Here is how you can use this MnROAD data portal:
MnROAD data is presented by Section ID. Section ID is comprised of the cell the study is in, which lane the data applies to, and the start year of the Section ID. A new start year for a section ID is given when a layer is added or a new study begins. For example, data for the driving lane of cell 5 that received microsurfacing in 2012 is in Section ID 5-D-2012.
The roadways within the MnROAD system are: