Mainline
The Mainline is 3.5-miles of Interstate traffic diverted from the parallel westbound I-94 between Albertville and Monticello, Minnesota.
Mainline section design profiles
- 2024 Current Layout (PDF)
- 2022-2024 Layout (PDF)
- 2018-2022 Layout (Mainline & Original Westbound) (PDF)
- 2014-2016 Layout (PDF)
- 2014 Layout (PDF)
- 2013 Layout (PDF)
- 2008-2013 Layout (PDF)
- 1994-2008 Layout (PDF)
Layout maps only
Layout maps are available on the MnROAD InfoPave Data page from FHWA.
Drive the Mainline!
The MnDOT 511 app offers live video feeds of MnDOT roads.
Twice a year, the Office of Aeronautics assists MnROAD with capturing drone footage of the test cells. All of the footage is loaded to our YouTube channel and organized into playlists by date and by project.