Research Projects by Keyword
3D imaging
- Development of Object-Oriented Specifications for Iowa DOT and Urban Standards
- Improving Efficiency of Transportation Projects Using Laser Scanning
- Visualization and Simulation Applications to Improve Work Zone Safety and Mobility
abutments
- Development of an Improved integral Abutment-to-Approach Slab Connection
- Field Testing of Integral Abutments HR-399
- Identification of the Best Practices for the Design, Construction, and Repair of Bridge Approach Sections
- Integral Abutment Bridge with Precast Concrete Piles (TR-438)
- Modified Sheet Pile Abutments for Low Volume Bridges (TR-568)
accelerated construction
- Evaluation of a Bridge Constructed Using Accelerated Construction Practices
- Feasibility Investigation of Segmentally Precast Bridge Piers for Accelerated Construction
- Laboratory and Field Testing and Evaluation of Precast Bridge Elements
access management
- Access and Corridor Management Support Program for Iowa, Phase I
- Access Management at Major Intersections
- Access Management Awareness
- Access Management Phase III
- Access Management Phase IV
- Access Management Plan for Des Moines MPO
- Corridor Management, Phase I
- Development of a Comprehensive Access Management
- Iowa Access Management Awareness
- Process to Identify High Priority Corridors for Access Management Near Large Urban Areas in Iowa
- Use of Remote Sensing to Identify Access Elements
- Use of Remotely Sensed Data for Infrastructure
accident location and analysis
- Accident Location Analysis System (ALAS)
- Development of GIS Accident Location and Analysis Systems (GIS-ALAS) Phase 1
- Geographic Information System-Based Accident
- Road Safety Audit for US 52 in Dubuque County from IA 136 to the NCL of Dubuque
- Secondary Accident Data Fusion for Assessing Long-Term Performance of Transportation Systems
aerial photogrammetry
aggregate
- Cost Comparison of Treatments Used to Maintain or Upgrade Aggregate Roads
- Evaluation of Fine Aggregate Characteristics Tests and Their Relationship to HMA Performance
- Laboratory Investigation into the Effects of Aggregate-Related Factors of Critical VMA in Asphalt Paving Mixtures TR-415
- Pilot Study to Investigate the Use of Aggregate Screenings in Roadway Construction
aggregate piers
air pollution control
air quality
air void analyzer
alternative fuel
as-built survey
asphalt cement concrete
- Evaluation of Hot Mix Asphalt Moisture Sensitivity
- Evaluation of Hot Mix Asphalt Moisture Sensitivity, Phase II
- Evaluation of Lignin Derived from Agricultural Co-products as an Antioxidant in Asphalt
- Evaluation of Long Term Field Performance of Cold In-Place Recycled Roads
- Evaluation of Unbonded Ultrathin Whitetopping of Brick Streets TR-466
- Investigation of Electromagnetic Gauges for Determination of In-Place Density of HMA Pavements TR-547
- Laboratory Investigation into the Effects of Aggregate-Related Factors of Critical VMA in Asphalt Paving Mixtures TR-415
- Predicting Critical VMA in Hot Mix Asphalt Phase II
- Response of Iowa Pavements to Heavy Agricultural Loads HR-1075
- Testing Iowa Asphalt Mixtures for the AASHTO Mechanistic-Empirical Pavement Design Procedure
asphalt pavement
asset management
- Application of Advanced Remote Sensing/Asset Management
- Improving Efficiency of Transportation Projects Using Laser Scanning
- Integrated Systems Approach to the Development of Winter Maintenance / Management Systems
- Integration of Asset Management Systems with Load and Resistance Factor Design
- Iowa Pavement Marking and Sign Management System
- Remote Health Monitoring for Asset Management
- Roadway Alignments as Assets
- Synthesis of Procedures to Forecast and Monitor Work Zone Safety
- Use of Functional Silos to Optimize Agency Decision Making
automated
- Advantage I-75
- AMASCOT
- Assessment of an Integrated Approach
- Automated Data Acquisition of Roadside Features
- Evaluation of Automated Enforcement of Traffic Signal Violations in Iowa
- Feasibility of Using Automated Distress Data
- HWYNEEDS: Methodology, Analysis and Evaluation TR-433
- Midwest Multi-state One-Stop
- Planning, Implementation, and Operation of the IPMP, Phase VI: Proposal to develop the Implementation and Operation of the IPMP
automated enforcement
automatic vehicle location (AVL)
base characteristics
berm
best practices
bicycle
biodiesel
- Evaluation of On-Road and Laboratory Engine Dynanometer Emission Tests to Compare the Emission Reduction Potential of Different Biodiesel Blends
- Managing Early Adoption of Biodiesel by Commercial Fleets
blended cement
bridge approach
- Development of an Improved integral Abutment-to-Approach Slab Connection
- Identification of the Best Practices for the Design, Construction, and Repair of Bridge Approach Sections
- Instrumentation of Precast, Post-tensioned Bridge Approach Pavement
bridge decks
- Bridge Deck Integrity Measurements for Asset Management
- Development and Implementation of Design Recommendations
- Evaluation of a Single-Span Steel-Girder Bridge Tama County Bridge
- Evaluation of Corrosion Resistant Steel Reinforcing in the Deck Slab of a Three Span Prestressed Girder Bridge
- Impact of Deck Cracking on Durability TR-405 (Phase 1)
- Impact of Deck Cracking Phase II, TR-405
bridge design
- Development of LRFD Design Procedures for Bridge Piles in Iowa, TR-573
- Establishing a Dynamic Formula for Pile Design and Construction Control of Pile Driving
- Evaluation of the 24th Street Bridge Interstate 80/29, Council Bluffs, Iowa
