Research in Progress
Listed with most recently started project first, then alphabetically.
- Construction Project Administration and Management for Mitigating Work Zone Accidents and Fatalities
- Impact of Low-Shrinkage Mixes on Late-Age Random Cracking in Pavements with Use of Early-Entry Sawing (TR-587)
- Access and Corridor Management Support Program for Iowa, Phase I
- Establishing a Dynamic Formula for Pile Design and Construction Control of Pile Driving (TR-584)
- Evaluation Framework for the Creation and Analysis of Integrated Spatially-referenced Driver-Crash Databases
- Pavement Markings and Safety
- Establishment of a Technology Transfer Concrete Consortium to identify, advise, and fund research and technology transfer for concrete
- Early Permeability Test for Asphalt Acceptance
- Safety Analysis of Low Volume Rural Roads in Iowa
- Effect of Admixtures on Roller-Compacted Concrete Mixes
- Evaluation of Rumble Stripes on Low-Volume Rural Roads in Iowa
- Low-Cost Strategies to Reduce Speed and Crashes on Curves
- National Training for Integrated Materials and Construction Practices for Concrete Pavements, Phase II
- CARS Location Database Creation
- Evaluation of Electronic Speed Limit Signs for Unified Consolidated School on US 30, Eastbound and Westbound
- Geotechnical Solutions For Soil Improvement, Rapid Embankment Construction, and Stabilization of the Pavement Working Platform
- Develop an Expanded, Improved, and Upgraded Version of Probabilistic Optimization for Profit Software
- Evaluation of Speed Activated Displays on Curves
- Synthesis of Traffic Calming Techniques in Work Zones
- Investigation into Freezing-Thawing Durability of Low Permeability Concrete with and without Air Entraining Agent
- National Winter Maintenance Peer Exchange
- CP Road Map Administrative Support, Task 2
- Evaluation of On-Road and Laboratory Engine Dynamometer Emission Tests to Compare the Emission Reduction Potential of Different Biodiesel Blends
- Synthesis Study: Effectiveness of Safety Corridor Programs
- Rapid, Self-contained In-situ Permeameter for Field QC/QA of Pavement Base/Subbase Materials
- Geospatial safety analysis for highway curves and resurfacing projects
- Improving Safety for Slow Moving Vehicles on Iowa's High Speed Rural Roadways
- Management of Rural Expressways for Improved Safety and Operational Performance
- Use of Ultra-High Performance Concrete in Geotechnical and Substructure Applications
- Implementation of Intelligent Compaction Performance Based Specifications in Minnesota
- Enhancements to the Incident Mapping and Analysis Tools (IMAT)
- Implementation Activities Supporting the International Technology Scan on Long-Life Concrete Pavements
- Laboratory Testing on HMA and Asphalt
- Remote Health Monitoring for Asset Management
- Spatial Scale of Clustering of Motor Vehicle Crash Types and Appropriate Countermeasures
- Achieving Efficiency in Meeting Safety, Operations, Maintenance, and Air Quality Goals
- Assessing the Spatial and Temporal Differences in Midwestern Crashes Relative to National Data: Implications for Public Policy Decisions
- Iowa Pavement Marking and Sign Management System
- Pervious Concrete Mix Design for Wearing Course Applications, Phase I
- Development of Analytical Tools to Evaluate Road Departure Crashes Using Naturalistic Driving Study Data
- Bridge Deck Integrity Measurements for Asset Management
- Bridge Vulnerability Assessment and Mitigation Against Explosions
- A Decision Support System for Optimal Depot and Fleet Management
- Development of a Comprehensive Framework for Managing Decisions Regarding Highway Bypasses
- Evaluation of the 24th Street Bridge, Interstate 80/29, Council Bluffs, Iowa
- Identification of Practices, Design, Construction, and Repair Using Trenchless Technology (TR-570)
- Integration of Asset Management Systems with Load and Resistance Factor Design
- Minnesota Mapping Analysis Tool (MnMAT) Enhancements
- Implementation of Concrete Pavement Preservation and PCC Surface Characteristics: Tire Pavement Noise Program
- Food Product Demand Mapping
- Develop Onboard Machine Technology for Real-Time Determination of Soil Water Content
- Investigation of Dual Roller-Integrated MDP/CMV Compaction Monitoring Technologies and Measurement Influence Depth
- Laboratory Kneading Compactor Evaluation and In-situ Measurements Database Development
- Modified Sheet Pile Abutments for Low Volume Bridges (TR-568)
- Non-destructive Evaluation of Iowa Pavements, Phase 2: Development of a Fully Automated Software System for Rapid Analysis/Processing of the Falling Weight Deflectometer Data
- Bridge Construction Practices Using Incremental Launching, NCHRP Project 20-07/Task 229
- Self-Consolidating Concrete--Applications for Slip Form Paving, Phase 2
- Utility Cut Repair Techniques to Reduce Settlement in Repaired Areas, Phase 2 (TR-566)
- Warrants for Roundabouts
- Concrete Pavement Preservation and Rehabilitation
- Improving Transportation for Large Scale Events Within the State of Iowa
