuque

dynamic signs

• September 2011, Evaluation of Electronic Speed Limit Signs for Unified Consolidated School on US 30, Eastbound and Westbound

edge drop-off

• August 2006, Safety Impacts of Pavement Edge Dropoffs

education

• October 2010, Improving Traffic Safety Culture in Iowa

elderly drivers

• August 2004, Impact of Left-Turn Phasing on Older and Younger Drivers at High-Speed Signalized Intersections
• October 1994, Assessing the Independence, Mobility and Safety of Older Drivers

electronic signs

• September 2011, Evaluation of Electronic Speed Limit Signs for Unified Consolidated School on US 30, Eastbound and Westbound

emergency response

• October 2010, Improving Traffic Safety Culture in Iowa

energy

• June 2007, Synthesis of Energy Efficiency in Street Lighting

enforcement

• October 2010, Improving Traffic Safety Culture in Iowa
• November 2008, Clear Zone - A Synthesis of Practice and an Evaluation of the Benefits of Meeting the 10 ft Clear Zone Goal on Urban Streets
• July 2008, Synthesis Study: Effectiveness of Safety Corridor Programs in Region 7 States
• December 2002, Effectiveness of Extra Enforcement in Construction and Maintenance Work Zones--Midwest States Smart Work Zone Deployment Initiative: Year 4
• June 2000, Evaluation of Automated Enforcement of Traffic Signal Violations in Iowa

expressway

• December 2008, Management of Rural Expressways for Improved Safety and Operational Performance
• May 2008, Median Intersection Design for Rural High-Speed Divided Highway
• June 2006, High-Speed Expressway Intersections Study of Crash Risk Factors
• August 2005, Safety Effectiveness of High-Speed Expressway Signals
• June 2005, Rural Expressway Intersection Crash analysis Update
• March 2004, Rural Expressway Intersection Synthesis of Practice and Crash Analysis

fixed object setback

• November 2008, Clear Zone - A Synthesis of Practice and an Evaluation of the Benefits of Meeting the 10 ft Clear Zone Goal on Urban Streets

geographic information system (GIS)

• June 2009, Evaluation Framework for the Creation and Analysis of Integrated Spatially-referenced Driver-Crash Databases
• December 2004, Crash Mapping Analysis Tool (CMAT)
• March 2004, Incident Location Tool Support for Florida State University
• June 2001, Geographic Information System-Based Accident Location and Analysis System (GIS-ALAS)

highway

• October 2006, Safety and Operational Effectiveness of One-lane Roundabouts at High Speed Highways

highway maintenance activities

• October 2011, Risk Mitigation Strategies for Operations and Maintenance Activities

hot mix asphalt

• January 2011, Evaluation of Safety Edge Benefits in Iowa

human factors

• February 2008, Development of Analytical Tools to Evaluate Road Departure Crashes Using Naturalistic Driving Study Data

I-235

• June 2008, Feasibility of Visualization and Simulation Applications to Improve Work Zone Safety and Mobility

I-380

• March 2009, Road Safety Audit for I-380 through the Cities of Cedar Rapids and Hiawatha in Linn County, Iowa

illuminance

• December 2010, Roadway Lighting and Safety: Phase II-Monitoring Quality, Durability, and Efficiency

incident location tool

• December 2009, Location Tool Support for TraCS Location Tool States
• December 2004, Incident Location Tool Support for South Dakota DOT
• November 2004, Safety Data Collection and Analysis Software Support for New York State Police
• March 2004, Incident Location Tool Support for Florida State University
• July 2003, Incident Location Tool Support for Delaware State Police

innovative contracting

• July 2007, Flexible Start/Fixed Duration Contracting for Construction of Transportation Projects: A Case Study of the Paseo Bridge

intelligent transportation systems (ITS)

• September 2008, Implementation and Evaluation of ITS-Based and Safety Engineering-Based Pedestrian Safety Countermeasures

intersection lighting

• December 2010, Roadway Lighting and Safety: Phase II-Monitoring Quality, Durability, and Efficiency

intersections

• June 2008, Impact of Some Site-Specific Characteristics on the Success of the Signalization of High-Speed Intersections
• May 2008, Median Intersection Design for Rural High-Speed Divided Highway
• December 2007, The Effectiveness of Iowa's Automated Red Light Running Enforcement Programs (RLR, Phase 2)
• November 2006, Using Digital Video Analysis to Monitor Driver Behavior at Intersections
• September 2006, Safety Impacts of Street Lighting at Isolated Rural Intersections, Part II
• June 2006, High-Speed Expressway Intersections Study of Crash Risk Factors
• October 2005, Guidelines for Removal of Traffic Control Devices in Rural Areas
• August 2005, Safety Effectiveness of High-Speed Expressway Signals
• June 2005, Rural Expressway Intersection Crash analysis Update
• December 2004, In-Pavement Pedestrian Flasher Evaluation, Cedar Rapids, Iowa
• August 2004, Impact of Left-Turn Phasing on Older and Younger Drivers at High-Speed Signalized Intersections
• March 2004, Rural Expressway Intersection Synthesis of Practice and Crash Analysis
• February 2004, Effectiveness of All-Red Clearance Time on Intersection Accidents and Violation Trends
• October 2002, Integration of Existing and Identification of Future Data Sources for Improved Intersection Safety Analysis
• June 1997, Intersection Collision Diagram Software
• January 1994, Impacts on Safety of Left-Turn Treatment at High Speed Signalized Intersections (HR-347)

interstate

• May 2000, Mobility and Safety Impacts of Winter Storm Events in a Freeway Environment (TR-426)
• July 1999, Traffic Management Strategies for Merge Areas in Rural Interstate Work Zones

Iowa

• January 2009, Evaluation of 70 mph Speed Limit
• October 2007, Improving Transportation for Large Scale Events Within the State of Iowa
• August 2006, Crash Record Validation Study
• December 2002, Pedestrian Crossing Safety Technology Assessment
• August 2002, Traffic Control Strategies in Work Zones with Edge Drop-Offs
• May 2002, Evaluation of the Iowa DOT's Safety Improvement Candidate List Process
• April 2001, Iowa Guide and Reference Manual for Traffic Control Devices and Pavement Markings (TR-441)
• November 2000, Effectiveness of Roadway Safety Improvements

Iowa CHSP

• October 2010, Improving Traffic Safety Culture in Iowa

Iowa law

• October 2010, Improving Traffic Safety Culture in Iowa
• September 2007, Evaluation of Iowa's Graduated Driver's Licensing Program

Johnson County

• September 2009, Road Safety Audit for Intersection of IA 1 and County Road F-67 in Johnson County, Iowa
• June 2009, Road Safety Audit for US 6 from Iowa City to West Liberty in Johnson and Muscatine Counties, Iowa

Johnson County, Iowa

• January 2010, Road Safety Audit for County Road H-46 in Jefferson County, Iowa

J-turn

• January 2011, The J-Turn Intersection for Rural Expressways: Computer Simulation and Conflict Analysis

lane conversion

• June 2005, Four-Lane to Three-Lane Analysis
• June 2001, Guidelines for the Conversion of 4-lane Undivided Roadways to 3-lane 2-way Left-turn Lane Facilities

lane departure

• March 2011, Lane Departure Safety Countermeasures: Strategic Action Plan for the Iowa Department of Transportation
• January 2009, Investigating Factors Contributing to Large Truck Lane Departure Crashes Using the Federal Motor Carrier Safety Administration's Large Truck Crash Causation Study (LTCCS) Database

Lee County, Iowa

• January 2010, Road Safety Audit for County Roads X-23 and W-62 in Lee County, Iowa

left turn phases

• August 2005, Best Practices and Recommended Strategies for Shared Left Turn Lanes at Signal Control Approaches
• August 2004, Impact of Left-Turn Phasing on Older and Younger Drivers at High-Speed Signalized Intersections

lighting

• March 2011, Asset Management and Safety: Roadway Lighting, Signing, and Pavement Marking Tools
• June 2007, Synthesis of Energy Efficiency in Street Lighting
• September 2006, Safety Impacts of Street Lighting at Isolated Rural Intersections, Part II

lighting measurements

• December 2010, Roadway Lighting and Safety: Phase II-Monitoring Quality, Durability, and Efficiency

local government

• August 2009, Support by State Departments of Transportation for Local Agency Safety Initiatives

Louisa County, Iowa

• June 2009, Road Safety Audit for County Road X-37 in Louisa County, Iowa

low volume

• December 2010, Safety Analysis of Low Volume Rural Roads in Iowa
• October 2005, Guidelines for Removal of Traffic Control Devices in Rural Areas

maintenance

• October 2011, Risk Mitigation Strategies for Operations and Maintenance Activities
• December 2002, Effectiveness of Extra Enforcement in Construction and Maintenance Work Zones--Midwest States Smart Work Zone Deployment Initiative: Year 4
• October 2002, Synthesis of Best Practices for Increasing Protection and Visibility of Highway Maintenance Vehicles and Workers (TR-475)
• February 2001, Highway Maintenance Concept Vehicle, Phase III

mapping

• September 2006, Crash Mapping Analysis Tool for Minnesota DOT
• , Minnesota Mapping Analysis Tool (MnMAT) Enhancements

