MINNESOTA DEPARTMENT OF TRANSPORTATION
to see the information from the Minnesota Department of Transportation's in its entirety. They do prohibit
advertising devices on the following:
- on private land without the consent of the owner or occupant
- on public utility poles
- on trees or shrubs
- by painting or drawing on rocks or natural features
State law also prohibits the placement of signs in the highway right-of-way which applies to all state, county, city, and township roads and highways.