Road Research

Preventive Maintenance Team

The preventive maintenance team is comprised of technical experts in the area maintenance of concrete and asphalt roadways. Activities include prioritization of short and long term research, development of long term research test sections at MnROAD, and providing input for technology transfer.

NRRA Preventive Maintenance Efforts

2017 Synthesis

• Pavement Preservation Approaches for Lightly Surfaced Roadways - Complete
• Surface Characteristics of Diamond Ground PCC Surfaces

2017 Projects

• Effective Long Lasting PCC Partial Depth Joint Repairs for Challenging Conditions
• Maintaining Poor Pavements - Closed

2019 Synthesis

• Spray on Rejuvenator Synthesis - Complete
• Service Life Enhancement of Substrates Overlaid with Thin Overlays (UTWBC, Chip Seals & Microsurfacing) for each state - Complete
• Concrete Pavement Restoration (CPR) for Bonded Concrete Overlays of Asphalt - Complete

2019 Projects

• Spray on Rejuvenator Test Sections
• Bio-Materials Maintenance Treatments

Pavement Manual Information

• Illinois DOT Pavement Preservation chapter (pdf)
• Minnesota DOT Pavement Preservation Manual (pdf), Feb. 2020

Specifications

• Polymer Scrub Seal (pdf) - July 19, 2016

Meeting Notes/Action Items

2020

• September team notes (doc)
• June Team Notes (doc)
• May Team Notes (doc)
• April Team Notes (doc)
• March Team Notes (doc)
• Feb. Team Notes (doc)
• Jan. Team Notes (doc)

2019

• Dec. Team Notes (doc)
• Nov. Team Notes (doc)
• Sept. Team Notes (doc)
• Aug. Team Notes (doc)
• June Team Notes (doc)
• May Team Notes (doc)
• April Team Notes (doc)
• March Team Notes (doc)
• Jan. Team Notes (doc)

2018

• Dec. Team Notes (doc)
• Nov. Team Notes (doc)
• Oct. Team Notes (doc)
• Sept. Team Notes (doc)
• August Team Notes (doc)
• March Team Notes (doc)
• February Team Notes (doc)

2017

• December Team Notes (doc)
• November Team Notes (doc)
• Action Items for August (doc)
  • Voted - Research Topic Rankings (doc) - Presented to the EC on July 21st
  • Initial - Industry Draft Topic Statements (doc) - June 23
• April 2017 meeting notes (pdf)
• March 16, 2017 (doc)
• February 2, 2017 (pdf)
• January 5th 2017 (pdf)

2016

• November 3rd, 2016 (pdf)
• September 8th, 2016 (pdf)
• August 25th, 2016 (pdf)
• August 11th, 2016 (pdf)
• July 28th, 2016 (pdf)
• July 14th, 2016 (pdf)
• June 30th, 2016 (pdf)
• June 16th, 2016 (pdf)
• June 2nd, 2016 (pdf)
• May 19th, 2016 (pdf)
• May 5th, 2016 (pdf)
• April 20th, 2016 (pdf)