Marshall County, Iowa

• February 2009, Road Safety Audit for Marshall County Road E-35

median cable barriers

• March 2011, Lane Departure Safety Countermeasures: Strategic Action Plan for the Iowa Department of Transportation

medium-sized communities

• August 2011, Applicability of Road Assessment Program Methods to Metropolitan Safety Planning
• August 2011, A Transportation Safety Planning Tool for the City of Ames

metropolitan planning

• August 2011, A Transportation Safety Planning Tool for the City of Ames
• August 2011, Applicability of Road Assessment Program Methods to Metropolitan Safety Planning

Minnesota

• September 2006, Safety Impacts of Street Lighting at Isolated Rural Intersections, Part II

mobility

• August 2011, Safety and Mobility Impacts of Winter Weather - Phase I
• February 2010, Application of Visualization and Simulation Program to Improve Work Zone Safety and Mobility
• February 2010, Application of Visualization and Simulation Program to Improve Work Zone Safety and Mobility
• December 2007, Updated Rule on Safety and Mobility
• May 2000, Mobility and Safety Impacts of Winter Storm Events in a Freeway Environment (TR-426)
• October 1994, Assessing the Independence, Mobility and Safety of Older Drivers

motorcycle

• December 2012, Study of the Factors that Contribute to Motorcycle Conspicuity
• June 2010, Enhancing Motorcycle Conspicuity Awareness in Iowa

Muscatine

• July 2008, Road Safety Audit Report for US 61 from the ECL of Muscatine to the WCL of Davenport

Muscatine County

• July 2008, Road Safety Audit Report for US 61 from the ECL of Muscatine to the WCL of Davenport

Muscatine County, Iowa

• June 2009, Road Safety Audit for US 6 from Iowa City to West Liberty in Johnson and Muscatine Counties, Iowa

New York

• November 2004, Safety Data Collection and Analysis Software Support for New York State Police

nighttime traffic safety

• December 2010, Roadway Lighting and Safety: Phase II-Monitoring Quality, Durability, and Efficiency

non-signalized intersections

• November 2006, Using Digital Video Analysis to Monitor Driver Behavior at Intersections

Northeast Iowa

• December 2009, Road Safety Audit for IA 150/US 52 from I-380 to the Minnesota Border

older drivers

• June 2007, Older Driver Demonstration Study, City of Des Moines

one-way street

• June 2005, One- to Two-Way Roadway Conversions

operations and maintenance

• October 2011, Risk Mitigation Strategies for Operations and Maintenance Activities

parking

• January 2003, Angle Parking on Iowa's Low Volume Primary Extensions in Small Towns

paved shoulders

• March 2011, Lane Departure Safety Countermeasures: Strategic Action Plan for the Iowa Department of Transportation
• November 2007, Effectiveness of Paved Shoulders in Iowa

pavement

• August 2006, Safety Impacts of Pavement Edge Dropoffs
• August 2002, Traffic Control Strategies in Work Zones with Edge Drop-Offs

pavement edge drop-off

• January 2011, Evaluation of Safety Edge Benefits in Iowa

pavement markings

• March 2011, Asset Management and Safety: Roadway Lighting, Signing, and Pavement Marking Tools
• March 2011, Lane Departure Safety Countermeasures: Strategic Action Plan for the Iowa Department of Transportation
• December 2009, Evaluating the Effectiveness of Temporary Work Zone Pavement Marking Products
• June 2009, Pavement Markings and Safety
• June 2001, Durable, Cost Effective Pavement Marking Materials, Phase I (TR-454)
• April 2001, Iowa Guide and Reference Manual for Traffic Control Devices and Pavement Markings (TR-441)

pedestrian

• November 2008, Road Safety Audit for the US 61/Harrison Street and West Locust Street Intersection in Davenport
• September 2008, Implementation and Evaluation of ITS-Based and Safety Engineering-Based Pedestrian Safety Countermeasures
• June 2007, Older Driver Demonstration Study, City of Des Moines
• December 2004, In-Pavement Pedestrian Flasher Evaluation, Cedar Rapids, Iowa
• December 2002, Pedestrian Crossing Safety Technology Assessment
• December 2000, Methods to Reduce Traffic Speed in High Pedestrian Areas

pedestrian crossings

• June 2012, Evaluating the Effectiveness of the City of Des Moines LED Pedestrian Crossing Treatments

