Minnesota Department of Transportation

511 Travel Info

Current Research

National Road Research Alliance

Orange barrels on a highway

Long-Term, Short Term and New Research

Flexible Team's Phase 3 Research

  1. Mix Rejuvenator Synthesis (Phase-1)
  2. Mix Rejuvenator Test Sections (Phase-II)

Flexible Team's Long-Term Research

  1. Developing Best Practices for Rehabilitation of Concrete with Hot Mix Asphalt (HMA) Overlays related to Density and Reflective Cracking
  2. Cold Central Plant Recycling (CCPR)

Flexible Team's Short-Term Research

  1. Longitudinal Joint Construction Performance
  2. Tack Coats

Rigid Team's Phase 3 Research

  1. Construction Report for Jointless FRC Roundabout in Minnesota
  2. Incorporate Joint Faulting Model Into BCOA-ME
  3. Engineered Dowel and Tie Bars combined with LTPP SPS-2 Determination of Causes for Cracking Over Dowel Bars

Rigid Team's Long-Term Research

  1. Performance Benefits of Fiber-Reinforced Thin Concrete Pavement and Overlays
  2. Reduced Cementitious Material in Optimized Concrete Mixture
  3. Early Opening Strength to Traffic
  4. Compacted Concrete Pavement

Rigid Team's Short-Term Research

  1. Design and Performance of Concrete Unbonded Overlays
  2. Repair of Joint Associated Distress Pavements
  3. Future--Optimal Timing and Selection of PP Treatments for Concrete - August 4th (WORD)

Geotech Team's Phase 3 Research

  1. Mechanistic Load Restriction Decision Platform for Pavement Systems Prone to Moisture Variations
  2. Environmental Impacts on the Performance of Pavement Foundation Layers
  3. Permeability of Base Aggregate and Sand
  4. Improve material inputs into mechanistic design properties for reclaimed HMA Roadways

Geotech Team's Long-Term Research

  1. Determining Pavement Design Criteria for Recycled Aggregate Base and Large Stone Subbase

Geotech Team's Short-Term Research

  1. Larger Subbase Materials
  2. Subgrade Design for New and Reconstructed

Preventive Maintenance Team's Phase 3 Research

Preventive Maintenance Team's Long-Term Research

  1. Maintaining Poor Pavements
  2. Effective Long Lasting Partial Depth Joint Repairs for Challenging Conditions

Preventive Maintenance Team's Short Term Research

  1. Surface Characteristics of Diamond Ground PCC Surfaces
  2. Pavement preservation approaches for lightly surfaced roadways
  3. Future--Partial Depth Repairs of Concrete - Draft August 4th (WORD)
  4. Future--Surface Treatments for HMA Pavements - Draft July 25th (WORD)

Intelligent Construction Technologies Team Phase 3 Research

  1. Evaluation of Levels 3-4 Intelligent Compaction Measurement Values (ICMV) for Soils Subgrade and Aggregate Subbase Compaction
  2. Support Importing, Viewing and Analysis of Dielectric Constant Data in Veta
  3. HD and VHD Seismic Approaches for Roadway Evaluation