Flexible pavements

Research focused on improving the design, construction and performance of long-lived, quality hot mix asphalt (HMA) pavements in Wisconsin. Investigates compaction, binders, overlays, implementation of the Mechanistic Empirical Design Guide (MEPDG) and more.

Please visit the Wisconsin Digital Archives or contact staff at research@dot.wi.gov for research published before FFY 2014.

Research in progress

Project ID	Project information	Completion date (expected)
0092-24-01	Design Requirements for High Traffic Asphalt Mixes to Ensure Pavement Performance Principal Investigator: Christopher Williams, Professor, Iowa State University WisDOT Contact: Tirupan Mandal Request for Proposal	10/2025
0092-25-01	Investigation of Reflective Cracking in Wisconsin Principal Investigator: Randy West, NCAT at Auburn University WisDOT Contact: Casey Wierzchowski Request for Proposal	09/2026

Completed research

Project ID	Project information	Completion date
0092-23-01	Benchmarking Delta Tc (ΔTc) for Wisconsin Materials Final Report Research Brief	06/2025
0092-22-04	Balanced Mixture Design Pilot and Field Test Sections Final Report Research Brief	10/2023
0092-21-04	Interlayer Mixture Design Final Report Research Brief	12/2022
0092-20-03	Expansion of AASHTOWare ME Design Inputs Final Report Research Brief	03/2022
0092-21-05	Material Specifications for Longitudinal Joint Construction, Remediation and Maintenance Final report Research brief	12/2021
0092-20-04	Balanced Mixture Design Implementation Support Final report Research brief	05/2021
0092-19-04	Recycled Asphalt Binder Study Final report Research brief	05/2021
0092-19-05	Rubber Asphalt Study for Wisconsin Final report Research brief	10/2020
0092-18-06	Enhanced Moisture Sensitivity Study Final report Research brief	09/2019
0092-18-05	Investigation of In-Service Pavement Performance Final report	06/2019
0092-17-06	Investigation of Tack Coat Materials on Tracking Performance Final report Research brief	07/2019
0092-15-05	Evaluation of WisDOT Quality Management Program (QMP) Activities and Impacts on Pavement Performance Final report Research brief	10/2018
0092-16-06	Regressing Air Voids for Balanced HMA Mix Design Study Final report Research brief	10/2018
0092-17-04	Field Aging and Oil Modification Study Final report Research brief	07/2018
0092-16-02	Asphaltic Binder Extraction Protocol for Determining Amount & PG Characteristics of Asphaltic Mixtures Final report Research brief	01/2018
0092-15-04	Analysis and Feasibility of Asphalt Pavement Performance-Based Testing Specifications for WisDOT Final report Research brief	12/2016
0092-14-06	Critical Factors Affecting Asphalt Concrete Durability Final report Research brief	08/2016
0092-15-09	Wisconsin Department of Transportation Asphaltic Mixture New Specifications Implementation - Field Compaction and Density Validation Final report Research brief	06/2016
0092-12-02	Development of Guidelines and Specifications for Use of WMA Technology in Delivering HMA Products Inclusive of Non-Conventional Mixtures Such as SMA’s, and Mixtures with High RAP and High RAS Content Final report Research brief	05/2014
0092-13-01	Evaluation of Design Criteria and Field Performance of Rubblized Concrete Pavement Systems in Wisconsin - Phase 1 Final report	03/2014
0092-12-01	Refinement of Current WisDOT HMA Mixture App Guidelines Related to NMAS and Aggregate Characteristics Final report Research brief	02/2014

Flexible pavements

Research

Library

Research in progress