planning models

• August 2011, Applicability of Road Assessment Program Methods to Metropolitan Safety Planning
• August 2011, A Transportation Safety Planning Tool for the City of Ames

policy

• March 2008, Assessing the Spatial and Temporal Differences in Midwestern Crashes Relative to National Data: Implications for Public Policy Decisions
• December 1993, Analysis of Policies for Highway Safety Improvements on Low-Volume Rural Roadways

precast concrete

• June 2007, Prefabricated Elements Case Study

red light

• December 2007, The Effectiveness of Iowa's Automated Red Light Running Enforcement Programs (RLR, Phase 2)
• February 2004, Effectiveness of All-Red Clearance Time on Intersection Accidents and Violation Trends
• June 2000, Evaluation of Automated Enforcement of Traffic Signal Violations in Iowa

red light cameras

• June 2011, Evaluating the Effectiveness of Red Light Running Camera Enforcement in Cedar Rapids and Developing Guidelines for Selection and Use of Red Light Running Countermeasures

reference manual

• October 2005, School Zone Safety Handbook
• April 2001, Iowa Guide and Reference Manual for Traffic Control Devices and Pavement Markings (TR-441)

regulation

• December 2007, Updated Rule on Safety and Mobility

research planning

• August 2009, Integration of Analysis Methods and Development of Analysis Plan

retroreflectivity

• June 2009, Pavement Markings and Safety

risk mitigation

• October 2011, Risk Mitigation Strategies for Operations and Maintenance Activities
• August 2011, A Transportation Safety Planning Tool for the City of Ames
• August 2011, Applicability of Road Assessment Program Methods to Metropolitan Safety Planning

RMS

• December 2010, Roadway Lighting and Safety: Phase II-Monitoring Quality, Durability, and Efficiency

road assessment

• August 2011, Applicability of Road Assessment Program Methods to Metropolitan Safety Planning
• August 2011, A Transportation Safety Planning Tool for the City of Ames

road closures

• June 2005, Investigation of User Costs and Benefits of Winter Road Closures

road departure

• February 2008, Development of Analytical Tools to Evaluate Road Departure Crashes Using Naturalistic Driving Study Data

road safety audit

• December 2010, Road Safety Audit for Prince of Wales Island, Alaska
• November 2010, Road Safety Audit for James Avenue NW and 250th Street NW, from the North Corporate Limits of Tiffin
• October 2010, Road Safety Audit for US 151 from Amana to US 30 in Cedar Rapids
• March 2010, Road Safety Audit for Marion County Road T15
• January 2010, Road Safety Audit for County Roads X-23 and W-62 in Lee County, Iowa
• January 2010, Road Safety Audit for County Road H-46 in Jefferson County, Iowa
• December 2009, Road Safety Audit for IA 150/US 52 from I-380 to the Minnesota Border
• November 2009, Road Safety Assessment for Franklin County, Ohio
• September 2009, Road Safety Audit for Intersection of IA 1 and County Road F-67 in Johnson County, Iowa
• August 2009, Road Safety Audit for Intersection of US 218 and County Road C-57 in Black Hawk County, Iowa
• June 2009, Effectiveness of Safety Corridor Programs, AKA Road Safety Audits
• June 2009, Road Safety Audit for County Road X-37 in Louisa County, Iowa
• June 2009, Road Safety Audit for County Road W-55 in Washington County, Iowa
• June 2009, Road Safety Audit for US 6 from Iowa City to West Liberty in Johnson and Muscatine Counties, Iowa
• March 2009, Road Safety Audit for I-380 through the Cities of Cedar Rapids and Hiawatha in Linn County, Iowa
• February 2009, Road Safety Audit for Marshall County Road E-35
• November 2008, Road Safety Audit for the US 61/Harrison Street and West Locust Street Intersection in Davenport
• October 2008, Road Safety Audit for Union County IA 25 from the WCL of Creston to North H-24 Intersection
• July 2008, Road Safety Audit Report for US 61 from the ECL of Muscatine to the WCL of Davenport
• July 2008, Road Safety Audit for US 52 from IA 136 to the NCL of Dubuque

roadway departure

• August 2008, Roadway Departure: Marketing, Outreach, and Education

Roadway Monitoring System

• December 2010, Roadway Lighting and Safety: Phase II-Monitoring Quality, Durability, and Efficiency

roadwork risk modeling

• October 2011, Risk Mitigation Strategies for Operations and Maintenance Activities

roundabouts

• October 2008, Update of "Roundabouts: An Informational Guide"
• July 2008, Warrants for Roundabouts
• September 2007, Modern Roundabout Guidance for the Iowa DOT
• October 2006, Safety and Operational Effectiveness of One-lane Roundabouts at High Speed Highways