- Improving Variability and Precision of AVA Test Results and Developing Rational Specification Limits
- Roadway Departure: Marketing, Outreach, and Education
- Safety Data Improvement
- Simple and Rapid Test for Monitoring the Heat Evolution of Concrete Mixtures for Laboratory and Field Applications, Phase 3
- Update of "Roundabouts: An Informational Guide"
- Administrative Support Group for Concrete Pavement (CP) Road Map
- Evaluation of a Bridge Constructed with Ultra High Performance Concrete
- Short-Term Monitoring of the Saylorville Reservoir Bridge for Wind-Induced Vibrations with Remote, Cellular-Based Notification
- National Training for Integrating Materials and Construction Practices in Concrete Pavements: A State-of-the-Practice Manual
- Implementation and Evaluation of Smart Timber Bridge Concepts to Provide Continuous Structural Condition Assessment
- Work Zone Forecasting Service
- Hybrid Electric School Bus Deployment and Evaluation
- Clear Zone: A Synthesis of Practice and Benefits of Meeting the Ten-Foot Clear Zone Goal on Urban Streets
- Iowa DOT Pavement Marking Management System: Research and Field Evaluation Assistance
- Use of Ultra-High Performance Concrete in Geotechnical and Sub-structure Applications (TR-558)
- Pavement Marking Demonstration Project
- Assessment of Iowa Climatic Data and Its Integration into the AASHTO Mechanistic-Empirical Pavement Design Procedure
- Characterization of Unbound Materials (Soils/Aggregates) for Mechanistic-Empirical Pavement Design Guide
- Existing Pavement Input Information for the Mechanistic-Empirical Pavement Design Guide
- Feasibility Investigation of Segmentally Precast Bridge Piers for Accelerated Construction
- Laboratory and Field Testing and Evaluation of Precast Bridge Elements
- Location Tool Support for TraCS Location Tool States
- New Implementation of the Incident Location Tool
- Performance Evaluation of Concrete Pavement Granular Subbase (TR-554)
- Testing Iowa Asphalt Mixtures for the AASHTO Mechanistic-Empirical Pavement Design Procedure
- Validation of Pavement Performance Models for the Mechanistic-Empirical Pavement Design Guide
- Testing and Long-Term Monitoring of 9th Street Bridge Over I-235 in Des Moines: Integral Abutments Supported on Steel Pile/Concrete Drilled Shaft in Glacial Clay
- Aurora--RWIS Telecommunications Issues and Options
- Evaluation of Hot Mix Asphalt Moisture Sensitivity Using the Nottingham Asphalt Test Equipment, Phase II (TR-555)
- Modern Roundabout Guidance for the Iowa DOT
- Evaluation of 70 mph Speed Limit
- Evaluation of a Bridge Constructed Using Accelerated Construction Practices
- Madison County Bridge Evaluation
- Cooperative Intersection Collision Avoidance System Benefit/Cost Analysis Tool
- Evaluation of Fine Aggregate Characteristics Tests and Their Relationship to HMA Performance
- Incident Location Tool Support for Iowa DOT
- Local Agency Pavement Marking Plan
- Older Driver Demonstration Study, City of Des Moines
- PONTIS Implementation and Operation, Phase 5
- Testing Iowa Portland Cement Concrete Mixtures for the Mechanistic-Empirical Pavement Design Guide
- Demonstration and Evaluation of Speed Management on Main Roads in Rural Communities
- Effectiveness of Paved Shoulders in Iowa
- Investigation of the Impact of Rural Develoment on Secondary Road Systems (TR-548)
- Revision to the SUDAS Traffic Signal Design Guide (TR-546)
- High-Speed Expressway Intersections Study of Crash Risk Factors
- Crash Mapping Analysis Tool for Minnesota DOT
- Impact of Increased Freight Traffic on Pavement Maintenance Costs
- Iowa Event Operations
- Snow and Ice Operations Cost Analysis
- Western Growth Area Land Use Sensitivity Analysis, Phase 2
- Winter Weather Crash Trends on Iowa Primary Roads
- Instrumentation and Monitoring of Precast, Post-tensioned Bridge Approach Pavement
- Weatherview: XML Data Structure & Maintenance
- Development and Demonstration of Fleet Management Strategies for Timber Bridges
- Development of a 5 Year Research Plan for the Development of a Smart Glued-Laminated Timber Bridge
- Needs Assessment for Advancing Timber Utilization in Mainline and Shortline Railroad Applications
- Evaluation of a Precast, Post-Tensioned Bridge Paving Notch
- Median Intersection Design for Rural High-Speed Divided Highway
- Access Management at Major Intersections
- Best Practices and Recommended Strategies for Shared Left Turn Lanes at Signal Control Approaches
- Safety and Operational Effectiveness of One-lane Roundabouts at High Speed Highways
- PCC Pavement Surface Characteristics
- County Non-FAE Paved Road Condition: Data Collection, Summary, and Delivery, Phase II
- Demonstration of Integrated Pervious Pavement System for Management of Stormwater Quality and Quantity
- Planning, Developing, and Implementation of the Iowa Pavement Marking Management Program III
- Rural Expressway Intersection Crash analysis Update
- Sign Management System for Iowa DOT
- Economic Impacts--Real or Perceived?