- Field Testing of Railroad Flat Car Bridges
bridge management system
- Essential Parameters for an Iowa Bridge Management System
- PONTIS Implementation and Operation, Phase 5
- PONTIS Implementation and Operation: Iowa DOT and Counties
- PONTIS Phase II
- PONTIS, Implementation and Operation: Phase III
- PONTIS, Phase 4
bridge piers
bridge piles
- Development of LRFD Design Procedures for Bridge Piles in Iowa, TR-573
- Establishing a Dynamic Formula for Pile Design and Construction Control of Pile Driving
- Use of Ultra-High Performance Concrete in Geotechnical and Substructure Applications
bridge rating
bridge substructure
- Investigation of Steel Stringer Bridges
- Modified Sheet Pile Abutments for Low Volume Bridges (TR-568)
bridge superstructure
bridges
- Automated Bridge De-icing Pilot Project
- Bridge Construction Practices Using Incremental Launching, NCHRP Project 20-07/Task 229
- Bridge Vulnerability Assessment and Mitigation Against Explosions
- Development of Acceptable Live Load Deflection Criteria
- Development of Bridge Load Testing for Load Evaluation TR-445
- Development of LRFD Design Procedures for Bridge Piles in Iowa, TR-573
- Evaluation of a Bridge Constructed Using Accelerated Construction Practices
- Evaluation of a Bridge Constructed with Ultra High Performance Concrete
- Evaluation of a Post-tension Strengthened Steel Girder Bridge
- Evaluation of a Timber Bridge for the Secondary Road System Using FRP Reinforced Glulam Girders
- Evaluation of I-80 Alum Bridge
- Evaluation of the 24th Street Bridge Interstate 80/29, Council Bluffs, Iowa
- Evaluation of the Effectiveness of Glued Laminated Helper Stringers
- Field Evaluation of Timber Preservation Treatments
- Field Testing of Integral Abutments HR-399
- Implementation and Evaluation of Smart Timber Bridge Concepts to Provide Continuous Structural Condition Assessment
- Integral Abutment Bridge with Precast Concrete Piles (TR-438)
- Laboratory and Field Testing and Evaluation of Precast Bridge Elements
- Madison County Bridge Evaluation
- Modified Sheet Pile Abutments for Low Volume Bridges (TR-568)
- Monitoring and Evaluation of the Westbound Roadway
- Performance Evaluation of Steel Bridges: Phase II
- Preventing Cracking
- Remote Health Monitoring for Asset Management
- Retrofit Methods of Distortion Cracking Problems in Plate Girder Bridges TR436
- Short-Term Monitoring of the Saylorville Reservoir Bridge for Wind-Induced Vibrations with Remote, Cellular-Based Notification
- Steel Diaphragms in Prestressed Concrete Girder Bridges TR-424
- Testing and Long-Term Monitoring of 9th Street Bridge Over I-235 in Des Moines
business
- Highway Maintenance Concept Vehicle: A Business Case
- Public Sector Participation in Local Rail Service Projects
business vitality
bypass
- Development of a Comprehensive Framework for Managing Decisions Regarding Highway Bypasses
- Evaluation of FRP Temporary Bypass Bridge
- GIS Traffic Planning Tools
CAD
- Development of Object-Oriented Specifications for Iowa DOT and Urban Standards
- Improving Efficiency of Transportation Projects Using Laser Scanning
calorimetry
- Simple and Rapid Test for Monitoring the Heat Evolution Calorimetry, Phase 2
- Simple and Rapid Test for Monitoring the Heat Evolution Phase I
cantilever test
capital improvement
cementitious materials
child restraint
collisions
commercial vehicle operations (CVO)
- Advantage I-75
- AMASCOT
- Changing Role of Freight Transportation Modes
- Commercial Vehicle Parking
- Economic Regulation of Intrastate Trucking
- Institutional Barriers and Opportunities for IVHS
- Intelligent Transportation Systems (ITS) and Commercial Vehicle Operations (CVO)
- Loading and Unloading Practices Related to Lumping
- Midwest ITS/CVO Mainstreaming
- Midwest Multi-state One-Stop
- National Governors' Association Study
- On-Board Automated Mileage and Stateline Crossing System
- Policy Issues of an Iowa Longer Combination Vehicle Network
- Weigh-in-Motion
commercial vehicles
- Advantage I-75
- AMASCOT
- Changing Role of Freight Transportation Modes
- Economic Regulation of Intrastate Trucking
- Efficient Distribution of Grain
- Intelligent Transportation Systems (ITS) and Commercial Vehicle Operations (CVO)
- Loading and Unloading Practices Related to Lumping
- Managing Early Adoption of Biodiesel by Commercial Fleets
- Midwest ITS/CVO Mainstreaming
- Midwest Multi-state One-Stop
- National Governors' Association Study
- Policy Issues of an Iowa Longer Combination Vehicle Network
- Weigh-in-Motion
communication
- Communicating Highway Safety: What Works
- Proceedings of the State of Iowa Tribal Summit
- State Traffic Safety Engineers List
- Traffic Safety & Engineering Informational Series
- Update of "Roundabouts: An Informational Guide"
commute
- Alternative Approaches to Providing Passenger Transportation
- Employment and Commuting by Rural Women
commuter routes
compaction
- Evaluation of Intelligent Compaction Systems
- Field Eval of Compaction Monitoring Technology
- Field Evaluation of Compaction Monitoring Phase 2
- Field Validation of Intelligent Compaction Monitoring Technology for Unbound Materials and HMA
computer-aided
- Computer-Aided Decision Support
- GIS-Based Travel Demand Modeling System
- Microcomputer Transportation Planning Models
concrete
- Construction and Evaluation of a Prestressed Concrete Bridge
- Evaluation of a Prestressed Concrete Bridge Constructed using Ultra High-performance Concrete
- Evaluation of a Three-Span, Prestressed Concrete Girder Bridge Constructed with FRP Components
- Impact to Concrete Pavement Smoothness
- International Workshop on Sustainable Development and Concrete Technology
- Iowa's Pervious Pavement
- Material and Construction Optimization for Prevention of Premature Pavement Distress in PCC Pavements, Phase 3
- Material Thermal Input for Iowa Materials for the Mechanistic-Empirical Pavement Design Guide
- National Training for Integrating Materials and Construction Practices in Concrete Pavements
- Performance Evaluation of Concrete Pavement Granular Subbase (TR-554)
- Simple and Rapid Test for Monitoring the Heat Evolution Calorimetry, Phase 2
- Simple and Rapid Test for Monitoring the Heat Evolution of Concrete Mixtures, Phase 3
- Simple and Rapid Test for Monitoring the Heat Evolution Phase I
- Southeast Michigan Local Road Concrete Road
- Technology Transfer Concrete Consortium
- Testing Iowa Portland Cement Concrete Mixtures for the Mechanistic-Empirical Pavement Design Guide
concrete mix design
- Development of Performance Properties of Ternary Mixtures: Laboratory Study on Concrete
- Effect of Admixtures on Roller-Compacted Concrete Mixes
- Simple and Rapid Test for Monitoring the Heat Evolution of Concrete Mixtures, Phase 3
- Testing Iowa Portland Cement Concrete Mixtures for the Mechanistic-Empirical Pavement Design Guide
concrete mixtures
concrete pavement thickness
concrete pavements
- Concrete Pavement Surface Characteristics, Part 2
- CP Road Map Administrative Support, Task 2
- Implementation of Concrete Pavement Preservation and PCC Surface Characteristics: Tire Pavement Noise Program
- Laboratory Study of Structural Behavior of Alternative Dowel Bars
- Simple and Rapid Test for Monitoring the Heat Evolution of Concrete Mixtures, Phase 3
- Testing Iowa Portland Cement Concrete Mixtures for the Mechanistic-Empirical Pavement Design Guide
condition monitoring
congestion
- Asset Management Strategies to Mitigate Freeway Work Zone Congestion
- Congestion Mgmt
- Synthesis of Procedures to Forecast and Monitor Work Zone Safety
- Trucks and Twin Cities Traffic Management
- Work Zone Speed Advisory System
construction
- Bridge Construction Practices Using Incremental Launching, NCHRP Project 20-07/Task 229
- Construction and Evaluation of a Prestressed Concrete Bridge
- Construction Project Administration and Management for Mitigating Work Zone Accidents and Fatalities
- Developing an Effective Construction Training Program for Hispanic Supervisors
- Developing an Effective Construction Training Program for Hispanic Supervisors and Craft Workers
- Developing an Effective Construction Training Program for Hispanic Supervisors and Craft Workers, Phase 4
- Developing an Effective Construction Training Program for Hispanic Supervisors and Craft Workers--Phase 3
- Effectiveness of Extra Enforcement in Construction and Maintenance Work Zones
- Embankment Quality Phase 1, TR-401
- Evaluation of a Bridge Constructed Using Accelerated Construction Practices
- Field Demonstration Project: Reclaimed Fly Ash as Select Fill Under P.C.C. Pavements TR 425
- Geotechnical Solutions For Soil Improvement, Rapid Embankment Construction, and Stabilization of the Pavement Working Platform
- Identification of Practices, Design, Construction, and Repair Using Trenchless Technology (TR-570)
- Identification of the Best Practices for the Design, Construction, and Repair of Bridge Approach Sections
- Material and Construction Optimization for Prevention of Premature Pavement Distress in PCC Pavements, Phase 3
- Monitoring and Evaluation of the Westbound Roadway
- National Training for Integrating Materials and Construction Practices in Concrete Pavements
- Pilot Study to Investigate the Use of Aggregate Screenings in Roadway Construction
- Prefabricated Elements Case Study
- Soil Stabilization of Non-Uniform Subgrade Soils TR461
- Traffic Control Strategies in Work Zones with Edge Drop-Offs
- Two Lift Concrete Pavements to Meet Public Needs
- Visualization and Simulation Applications to Improve Work Zone Safety and Mobility
construction materials and methods / asset management
- Cost Comparison of Treatments Used to Maintain or Upgrade Aggregate Roads
- Determination of the Optimum Base Characteristics for Pavements
- Embankment Quality Phase 3, TR-401
- Evaluation of Long Term Field Performance of Cold In-Place Recycled Roads
- International Workshop on Sustainable Development and Concrete Technology
- Manual of Practice for Roadway Maintenance Workers TR-514
- Thin Maintenance Surfaces
- Thin Maintenance Surfaces, Phase 3
contracts and project management
corridor
- Road Safety Audit for US 52 in Dubuque County from IA 136 to the NCL of Dubuque
- Synthesis Study: Effectiveness of Safety Corridor Programs in Region 7 States
corridor management
- Access and Corridor Management Support Program for Iowa, Phase I
- Corridor Management, Phase I
- I-90 Corridor Study
- Road Safety Audit for US 52 in Dubuque County from IA 136 to the NCL of Dubuque
cost comparison
cost/benefit analysis
- Alternative investments in the Rural Branch Railroad
- Effectiveness of Roadway Safety Improvements
- National Governors' Association Study
- Safety and Highway Investment
Council Bluffs, Iowa
county engineer
county road
crack and seat
cracking
- Impact of Deck Cracking on Durability TR-405 (Phase 1)
- Impact of Deck Cracking Phase II, TR-405
- Preventing Cracking
