Minn. Stat. § 164.155: RESTORATION OF CERTAIN TOWN ROAD.

Subdivision 1. Liability of political subdivision.

Any political subdivision transporting or causing to be transported any sand, gravel or other road-building materials over a town road shall restore that road or reimburse the town for restoration of that road to as good condition as it was prior to that transportation.

Subd. 2. Contract by political subdivision.

Whenever a political subdivision and a private contractor enter a contract that contemplates the transporting of road-building materials by that contractor or a subcontractor over a town road, the political subdivision shall require, as a term of that contract, that the contractor assume the liability of the political subdivision under subdivision 1.