Minnesota Department of Transportation

511 Travel Info

Road Research

NRRA Geotechnical Team

Orange barrels on a highway

Geotechnical Team

The geotechnical team is comprised of technical experts in the area of unbound materials found under pavement surfaces. Activities include: prioritization of short and long term research, development of long term research test sections, and providing input for technology transfer.

NRRA Geotechnical Efforts

2021 Projects

2020 Projects

2019 Projects

2017 Projects

2017 Synthesis

Meeting Notes/Action Items







Geotechnical Reports

Specifications and Manuals

California DOT
Illinois DOT
Michigan DOT
Minnesota DOT
Missouri DOT
Wisconsin DOT

Pavement Design Procedures

Illinois DOT
Minnesota DOT
Missouri DOT
  • AASHTO Pavement ME
Wisconsin DOT

Facilities Development Manual - Chapter 14 (pdf)

  • Note: New pavement designs and pavement replacements on interstate, US and state highways are designed using AASHTOWare Pavement ME Design, Version 2.1. Local road pavement designs are based on AASHTO ’72.

Terms and Definitions

Unbound Intelligent Compaction Partnerships