- Retrofit Methods of Distortion Cracking Problems in Plate Girder Bridges TR436
crash analysis
- Access Management Plan for Des Moines MPO
- Assessing the Spatial and Temporal Differences in Midwestern Crashes Relative to National Data: Implications for Public Policy Decisions
- Crash Mapping Analysis Tool (CMAT) Traffic and Criminal Software Interface Framework
- Crash Mapping Analysis Tool for Minnesota DOT
- Effectiveness of All-Red Clearance Time on Intersection Accidents and Violation Trends
- Enhancements to the Iowa DOT Crash Mapping Analysis Tool (CMAT) Software
- Evaluation of Rumble Strips on Low-Volume Rural Roads in Iowa
- Geospatial safety analysis for highway curves and resurfacing projects
- GIS-ALAS TraCS Conversion Software
- Handbook of Simplified Practice for Traffic Studies TR 455
- Incident Location Tool Support for Florida State University
- Incident Location Tool Support for SD DOT
- Incident Mapping and Analysis Tool (IMAT)
- Integration of Existing and Identification
- Rural Expressway Intersection Synthesis of Practice and Crash Analysis
- Safety Analysis of Low Volume Rural Roads in Iowa
- Software Enhancements for the Crash Mapping and Analysis Tool
- Spatial Scale of Clustering of Motor Vehicle Crash Types and Appropriate Countermeasures
- US Road Assessment Program
- Winter Weather Crash Trends on Iowa Primary Roads
crash data
- Crash Mapping Analysis Tool (CMAT) Traffic and Criminal Software Interface Framework
- Crash Outcome
- Crash Record Validation Study
- Development of a GIS-Based Crash Location Tool, Phase 2
- Effectiveness of Roadway Safety Improvements
- Evaluation Framework for the Creation and Analysis of Integrated Spatially-referenced Driver-Crash Databases
- Incident Location Tool (ILT)
- Iowa Traffice Safety Data Service (ITSDS)
- Pavement Markings and Safety
- Use of Remote Sensing to Identify Access Elements
crash location
- Development of a GIS-based Intelligent Crash Location Tool
- Effectiveness of Roadway Safety Improvements
- Geospatial safety analysis for highway curves and resurfacing projects
- GIS-ALAS TraCS Conversion Software
- Impact of Some Site-Specific Characteristics on the Success of the Signalization of High-Speed Intersections
- Low-Cost Strategies to Reduce Speed and Crashes on Curves
- Systematic Identification of High Crash Locations, TR-442
- US Road Assessment Program
- Use of Remote Sensing to Identify Access Elements
crosswalk
damage
data
- Assessment of an Integrated Approach
- Aurora--RWIS Telecommunications Issues and Options
- Automated Data Acquisition of Roadside Features
- Comparison of LIDAR and Conventional Mapping Methods for Highway Corridor Studies
- Coordination of Data Elements
- Coordination of Data Elements to support ISTEA Management Systems
- Development of GIS Accident Location and Analysis Systems (GIS-ALAS) Phase 1
- Development of Training Materials for Federal Data Workbooks
- Emergency Response Information System
- Feasibility of Using Automated Distress Data
- GPS to LRM: Integration of Spatial Point
- HWYNEEDS: Methodology, Analysis and Evaluation TR-433
- Improved Employment Data For Transportation Planning
- Improving Efficiency of Transportation Projects Using Laser Scanning
- Integration of Existing and Identification
- Integration of Road Weather Information with Traffic Data
- Needs Assessment: Traffic Data Storage, Processing, and Dissemination
- Planning, Implementation, and Operation of the IPMP, Phase VI: Proposal to develop the Implementation and Operation of the IPMP
- Safety Data Improvement
- Statistical Analysis of Highway Needs Condition Data: Manual vs Automated
- Use of Remotely Sensed Data for Infrastructure
- Weatherview: XML Data Structure & Maintenance
data analysis
- Crash Record Validation Study
- Development of Analytical Tools to Evaluate Road Departure Crashes Using Naturalistic Driving Study Data
- Non-destructive Evaluation of Iowa Pavements, Phase 2
- Secondary Accident Data Fusion for Assessing Long-Term Performance of Transportation Systems
data collection
- Automated Pavement Condition Data:
- Iowa Event Operations
- Traffic Data Collection
- Traffic Monitoring Program Planning with Remote Sensing
- Traffic Monitoring Program Plannning with Remote Sensing
database
- Coordination of Data Elements to support ISTEA Management Systems
- Crash Record Validation Study
- Emergency Response Information System
- Evaluation Framework for the Creation and Analysis of Integrated Spatially-referenced Driver-Crash Databases
- Geospatial safety analysis for highway curves and resurfacing projects
- Planning, Implementation, and Operation of the IPMP, Phase VI: Proposal to develop the Implementation and Operation of the IPMP
decision support
decision-making
- Cooperative Intersection Collision Avoidance System Benefit/Cost Analysis
- Deploying the Maintenance Decision Support System (MDSS) in Iowa
- Evaluation of Weather Services
- Investigation of Business Opportinities in Mexico
- Use of Functional Silos to Optimize Agency Decision Making
deicing
- Automated Bridge De-icing Pilot Project
- Development of an Improved Agriculturally Based Deicing Product
- Evaluation of Using Non-Corrosive Deicing Materials and Corrosion Reducing Treatments for Deicing Salts
density
Des Moines, Iowa
design
- Assessment of Iowa Climatic Data and Its Integration into the AASHTO Mechanistic-Empirical
- Characterization of Unbound Materials (Soils/Aggregates) for Mechanistic-Empirical Pavement Design Guide
