Road Research

Projects by research topic

Asphalt

• Phosphorus Nuclear Magnetic Resonance Testing of Asphalt Binders (pdf)
• Asphalt Design Process
• Low Temperature Cracking/Performance Test
• Recycled Asphalt Pavements/Shingles (RAP)
• Warm Mix Asphalt
• Asphalt Binder Modification
• Surface Characteristics HMA

Concrete

• High Performance PCC Design (60-Year)
• Thin Concrete Overlays
• Whitetopping (PCC Overlays of Existing HMA)
• Composite Pavement Systems
• PCC Surface Characteristics (New Construction)
• Pervious Concrete (Pavements)
• Pervious Concrete (Overlay)

Grading and base

• High Carbon Fly Ash Stabilization
• Recycled Unbound Materials
• Resilient Modulus

Pavement preservation

• HMA Optimal Timing of Preventative Maintenance
• HMA Crack Sealing
• HMA Micro Surfacing
• HMA Chip Seals
• Seal Coat Design Program
• PCC Joint Sealing
• PCC-Diamond Grinding
• National Efforts: NCAT/MnROAD
  

Topic-specific - general studies

• Taconite for Pavement Applications
• Implements of Husbandry (Farm Equipment) on Pavements
• Ground Penetrating Radar
• Seasonal Load Limits
• Intelligent Compaction and Advanced Technology
• Pavement Noise
• Traffic Sign Reflectivity
• Rolling Resistance