- Deicer Scaling Resistance of Concrete Pavements, Bridge Decks, and Other Structures Containing Slag Cement
- Construction and Evaluation of a Prestressed Concrete Bridge Constructed Using Ultra High-Performance Concrete
- Design Guide for Improved Quality of Roadway Subgrades and Subbases (TR-525)
- Smart Work Zone Deployment Initiative
- One- to Two-Way Roadway Conversions
- Feasibility of Cooperative Development of Wetland Mitigation Projects
- Performance Effectiveness of Design-Build, Lane Rental, and A + B Contracting Techniques
- Iowa Pavement Management Program, Phase X
- Development and Implementation of Design Recommendations for the Minimization of Timber Deck Panel Differential Deflection
- Implementation of HERS-ST in Iowa and Development /Refinement of a National Training Program
- Monitoring Wind-Induced Vibrations/Stresses in a High Mast Lighting Tower (TR-518)
- Remote Monitoring of Historic Covered Timber Bridges in Madison County for the Prevention of Arson and Vandalism
- Rewriting Supervisory Training Program Unit 8: Managing the Project-The Supervisor's Role
- Pavement Management through Data Collection and Analysis
- Planning, Developing and Implementing the Iowa Pavement Marking Management System (IPMMS)
- Measurements of Seasonal Changes and Spatial Variation in Pavement Subgrade Support Properties - a Link to Pavement Performance (TR-516)
- Automated Pavement Condition Data: Analysis, Feasibility and Data Integration
- Test and Validation of a Model for Forecasting Frost on Bridges
- Optimization and Management of Materials in Earthwork Construction (TR-501)
- Evaluating Land Use and Transportation Network Structure on Emission-Specific Travel Behavior
- Enhancement of Wisconsin DOT NDE Capabilities
- Management Support of the AURORA Program
- Planning, Developing and Implementation of the Iowa Pavement Markings Management Program
- Evaluation of FRP Temporary Bypass Bridge
- PONTIS, Implementation and Operation: Iowa DOT and Counties, Phase III: Implementation and Operation
- Evaluation of a Prestressed Concrete Bridge Constructed using Ultra High-Performance Concrete
- Predicting Critical VMA in Hot Mix Asphalt, Phase II
- A Pilot Study to Investigate the Use of Aggregate Screenings in Roadway Construction
- Nondestructive Testing Technology for Quality Control and Acceptance of Flexible Pavement Construction
- Evaluation of a Timber Bridge for the Secondary Road System Using FRP Reinforced Glulam Girders
- Evaluation of a Three-Span, Prestressed Concrete Girder Bridge Constructed with FRP Components
- Slope Stability Evaluation and Remediation Techniques for Iowa
- Material and Construction Optimization for Prevention of Premature Pavement Distress in PCC Pavements, Phases I and II
- Evaluation of a Single-Span Steel-Girder Bridge Using a Steel-Free Deck System in Tama County
- Evaluation of a Steel Girder Bridge Strengthened Using Fiber Reinforced Polymer Plates
- Helikite-based Remote Monitoring Platform
- Development of Acceptable Live Load Deflection Criteria for Various Timber Superstructure and Deck Types
- Evaluation of the Effectiveness of Glued Laminated Helper Stringers
- Iowa Transit ITS Needs Analysis
- Iowa Traffice Safety Data Service (ITSDS)
- Traffic Data Collection and Reduction Using Video Detection Equipment