- Clear Zone: A Synthesis of Practice and Benefits of Meeting the Ten-Foot Clear Zone Goal
- Construction and Evaluation of a Prestressed Concrete Bridge
- Design and Construction Procedures for Concrete Overlay and Widening of Existing Pavements
- Design Guide and Construction Specifications for NPDES Site Runoff Control
- Design Guide for Improved Quality of Roadway Subgrades and Subbases (TR-525)
- Developing a Rural and Urban Roadway Lighting Practical Design Guide for Iowa
- Development of Fatigue Design Procedures for Slender, Tapered Support Structures for Highway Signs, Luminaries, and Traffic Signals
- Development of Object-Oriented Specifications for Iowa DOT and Urban Standards
- Dynamic Simulation Methods
- Effective Shoulder Design and Maintenance (TR-531)
- Existing Pavement Input Information for the Mechanistic-Empirical Pavement Design Guide
- Field Testing of Integral Abutments HR-399
- Implementing the Mechanistic-Empirical Pavement Design Guide (TR-509)
- Performance Evaluation of Rubblized Pavements in Iowa
- Roadway Design Standards for Rural and Suburban Subdivisions TR-549
- Testing Iowa Asphalt Mixtures for the AASHTO Mechanistic-Empirical Pavement Design Procedure
deterioration
- Determine Initial Cause for Current Premature PCC Pavement Deterioration (TR-406)
- Development and Implementation of Design Recommendations
- Evaluation of a Post-tension Strengthened Steel Girder Bridge
- Evaluation of Corrosion Resistant Steel Reinforcing in the Deck Slab of a Three Span Prestressed Girder Bridge
detours
diaphragms
diesel
disabled
disaster relief
dispatching
distress
- In Situ Detection Methods for MRD
- In-Situ Detection Methods for Material Related Distress (MRD) in Concrete Pavements
- Material and Construction Optimization for Prevention of Premature Pavement Distress in PCC Pavements, Phase 3
- Southeast Michigan Local Road Concrete Road
distribution
dowel bar
- Dowel Bar Optimization: Phases I and II
- Evaluation of Elliptical Steel Dowel Performance
- Field Evaluation of Elliptical Fiber Reinforced Polymer Dowel Performance (Proj. 5)
- Laboratory Study of Structural Behavior of Alternative Dowel Bars
- Synthesis of Dowel Bar Research HR1080
dowel baskets
drainage
- Determination of the Optimum Base Characteristics for Pavements
- Effective Shoulder Design and Maintenance (TR-531)
- Iowa Drainage Law Manual (TR-497)
- Iowa's Pervious Pavement
driver behavior
- Evaluation Framework for the Creation and Analysis of Integrated Spatially-referenced Driver-Crash Databases
- Evaluation of Iowas Graduated Drivers Licensing Program
- Using Digital Video Analysis to Monitor Driver Behavior at Intersections
driving performance
- Interacting Vehicles and Roadways with Elderly Drivers
- Potential of Steering Wheel Information
- Using Digital Video Analysis to Monitor Driver Behavior at Intersections
- Validation of Relationship of Cognitive Skills Losses
durability
- Attributes of Good In-Service Concrete Pavements
- Impact of Deck Cracking on Durability TR-405 (Phase 1)
- Impact of Deck Cracking Phase II, TR-405
- Investigation into Freezing-Thawing Durability of Low Permeability Concrete with and without Air Entraining Agent
- Southeast Michigan Local Road Concrete Road
early-age behavior
earthwork construction
- Embankment Quality Phase 4: Application to Unsuitable Soils
- Field Validation of Intelligent Compaction Monitoring Technology for Unbound Materials and HMA
- Optimization and Management of Materials in Earthwork Construction
economic
- Clinton/Fulton Multimodal Bridge Study Economic Analysis
- Economic Analysis of Scenic Byways
- Economic Investigation into Railroad Pricing and Car Allocation Programs
- Economic Regulation of Intrastate Trucking
- Economic, Operating, and Infrastructure Impacts
- Food Product Demand Mapping
- Iowa Produce Market Potential Calculator
- Public Sector Participation in Local Rail Service Projects
- Road Investment to Foster Local Economic Development
- Roadway Alignments as Assets
- Transit-Related Joint Development for Economic Growth
- Transportation and Iowa's Economic Future
economic analysis
- Alternative investments in the Rural Branch Railroad
- Economic Analysis of Scenic Byways
- Economic Impact of Rural Highway Bypasses
- Economic Investigation into Railroad Pricing and Car Allocation Programs
- Efficient Distribution of Grain
- Employment and Commuting by Rural Women
- Environmental Justice & Transportation Investment Policy
- Implementation of HERS-ST in Iowa and Development /refinement of a National Training Program
- Policy Issues of an Iowa Longer Combination Vehicle Network
- Public Sector Participation in Local Rail Service Projects
- Road Investment to Foster Local Economic Development
economic development
- Investigation of the Impact of Rural Develoment on Secondary Road Systems TR-548
- Public Sector Participation in Local Rail Service Projects
- Road Investment to Foster Local Economic Development
economic impact
economy
- State Short Line Railroads
- Transit-Related Joint Development for Economic Growth
- Transportation and Iowa's Economic Future
edge drop-off
elderly
- Interacting Vehicles and Roadways with Elderly Drivers
- Need for Transportation Alternatives
- Strategies for Improving the Safety of Elderly Drivers
- Transportation of Rural Elders and Access to Health Care
elderly drivers
- Assessing the Independence, Mobility and Safety
- Impact of Left-Turn Phasing on Older and Younger Drivers at High-Speed Signalized Intersections