rumble stripes

• November 2011, Evaluation of Rumble Stripes on Low-Volume Rural Roads in Iowa--Phase II

rumble strips

• November 2011, Evaluation of Rumble Stripes on Low-Volume Rural Roads in Iowa--Phase II
• September 2011, Evaluation of Rumble Stripes on Low-Volume Rural Roads in Iowa
• March 2011, Lane Departure Safety Countermeasures: Strategic Action Plan for the Iowa Department of Transportation

run-off-road crash mitigation

• January 2011, Evaluation of Safety Edge Benefits in Iowa

run-off-road crashes

• November 2011, Evaluation of Rumble Stripes on Low-Volume Rural Roads in Iowa--Phase II
• March 2011, Lane Departure Safety Countermeasures: Strategic Action Plan for the Iowa Department of Transportation
• November 2007, Effectiveness of Paved Shoulders in Iowa

rural

• December 2008, Management of Rural Expressways for Improved Safety and Operational Performance
• July 2008, Synthesis Study: Effectiveness of Safety Corridor Programs in Region 7 States
• May 2008, Median Intersection Design for Rural High-Speed Divided Highway
• December 2007, Appropriate Traffic Calming Techniques for Small Iowa Communities (TR-523)
• September 2006, Safety Impacts of Street Lighting at Isolated Rural Intersections, Part II
• October 2005, Guidelines for Removal of Traffic Control Devices in Rural Areas
• June 2001, Paved Shoulders on Primary Highways in Iowa: An Analysis of Shoulder Surfacing Criteria, Costs, and Benefits
• July 1999, Traffic Management Strategies for Merge Areas in Rural Interstate Work Zones
• December 1993, Analysis of Policies for Highway Safety Improvements on Low-Volume Rural Roadways

rural intersections

• December 2010, Roadway Lighting and Safety: Phase II-Monitoring Quality, Durability, and Efficiency

rural road safety

• November 2011, Evaluation of Rumble Stripes on Low-Volume Rural Roads in Iowa--Phase II

rural roads

• September 2011, Evaluation of Rumble Stripes on Low-Volume Rural Roads in Iowa
• July 2011, Evaluation of Speed Activated Displays on Curves
• March 2011, Low-Cost Strategies to Reduce Speed and Crashes on Curves
• January 2011, Use of Crash Surrogate Measures to Assess the Impact of Systematic Improvements and Other Countermeasures on Rural Roadway Safety
• December 2008, Best Practices Safety Guide for Local Rural Agencies
• November 2008, Improving Safety for Slow Moving Vehicles on Iowa's High Speed Rural Roadways

SAFETEA-LU

• August 2011, A Transportation Safety Planning Tool for the City of Ames
• August 2011, Applicability of Road Assessment Program Methods to Metropolitan Safety Planning

safety culture

• October 2010, Improving Traffic Safety Culture in Iowa

safety edge technology

• March 2011, Lane Departure Safety Countermeasures: Strategic Action Plan for the Iowa Department of Transportation
• January 2011, Evaluation of Safety Edge Benefits in Iowa
• January 2011, Evaluation of Safety Edge Benefits in Iowa

