Bio-Material Maintenance Treatments

Cold In-Place Recycling Project Selection and Guidance for Iowa Roadways

Development of Quality Standards for Inclusion of High Recycled Asphalt Pavement Content in Asphalt Mixtures – Phase IV

Quantifying Benefits of Improved Compaction

Validation of Gyratory Mix Design in Iowa, Phase II

Design of Micro-Surfacing and Chip Sealing Mixes with RAP for Local Roadway Applications

Development of Bio-Based Polymers for Use in Asphalt – Phase II

Chip Seal Design and Specifications – Implementation Phase (Phase II)

Implementation of Low-Temperature Cracking Criteria in Iowa

Use of J Band to Improve the Performance of the HMA Longitudinal Joint

Holding Strategies for Low Volume State Routes – Phase II

Scientific Innovations in Microsurfacing and Slurry Seal Mixture Design

Effectiveness of Pavement Preservation Techniques

Development of Renewable Polymers for Use in Asphalt Pavements

Best Practices for Chip Sealing Low-Volume Roads in Ohio

Enhancing the Fundamental Knowledge and Use of Asphalt Emulsions Using Systematic Scientific and Engineering Approaches

Development of Quality Standards for Inclusion of High Recycled Asphalt Pavement Content in Asphalt Mixtures – Phase III

Impact of Lower Asphalt Binder for Coarse HMA Mixes

Chip Seal Design and Specifications

Development of a Mix Formation and Pavement Design Using Asphalt-Rubber Binders and Biobased Additives

Validation of Gyratory Mix Design in Iowa

Development of Non-Petroleum-Based Binders for Use in Flexible Pavements – Phase II

Reflective Crack Mitigation Guide for Flexible Pavements

Assessment of Asphalt Interlayer Designed on Jointed Concrete Pavement

Assessment of Non-Destructive Testing Technologies for Quality Control/Quality Assurance Testing of Asphalt Mixtures

Investigation of Low Temperature Cracking in Asphalt Pavements

A Demonstration Project for the Illinois Tollway Utilizing Post-Consumer Asphalt Roofing Shingles

Investigation of Warm-Mix Asphalt Using Iowa Aggregates