- Interacting Vehicles and Roadways with Elderly Drivers
- Need for Transportation Alternatives
- Strategies for Improving the Safety of Elderly Drivers
electronic credentials
- Advantage I-75
- AMASCOT
- Midwest Multi-state One-Stop
- On-Board Automated Mileage and Stateline Crossing System
- Weigh-in-Motion
elliptical steel dowel
embankments
- Embankment Quality Phase 1, TR-401
- Embankment Quality Phase 2, TR-401
- Embankment Quality Phase 3, TR-401
- Embankment Quality Phase 4: Application to Unsuitable Soils
- Geotechnical Solutions For Soil Improvement, Rapid Embankment Construction, and Stabilization of the Pavement Working Platform
- Measurements of Seasonal Changes and Spatial Variation in Pavement Subgrade Support Properties
- Review of Stability Berm Alternatives for Environmentally Sensitive Areas
emergency
emission
- Emission Control in Diesel Engines
- Evaluating Speed Differences between Passenger Vehicles and Heavy Trucks
emissions
energy
enforcement
- Advantage I-75
- AMASCOT
- Effectiveness of Extra Enforcement in Construction and Maintenance Work Zones
- Evaluation of Automated Enforcement of Traffic Signal Violations in Iowa
- Midwest Multi-state One-Stop
- Synthesis Study: Effectiveness of Safety Corridor Programs in Region 7 States
- Weigh-in-Motion
environment
- Alternatives to Truck Engine Idling
- Bridge Construction Practices Using Incremental Launching, NCHRP Project 20-07/Task 229
- Environmental Justice & Transportation Investment Policy
- Greenhouse Gas Action Plan
- Review of Stability Berm Alternatives for Environmentally Sensitive Areas
environmental impact
expressway
- Management of Rural Expressways for Improved Safety and Operational Performance
- Rural Expressway Intersection Synthesis of Practice and Crash Analysis
- Safety Effectiveness of High-Speed Expressway Signals
fiber composites
field performance
fleet operations
- Decision Support System for Optimal Depot and Fleet Management
- Investigation into the Development and Adoption of Technologies, Policies, and Methods for Improving Fleet Fuel Performance
fly ash
- Development of Performance Properties of Ternary Mixes, Phase I
- Field Demonstration Project: Reclaimed Fly Ash as Select Fill Under P.C.C. Pavements TR 425
- Performance Properties of Ternary Mixtures
- Properties of Blended Cements
- Soil Stabilization of Non-Uniform Subgrade Soils TR461
food distribution
freeze-thaw
- Improving Variability and Precision of AVA Test Results
- Investigation into Freezing-Thawing Durability of Low Permeability Concrete with and without Air Entraining Agent
- Mix Design Development for Pervious Concrete in Cold Weather Climates
freight
- Alternative investments in the Rural Branch Railroad
- AMASCOT
- Changing Role of Freight Transportation Modes
- Economic Investigation into Railroad Pricing and Car Allocation Programs
- Economic Regulation of Intrastate Trucking
- Efficient Distribution of Grain
- Impact of Increased Freight Traffic on Pavement Maintenance Costs
- Intelligent Transportation Systems (ITS) and Commercial Vehicle Operations (CVO)
- Loading and Unloading Practices Related to Lumping
- Midwest Multi-state One-Stop
- National Governors' Association Study
- State Short Line Railroads
friction
FRP materials
- Evaluation of a Post-tension Strengthened Steel Girder Bridge
- Evaluation of a Steel Girder Bridge
- Evaluation of a Three-Span, Prestressed Concrete Girder Bridge Constructed with FRP Components
- Evaluation of FRP Temporary Bypass Bridge
- Field Evaluation of Elliptical Fiber Reinforced Polymer Dowel Performance (Proj. 5)
fuel
- Investigation into the Development and Adoption of Technologies, Policies, and Methods for Improving Fleet Fuel Performance
- Investigation of Methodologies Used by Less-Than-Truckload (LTL) Motor Carriers to Determine Fuel Surcharges
geographic information system (GIS)
- Conducting Activities to Strengthen Statewide GIC Mechanisms
- Crash Mapping Analysis Tool (CMAT) Traffic and Criminal Software Interface Framework
- Development of a GIS-based Crash Location Tool Implementation and Agency Support
- Development of a GIS-based Intelligent Crash Location Tool
- Development of Applications for Interactive Tran Plan
- Development of GIS Accident Location and Analysis Systems (GIS-ALAS) Phase 1
- Emergency Response Information System
- Enhancements to the Incident Mapping and Analysis Tools (IMAT)
- Geographic Information System (GIS) Database
- Geographic Information System-Based Accident
- GIS 1996-1998
- GIS 1999
- GIS Technology Transfer of Transportation Modeling
- GIS-ALAS TraCS Conversion Software
- GIS-Based Travel Demand Modeling System
- Implementation of GIS at the Iowa Department of Transportation
- Incident Location Tool (ILT)
- Incident Location Tool Support for Florida State University
- Incident Mapping and Analysis Tool (IMAT)
- New Implementation of the Incident Location Tool
- Systematic Identification of High Crash Locations, TR-442
geomaterial applications
geosynthetic reinforcement
geotechnical
- Embankment Quality Phase 4: Application to Unsuitable Soils
- Use of Ultra-High Performance Concrete in Geotechnical
- Use of Ultra-High Performance Concrete in Geotechnical and Substructure Applications
global positioning system (GPS)
grain
health care
heat signature
- Simple and Rapid Test for Monitoring the Heat Evolution Calorimetry, Phase 2
- Simple and Rapid Test for Monitoring the Heat Evolution Phase I
high performance
highway