safety improvements

• June 2012, Evaluating the Effectiveness of the City of Des Moines LED Pedestrian Crossing Treatments
• August 2011, Applicability of Road Assessment Program Methods to Metropolitan Safety Planning
• August 2011, A Transportation Safety Planning Tool for the City of Ames
• March 2011, Lane Departure Safety Countermeasures: Strategic Action Plan for the Iowa Department of Transportation
• January 2011, The J-Turn Intersection for Rural Expressways: Computer Simulation and Conflict Analysis
• March 2010, Road Safety Audit for Marion County Road T15
• January 2010, Road Safety Audit for County Road H-46 in Jefferson County, Iowa
• January 2010, Road Safety Audit for County Roads X-23 and W-62 in Lee County, Iowa
• December 2009, Road Safety Audit for IA 150/US 52 from I-380 to the Minnesota Border
• November 2009, Road Safety Assessment for Franklin County, Ohio
• September 2009, Road Safety Audit for Intersection of IA 1 and County Road F-67 in Johnson County, Iowa
• August 2009, Road Safety Audit for Intersection of US 218 and County Road C-57 in Black Hawk County, Iowa
• June 2009, Construction Project Administration and Management for Mitigating Work Zone Accidents and Fatalities: An Integrated Risk Management Model
• June 2009, Road Safety Audit for County Road X-37 in Louisa County, Iowa
• June 2009, Road Safety Audit for County Road W-55 in Washington County, Iowa
• June 2009, Road Safety Audit for US 6 from Iowa City to West Liberty in Johnson and Muscatine Counties, Iowa
• March 2009, Road Safety Audit for I-380 through the Cities of Cedar Rapids and Hiawatha in Linn County, Iowa
• February 2009, Road Safety Audit for Marshall County Road E-35
• February 2009, Safety Data Improvement
• December 2008, Best Practices Safety Guide for Local Rural Agencies
• November 2008, Road Safety Audit for the US 61/Harrison Street and West Locust Street Intersection in Davenport
• October 2008, Road Safety Audit for Union County IA 25 from the WCL of Creston to North H-24 Intersection
• July 2008, Road Safety Audit Report for US 61 from the ECL of Muscatine to the WCL of Davenport
• July 2008, Road Safety Audit for US 52 from IA 136 to the NCL of Dubuque
• June 2005, Four-Lane to Three-Lane Analysis
• September 2004, Development of New Strategies for Locating Safety Improvements Candidate Locations
• May 2002, Evaluation of the Iowa DOT's Safety Improvement Candidate List Process
• June 2001, Guidelines for the Conversion of 4-lane Undivided Roadways to 3-lane 2-way Left-turn Lane Facilities
• November 2000, Effectiveness of Roadway Safety Improvements
• December 1993, Analysis of Policies for Highway Safety Improvements on Low-Volume Rural Roadways

school zone

• September 2011, Evaluation of Electronic Speed Limit Signs for Unified Consolidated School on US 30, Eastbound and Westbound
• November 2008, Road Safety Audit for the US 61/Harrison Street and West Locust Street Intersection in Davenport
• October 2005, School Zone Safety Handbook

Scott County

• November 2008, Road Safety Audit for the US 61/Harrison Street and West Locust Street Intersection in Davenport
• July 2008, Road Safety Audit Report for US 61 from the ECL of Muscatine to the WCL of Davenport

seat belt

• December 2003, Evaluation of Racial Differences in Seat Belt and Child Restraint Use: A Review of Current Literature

shoulders

• November 2007, Effectiveness of Paved Shoulders in Iowa
• August 2002, Traffic Control Strategies in Work Zones with Edge Drop-Offs
• June 2001, Paved Shoulders on Primary Highways in Iowa: An Analysis of Shoulder Surfacing Criteria, Costs, and Benefits

sign management

• March 2011, Asset Management and Safety: Roadway Lighting, Signing, and Pavement Marking Tools

signal

• June 2012, Evaluating the Effectiveness of the City of Des Moines LED Pedestrian Crossing Treatments
• August 2005, Safety Effectiveness of High-Speed Expressway Signals

signalized intersections

• June 2011, Evaluating the Effectiveness of Red Light Running Camera Enforcement in Cedar Rapids and Developing Guidelines for Selection and Use of Red Light Running Countermeasures

signs

• June 2012, Evaluating the Effectiveness of the City of Des Moines LED Pedestrian Crossing Treatments
• March 2011, Lane Departure Safety Countermeasures: Strategic Action Plan for the Iowa Department of Transportation
• October 2005, Guidelines for Removal of Traffic Control Devices in Rural Areas

simulation

• February 2010, Application of Visualization and Simulation Program to Improve Work Zone Safety and Mobility
• February 2010, Application of Visualization and Simulation Program to Improve Work Zone Safety and Mobility
• June 2008, Feasibility of Visualization and Simulation Applications to Improve Work Zone Safety and Mobility
• September 1999, Work Zone Simulation Model

slow moving vehicles

• November 2008, Improving Safety for Slow Moving Vehicles on Iowa's High Speed Rural Roadways

small communities

• August 2011, Applicability of Road Assessment Program Methods to Metropolitan Safety Planning
• August 2011, A Transportation Safety Planning Tool for the City of Ames

software

• December 2004, Crash Mapping Analysis Tool (CMAT)
• June 1997, Intersection Collision Diagram Software

software evaluation

• June 1997, Collision Diagram Software Evaluation

speed

• July 2011, Evaluation of Speed Activated Displays on Curves
• March 2011, Low-Cost Strategies to Reduce Speed and Crashes on Curves
• December 2007, Appropriate Traffic Calming Techniques for Small Iowa Communities (TR-523)
• September 1997, A Study on Speed Humps

speed enforcement cameras

• June 2011, Evaluating the Effectiveness of Red Light Running Camera Enforcement in Cedar Rapids and Developing Guidelines for Selection and Use of Red Light Running Countermeasures

