Maintenance crews on Hwy 53 in St. Paul


Minnesota's Cold Weather Road Research Facility

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MnROAD Research


Improving the Way We Design, Construct, and Maintain Our Highways in Cold Weather Climates


MnROAD is a pavement test track using various research materials and pavements owned and operated by the Minnesota Department of Transportation. It finds ways to make roads last longer, perform better, cost less to build and maintain, be built faster and have minimal impact on the environment. Located near Albertville, Minnesota, the MnROAD test track was initially constructed between 1991-1993 and is one of the most sophisticated, independently operated pavement test facility of its type in the world. Currently MnROAD, works in conjunction with the MnDOT Materials Lab located in Maplewood, MN.



MnROAD Facility


MnROAD consists of two unique road segments located next to Interstate 94:


MnROAD celebrated its 20th year of operations!

(MnROAD was open to traffic August 4, 1994)


Phase I and Lessons Learned

Phase-I Lessions learned include a summary of the first ten years of research performed at MnROAD from 1994-2004.

Construction 1990-2006

Phase-I Reports

Phase II Research Underway

Phase II encompasses more than 20 research projects and reconstruction of over 30 test cells. Construction began in 2007 and continued in recent years and is expected to go till 2016..

Construction 2007-2013

Phase-II Project Updates

TERRA, International Reach, and Benefits of Research

The Transportation Engineering and Road Research Alliance (TERRA) is a dynamic partnership of government, industry, and academia that continuously advances the innovations in road engineering and construction. TERRA helps to form MnROAD construction and research priorities to establish a cohesive and cost- sustainable research group.

TERRA's Website


MnROAD also works with international organizations and government research groups to provide research opportunities and dispersal of pavement knowledge. Researchers from all over the world have collaborated on pavement research projects and are using MnROAD data and research to improve roads in cold weather climates.

Research projects


Request Data

All of the data generated at the MnROAD research facility is free and open to the public.

Request Data Form