- Effective Shoulder Design and Maintenance (TR-531)
- Field Evaluation of Timber Preservation Treatments
highway bypass
highway noise
HIPERPAV
Hispanic
hispanic workforce integration
- Developing an Effective Construction Training Program for Hispanic Supervisors
- Developing an Effective Construction Training Program for Hispanic Supervisors and Craft Workers
- Developing an Effective Construction Training Program for Hispanic Supervisors and Craft Workers, Phase 4
- Developing an Effective Construction Training Program for Hispanic Supervisors and Craft Workers--Phase 3
historic preservation
hot mix asphalt
- Evaluation of Fine Aggregate Characteristics Tests and Their Relationship to HMA Performance
- Investigation of Electromagnetic Gauges for Determination of In-Place Density of HMA Pavements TR-547
human factors
I-235
implements of husbandry
- Impacts of Overweight Implements of Husbandry on Minnesota Roads and Bridges
- Response of Iowa Pavements to Heavy Agricultural Loads HR-1075
incident location tool
- Incident Location Tool (ILT)
- Incident Location Tool Support for Delaware State Police
- Incident Location Tool Support for Florida State University
- Incident Location Tool Support for Iowa DOT
- Incident Location Tool Support for SD DOT
- Location Tool Support for TraCS Location Tool States
- New Implementation of the Incident Location Tool
- Phone Support and Minor Development/Testing for States
information technology
- Advantage I-75
- AMASCOT
- Coordinated Paratransit in the Era of ADA
- Emergency Response Information System
- Evaluation of Information Technology
- Improving Interbus Transfer
- Institutional Barriers and Opportunities for IVHS
- Midwest Multi-state One-Stop
- National Governors' Association Study
- Weigh-in-Motion
infrastructure
inland water transportation
innovative contracting
innovative technologies
- Development of Object-Oriented Specifications for Iowa DOT and Urban Standards
- Field Eval of Compaction Monitoring Technology
- Field Evaluation of Compaction Monitoring Phase 2
- Improving Efficiency of Transportation Projects Using Laser Scanning
- Nondestructive Testing Technology for Quality Control and Acceptance of Flexible Pavement Construction
- Road Equipment Procurement
- Stringless Concrete Paving TR490
- Synthesis of Non-destructive Testing Technologies for Geomaterial Applications
- Technology Transfer of As Built and Prelimary Surveys by Total Station GPS, Video Logging, and Laser Scanning TR446
- Using Scanning Lasers for Real-Time Pavement Thickness Measurement-Phase I
inspection
institutional barriers
- Institutional Barriers and Opportunities for IVHS
- Intelligent Transportation Systems (ITS) and Commercial Vehicle Operations (CVO)
- Use of Functional Silos to Optimize Agency Decision Making
integral abutment
- Development of an Improved integral Abutment-to-Approach Slab Connection
- Integral Abutment Bridge with Precast Concrete Piles (TR-438)
- Testing and Long-Term Monitoring of 9th Street Bridge Over I-235 in Des Moines
intelligent compaction
- Evaluation of Intelligent Compaction Systems
- Field Validation of Intelligent Compaction Monitoring Technology for Unbound Materials and HMA
intelligent transportation systems (ITS)
- Advantage I-75
- AMASCOT
- Choosing Smart Technologies
- Coordinated Paratransit in the Era of ADA
- Des Moines ITS Early Deployment
- Improving Interbus Transfer
- Institutional Barriers and Opportunities for IVHS
- Intelligent Transportation Systems (ITS) and Commercial Vehicle Operations (CVO)
- Iowa DOT ITS Operations Manual
- Iowa Statewide Intelligent Transportation Plan
- Midwest ITS/CVO Mainstreaming
- Midwest Multi-state One-Stop
- National Governors' Association Study
- Origin Destination Model Estimation for I-235
- Weigh-in-Motion
interbus transfer
intermodal
- Changing Role of Freight Transportation Modes
- Efficient Distribution of Grain
- Optimization of Intermodal Logistics Operations in Disaster Planning
- Public Sector Participation in Local Rail Service Projects
- Transit-Related Joint Development for Economic Growth
intersections
- Access Management at Major Intersections
- Effectiveness of All-Red Clearance Time on Intersection Accidents and Violation Trends
- Effectiveness of Iowa's Automated Red Light Running Enforcement Programs (RLR, Phase 2)
- Guidelines for Removal of Traffic Control Devices in Rural Areas
- Impact of Left-Turn Phasing on Older and Younger Drivers at High-Speed Signalized Intersections
- Impact of Some Site-Specific Characteristics on the Success of the Signalization of High-Speed Intersections
- Impacts on Safety of Left Turn Treatment
- In-Pavement Pedestrian Flasher Evaluation, Cedar Rapids, Iowa
- Integration of Existing and Identification
- Intersection Collision
- Rural Expressway Intersection Synthesis of Practice and Crash Analysis
- Safety Effectiveness of High-Speed Expressway Signals
- Safety Impacts of Street Lighting at Isolated Rural Intersections
- Using Digital Video Analysis to Monitor Driver Behavior at Intersections
interstate
- Intelligent Transportation Systems (ITS) and Commercial Vehicle Operations (CVO)
- Mobility and Safety Impacts of Winter Storm Events in a Freeway Environment TR-426
- Traffic Management Strategies for Merge Areas
investment
- Alternative investments in the Rural Branch Railroad
- Environmental Justice & Transportation Investment Policy
- Multimodal Investment
- Multimodal Investment Ph2
- Road Investment to Foster Local Economic Development