speed humps

• December 2002, Temporary Speed Hump Impact Evaluation

speed limit

• September 2011, Evaluation of Electronic Speed Limit Signs for Unified Consolidated School on US 30, Eastbound and Westbound
• January 2009, Evaluation of 70 mph Speed Limit

speed reduction

• September 2011, Evaluation of Electronic Speed Limit Signs for Unified Consolidated School on US 30, Eastbound and Westbound
• December 2002, Temporary Speed Hump Impact Evaluation
• December 2000, Methods to Reduce Traffic Speed in High Pedestrian Areas
• February 2000, Evaluation of Work Zone Speed Reduction Measures

technology

• February 2001, Highway Maintenance Concept Vehicle, Phase III

temporary traffic control

• July 2007, Assessment of Channelizing Device Effectiveness on High Speed/High Volume Roadways

TraCS

• December 2009, Location Tool Support for TraCS Location Tool States

traffic

• December 2007, The Effectiveness of Iowa's Automated Red Light Running Enforcement Programs (RLR, Phase 2)
• June 2007, Synthesis of Practices for Mitigating the Impact of Work Zones on Traffic
• January 2006, Synthesis of Procedures to Forecast and Monitor Work Zone Safety and Mobility Impacts
• June 2005, One- to Two-Way Roadway Conversions
• December 2002, Work Zone Speed Advisory System--Midwest States Smart Work Zone Deployment Initiative: Year 4
• December 2000, Methods to Reduce Traffic Speed in High Pedestrian Areas
• December 2000, Traffic Safety & Engineering Informational Series
• July 1999, Traffic Management Strategies for Merge Areas in Rural Interstate Work Zones

traffic calming

• September 2011, Evaluation of Electronic Speed Limit Signs for Unified Consolidated School on US 30, Eastbound and Westbound
• January 2009, Synthesis of Traffic Calming Techniques in Work Zones
• December 2007, Appropriate Traffic Calming Techniques for Small Iowa Communities (TR-523)

traffic control

• October 2011, Risk Mitigation Strategies for Operations and Maintenance Activities
• June 2008, Impact of Some Site-Specific Characteristics on the Success of the Signalization of High-Speed Intersections
• May 2008, Median Intersection Design for Rural High-Speed Divided Highway
• August 2007, Temporary Traffic Control and Enforcement of Traffic Laws in Closed Road Sections
• July 2007, Assessment of Channelizing Device Effectiveness on High Speed/High Volume Roadways
• October 2005, Guidelines for Removal of Traffic Control Devices in Rural Areas
• December 2002, Pedestrian Crossing Safety Technology Assessment
• August 2002, Traffic Control Strategies in Work Zones with Edge Drop-Offs
• April 2001, Iowa Guide and Reference Manual for Traffic Control Devices and Pavement Markings (TR-441)

traffic safety

• September 2011, Evaluation of Electronic Speed Limit Signs for Unified Consolidated School on US 30, Eastbound and Westbound
• March 2011, Low-Cost Strategies to Reduce Speed and Crashes on Curves
• October 2010, Improving Traffic Safety Culture in Iowa
• June 2010, Iowa Traffic Safety Data Service
• January 2010, Iowa's Traffic Safety Analysis Manual
• September 2007, Evaluation of Iowa's Graduated Driver's Licensing Program
• November 2006, Using Digital Video Analysis to Monitor Driver Behavior at Intersections

traffic signal

• August 2005, Best Practices and Recommended Strategies for Shared Left Turn Lanes at Signal Control Approaches
• February 2004, Effectiveness of All-Red Clearance Time on Intersection Accidents and Violation Trends
• December 2000, Traffic Signal Inventory Project
• June 2000, Evaluation of Automated Enforcement of Traffic Signal Violations in Iowa

travel time

• October 2007, Improving Transportation for Large Scale Events Within the State of Iowa

truck

• January 2009, Investigating Factors Contributing to Large Truck Lane Departure Crashes Using the Federal Motor Carrier Safety Administration's Large Truck Crash Causation Study (LTCCS) Database
• February 2001, Highway Maintenance Concept Vehicle, Phase III

two-way left-turn

• June 2005, Four-Lane to Three-Lane Analysis
• June 2001, Guidelines for the Conversion of 4-lane Undivided Roadways to 3-lane 2-way Left-turn Lane Facilities

