Minnesota Department of Transportation

511 Travel Info

Road Research

MnROAD and NCAT Partnership

Orange barrels on a highway

MnROAD | NCAT/MnROAD Partnership

Pavement preservation (PG3)

The Minnesota DOT Road Research Project (MnROAD) and National Center for Asphalt Technology (NCAT), and the National Center for Pavement Preservation have formed a partnership to evaluate Pavement Preservation treatments. The objective of the Preservation Group (PG) experiment is to quantify the life-extending benefits of pavement preservation on both low- and high-volume roadways. Over twenty agencies have and supporting three pooled fund studies along with Foundation of Pavement Preservation PF2 and FHWA. In 2019, cold recycle sections were constructed near MnROAD to compliment the suite of cold recycling sections on US 280 in Opelika, Alabama with the support from the Pavement Preservation & Recycling Alliance (PPRA). The latest pooled fund is focused on the development and support of test sections with the participating agencies.

PG3 current efforts (2024-2029)

The current pooled fund is open for participation till 2029. Contact us if you are interested in participating. The goal of this pooled fund is to provide technical assistance to the agencies to build and monitor test sections in their own states with a focus on implementation of current specifications and practices.

PG1 and PG2 (2015-2023)

History

Test sections for both the southern and northern test sections were built by one contractor, same treatments, and similar designs with locally found materials.

Test sections

Test sections for both the southern and northern test sections were built by one contractor, same treatments, and similar designs with locally found materials. Test sections were built outside of the MnROAD and NCAT test tracks. Great care was taken to reduce variables.

Study contacts

Minnesota contact

Joel Ulring, P.E., joel.ulring@state.mn.us
MnDOT Materials and Road Research
MnDOT Pavement Preservation

NCAT contact

Adriana Vargas Nordcbeck, Ph.D., vargaad@auburn.edu
National Center for Asphalt Technology

NCPP contact

Bouzid Choubane, PhD., choubane@egr.msu.edu
National Center for Pavement Preservation