- Transit-Related Joint Development for Economic Growth
- Transportation and Iowa's Economic Future
- Transportation and Land Use Awareness Program
Iowa
- Access Management Awareness
- Access Management Phase III
- Access Management Phase IV
- Commemorative History of the Iowa Highway Research Board
- Commercial Vehicle Parking
- Conducting Activities to Strengthen Statewide GIC Mechanisms
- Coordination of Transit and School Busing in Iowa
- Crash Record Validation Study
- Des Moines ITS Early Deployment
- Design Guide and Construction Specifications for Urban Stormwater Quality Improvements
- Development of a Performance Measures-based Planning System
- Economic Analysis of Scenic Byways
- Economic Regulation of Intrastate Trucking
- Effectiveness of Roadway Safety Improvements
- Evaluation of 70 mph Speed Limit
- Evaluation of a Bridge Constructed with Ultra High Performance Concrete
- Evaluation of Rammed Aggregate Piers for Highway Applications in Iowa Soils TR 443
- Evaluation of the 24th Street Bridge Interstate 80/29, Council Bluffs, Iowa
- Evaluation of the Iowa DOTs Safety Improvement Candidate List Process
- Field Evaluation of Timber Preservation Treatments
- Food Product Demand Mapping
- Geographic Information System (GIS) Database
- Guidelines for County Engineering Decisions
- Identification of Practices, Design, Construction, and Repair Using Trenchless Technology (TR-570)
- Improving Transportation for Large Scale Events Within the State of Iowa
- Institutional Barriers and Opportunities for IVHS
- Integral Abutment Bridge with Precast Concrete Piles (TR-438)
- Investigation of Steel Stringer Bridges
- Iowa Access Management Awareness
- Iowa Guide and Reference Manual for Traffic Control Devices and Pavement Markings TR-441
- Iowa Produce Market Potential Calculator
- Iowa Statewide Intelligent Transportation Plan
- Low Water Stream Crossings in Iowa TR-453
- Monitoring and Evaluation of the Westbound Roadway
- Pedestrian Crossing Safety Technology Assessment
- Plan for the Mississippi River Trail
- Planning, Developing and Implementation of the Iowa Pavement Markings Management Program. Phase I
- Planning, Implementation, and Operation of the Iowa DOT Pavement Management Program, Phase V: Proposal to Develop the Implementation and Operation of the IPMP
- Planning, Implementation, and Operation of the IPMP, Phase VI: Proposal to develop the Implementation and Operation of the IPMP
- Policy Issues of an Iowa Longer Combination Vehicle Network
- Process to Identify High Priority Corridors for Access Management Near Large Urban Areas in Iowa
- Road Equipment Procurement
- Smart Wetlands Mitigation for Iowa Department of Transportation Projects
- Statewide Pavement Management Program
- Statewide Urban Standard Design & Specifications
- Testing and Long-Term Monitoring of 9th Street Bridge Over I-235 in Des Moines
- Traffic Control Strategies in Work Zones with Edge Drop-Offs
- Transportation and Iowa's Economic Future
- Validation of Pavement Performance Models for the Mechanistic-Empirical Pavement Design Guide
- Vendor Weather Forecast
Iowa law
Kansas
land use
- Development of a new Process for Determining Design Year Traffic Demands TR 528
- Evaluating Land Use and Emission-Specific Travel Behavior
- Iowa Access Management Awareness
- Transportation and Land Use Awareness Program
lane conversion
- Four-Lane to Three-Lane Analysis
- Guidelines for the Conversion of 4-lane Undivided Roadways to 3-lane 2-way Left-turn Lane Facilities
lane departure
language barriers
laser scanning
- Improving Efficiency of Transportation Projects Using Laser Scanning
- Stringless Concrete Paving TR490
- Technology Transfer of As Built and Prelimary Surveys by Total Station GPS, Video Logging, and Laser Scanning TR446
- Using Scanning Lasers for Real-Time Pavement Thickness Measurement-Phase I
left turn phases
library
LIDAR
- Application of Advanced Remote Sensing/Asset Management
- Comparison of LIDAR and Conventional Mapping Methods for Highway Corridor Studies
- Comparison of LIDAR and Photogrammetry for Highway Planning and Design
lighting
- Developing a Rural and Urban Roadway Lighting Practical Design Guide for Iowa
- Safety Impacts of Street Lighting at Isolated Rural Intersections
lignin
linear referencing
- GPS to LRM: Integration of Spatial Point
- Iowa DOT Linear Referencing System
- Remote Sensing to Support Linear Referencing Systems
load testing
- Development of Bridge Load Testing for Load Evaluation TR-445
- Evaluation of a Post-tension Strengthened Steel Girder Bridge
- Investigation of Steel Stringer Bridges
- Use of Ultra-High Performance Concrete in Geotechnical and Substructure Applications
load transfer
location
- Development of a GIS-Based Crash Location Tool - Phase 5: GIS Incident Location Tool Implementation and Local Agency Support
- Development of a GIS-based Crash Location Tool Implementation and Agency Support
- Development of a GIS-Based Crash Location Tool, Phase 2
- Development of a GIS-Based Crash Location Tool:, Location Tool Implementation and Local Agency Support
- Incident Location Tool (ILT)
- Linking Real Time and Location
lock and dam
logistics
low volume
- Cost Comparison of Treatments Used to Maintain or Upgrade Aggregate Roads
- Field Testing of Railroad Flat Car Bridges
- Guidelines for Removal of Traffic Control Devices in Rural Areas
- Investigation of Steel Stringer Bridges
- Safety Analysis of Low Volume Rural Roads in Iowa
low water stream crossing
maintenance