Union County

• October 2008, Road Safety Audit for Union County IA 25 from the WCL of Creston to North H-24 Intersection

urban

• November 2008, Clear Zone - A Synthesis of Practice and an Evaluation of the Benefits of Meeting the 10 ft Clear Zone Goal on Urban Streets

variable message sign

• September 2011, Evaluation of Electronic Speed Limit Signs for Unified Consolidated School on US 30, Eastbound and Westbound
• December 2008, Effectiveness of Dynamic Messaging on Driver Behavior for Late Merge Lane Road Closures
• December 2000, Methods to Reduce Traffic Speed in High Pedestrian Areas

video analysis

• November 2006, Using Digital Video Analysis to Monitor Driver Behavior at Intersections

virtual reality

• June 2008, Feasibility of Visualization and Simulation Applications to Improve Work Zone Safety and Mobility

visibility

• October 2002, Synthesis of Best Practices for Increasing Protection and Visibility of Highway Maintenance Vehicles and Workers (TR-475)
• December 2001, Fluorescent Yellow-green Backing/border for Work Zone Signs--Midwest States Smart Work Zone Deployment Initiative Year 3:

ViSSIM micro-simulation software

• January 2011, The J-Turn Intersection for Rural Expressways: Computer Simulation and Conflict Analysis

Washington County, Iowa

• June 2009, Road Safety Audit for County Road W-55 in Washington County, Iowa

weather

• December 2005, Winter Weather Crash Trends on Iowa Primary Roads
• October 2002, Synthesis of Best Practices for Increasing Protection and Visibility of Highway Maintenance Vehicles and Workers (TR-475)
• February 2001, Highway Maintenance Concept Vehicle, Phase III
• May 2000, Mobility and Safety Impacts of Winter Storm Events in a Freeway Environment (TR-426)

weather data

• February 2001, Highway Maintenance Concept Vehicle, Phase III

weather safety planning

• August 2011, Safety and Mobility Impacts of Winter Weather - Phase I

winter

• December 2005, Winter Weather Crash Trends on Iowa Primary Roads
• June 2005, Investigation of User Costs and Benefits of Winter Road Closures
• February 2001, Highway Maintenance Concept Vehicle, Phase III
• May 2000, Mobility and Safety Impacts of Winter Storm Events in a Freeway Environment (TR-426)

winter operations

• August 2011, Safety and Mobility Impacts of Winter Weather - Phase I

winter road crashes

• August 2011, Safety and Mobility Impacts of Winter Weather - Phase I

winter weather

• August 2011, Safety and Mobility Impacts of Winter Weather - Phase I

work zone

• February 2010, Application of Visualization and Simulation Program to Improve Work Zone Safety and Mobility
• February 2010, Application of Visualization and Simulation Program to Improve Work Zone Safety and Mobility
• December 2009, 2009 Smart Work Zone
• December 2009, Evaluating the Effectiveness of Temporary Work Zone Pavement Marking Products
• June 2009, Construction Project Administration and Management for Mitigating Work Zone Accidents and Fatalities: An Integrated Risk Management Model
• January 2009, Synthesis of Traffic Calming Techniques in Work Zones
• December 2008, Effectiveness of Dynamic Messaging on Driver Behavior for Late Merge Lane Road Closures
• June 2008, Feasibility of Visualization and Simulation Applications to Improve Work Zone Safety and Mobility
• December 2007, Asset Management Strategies to Mitigate Freeway Work Zone Congestion
• December 2007, Updated Rule on Safety and Mobility
• August 2007, Temporary Traffic Control and Enforcement of Traffic Laws in Closed Road Sections
• July 2007, Work Zone Forecasting Service
• July 2007, Assessment of Channelizing Device Effectiveness on High Speed/High Volume Roadways
• June 2007, Synthesis of Practices for Mitigating the Impact of Work Zones on Traffic
• June 2007, Prefabricated Elements Case Study
• January 2006, Synthesis of Procedures to Forecast and Monitor Work Zone Safety and Mobility Impacts
• December 2005, Smart Work Zone Deployment Initiative
• December 2002, Effectiveness of Extra Enforcement in Construction and Maintenance Work Zones--Midwest States Smart Work Zone Deployment Initiative: Year 4
• December 2002, Work Zone Speed Advisory System--Midwest States Smart Work Zone Deployment Initiative: Year 4
• August 2002, Traffic Control Strategies in Work Zones with Edge Drop-Offs
• December 2001, Fluorescent Yellow-green Backing/border for Work Zone Signs--Midwest States Smart Work Zone Deployment Initiative Year 3:
• February 2000, Evaluation of Work Zone Speed Reduction Measures
• September 1999, Work Zone Simulation Model
• July 1999, Traffic Management Strategies for Merge Areas in Rural Interstate Work Zones

work-zone safety

• October 2011, Risk Mitigation Strategies for Operations and Maintenance Activities