Research in Progress
Listed with most recently started project first, then alphabetically.
- Optimizing Pavement Base, Subbase and Subgrade Layers for Cost and Performance on Local Roads (TR-640)
- Geosynthetic Reinforced Soil for Low Volume Bridge Abutments
- Low Cost Rural Surface Alternatives
- Evaluation and Guidance on Effective Traffic Calming for Small Communities
- Study of the Factors that Contribute to Motorcycle Conspicuity
- CP Road Map Administrative Support Task 4
- Evaluating the Effectiveness of the City of Des Moines LED Pedestrian Crossing Treatments
- Technology Transfer Intelligent Compaction Consortium
- Develop Statewide Urban Design Standards and Specifications Manuals for Public Improvement
- Timber Abutment Piling and Back Wall Rehabilitation and Repair (TR-616)
- Mechanistic Design Guide Calibration for Pavement Rehabilitation
- Horizontal Curve Identification and Evaluation
- The J-Turn Intersection for Rural Expressways: Computer Simulation and Conflict Analysis
- Connection Details and Field Implementation of UHPC Piles
- Structural Characterization of a UHPC Waffle Bridge Deck and Its Connections
- Guide for Existing Concrete Overlay Design Methodology
- Sensitivity Evaluation of MEPDG Performance Prediction
- Asset Management and Safety: Roadway Lighting, Signing, and Pavement Marking Tools
- A Demonstration Project for the Illinois Tollway Utilizing Post-Consumer Asphalt Roofing Shingles
- Project Management Strategies for Complex Projects
- Evaluation of Safety Edge Benefits in Iowa
- Use of Crash Surrogate Measures to Assess the Impact of Systematic Improvements and Other Countermeasures on Rural Roadway Safety
- A Feasibility Study of Embedded Micro-Electromechanical Sensors
- Developing a Laboratory Test for Determining the Initial Retroreflectivity Level of Glass Beads in Pavement
- Go! Using an Online Magazine to Convey Real-World Math and Science Concepts Related to Transportation
- Analysis of Nighttime Construction Activities and Impacts on Safety, Quality, and Productivity
- Iowa DOT Roller Integrated Compaction Monitoring Research and Implementation
- Alternative Calibration Method FO AASHTO T153
- Minnesota Local Agency Pavement Marking Practices-Phase I
- Application of Visualization and Simulation Program to Improve Work Zone Safety and Mobility
- Improving the Foundation Layers for Concrete Pavements
- Development and Field Evaluation of a Prototype Tool to Detect and Identify Left Turning Vehicles
- Intelligent Compaction for Evaluation of Geogrid Reinforced Base Material
- Iowa's Traffic Safety Analysis Manual
- Wind Monitoring of the Red Rock Reservoir Bridge for Wind Induced Vibrations with Remote, Cellular-Based Notification
- 2009 Smart Work Zone
- Concrete Overlay Field Application Program-Part B
- White Paper on Alternative Strategies for Safety Improvement Investments
- Phase II Minnesota Truck Parking Study
- National Training for Concrete Pavement Preservation
- Field Testing and Evaluation of a Demonstration Timber Bridge
- Evaluation of the Buena Vista IBRD Bridge: A Furthering of Accelerated Bridge Construction in Iowa
- Low-Cost Strategies to Reduce Speed and Crashes on Curves
- Literature Review Related to the Potential Integration of Nano-Technology into a Smart Timber Bridge
- Farm to ISU: Helping Iowa State University Dining Staff Understand and Grow the Local Food Purchasing Program
- Best Practices Safety Guide for Local Rural Agencies
- Investigation of Low Temperature Cracking in Asphalt Pavements
- Instrumentation and Monitoring of Precast Bridge Approach Tied to an Integral Abutment in Bremer County
- Evaluating the Effectiveness of Temporary Work Zone Pavement Marking Products
- Preservation of Covered Bridges
- Field Monitoring of Curved Girder Bridges with Integral Abutments
- Technical Support for Two-Lift Paving Construction in Kansas
- Technical Support for Two-Lift Paving Construction in Kansas
- Concrete Overlay Field Application Program
- Stabilization Procedures to Mitigate Edge Rutting for Granular Shoulders, Phase II (TR-591)
- Stabilization Procedures to Mitigate Edge Rutting for Granular Shoulders (TR 531), Phase 2
- Seismic Performance of an I-Girder to Inverted-Tee Bent Cap Connection
- Integration of Analysis Methods and Development of Analysis Plan
- 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)
- Technology Transfer Concrete Consortium
- Early Permeability Test for Asphalt Acceptance
- Effect of Admixtures on Roller-Compacted Concrete Mixes
- Bridge Designs for Rapid Renewal
- Evaluation of Rumble Stripes on Low-Volume Rural Roads in Iowa
- Implementation and Operation of the Iowa Department of Transportation Pavement Management Optimization Model
- Interstate System 4R Plan: An Asset Management Approach
- PONTIS Implementation and Operation
- National Training for Integrated Materials and Construction Practices for Concrete Pavements, Phase II
- CARS Location Database Creation, Update and Validation
- CARS Location Database Update and Validation
- Development of New Test Procedures for Measuring Fine and Coarse Aggregate
- Geotechnical Solutions For Soil Improvement, Rapid Embankment Construction, and Stabilization of the Pavement Working Platform
- 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
- Field Evaluation of Methods to Minimize Transverse Glulam Deck Deflection, Phase 2
- Effectiveness of Safety Corridor Programs, AKA Road Safety Audits
- Rapid, Self-contained In-situ Permeameter for Field QC/QA of Pavement Base/Subbase Materials
- Geospatial safety analysis for highway curves and resurfacing projects
- Use of Ultra-High Performance Concrete in Geotechnical and Substructure Applications
- 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
- Development of Analytical Tools to Evaluate Road Departure Crashes Using Naturalistic Driving Study Data
- Development of a Comprehensive Framework for Managing Decisions Regarding Highway Bypasses
- Incident Location Tool Support for Iowa DOT
- Incident Location Tool Support for the Iowa Department of Transportation
- Minnesota Mapping Analysis Tool (MnMAT) Enhancements
- Implementation of Concrete Pavement Preservation and PCC Surface Characteristics: Tire Pavement Noise Program
- Food Product Demand Mapping
- 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)
- Concrete Pavement Preservation and Rehabilitation
- Improving Transportation for Large Scale Events Within the State of Iowa
- 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"
- 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
- Iowa DOT Pavement Marking Management System: Research and Field Evaluation Assistance
- Pavement Marking Demonstration Project
- Pavement Markings Concept
- 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
- Analyze Wind Loading Data Collected During Hurricane Katrina
- 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
- 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
- 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
- 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
- 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
- Best Practices and Recommended Strategies for Shared Left Turn Lanes at Signal Control Approaches
- Iowa Traffic Safety Data Service
- 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
- Planning, Developing, and Implementation of the Iowa Pavement Marking Management Program III
- Sign Management System for Iowa DOT
- Construction and Evaluation of a Prestressed Concrete Bridge Constructed Using Ultra High-Performance Concrete
- Development and Implementation of Design Recommendations for the Minimization of Timber Deck Panel Differential Deflection
- 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
- USRAP-Phase III
- US Road Assessment Program, Phases 1-3
- Evaluation of FRP Temporary Bypass Bridge
- Evaluation of a Prestressed Concrete Bridge Constructed using Ultra High-Performance Concrete
- 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
- Evaluation of a Single-Span Steel-Girder Bridge Using a Steel-Free Deck System in Tama County