Minn. R. 8830.9921
ADVANCE-WARNING SIGNS
Subpart 1. Advance-warning sign W10-1. W10-1 Yellow background Subp. 2. Advance-warning sign W10-2. W10-2 Yellow background Subp. 3. Advance-warning sign W10-3. W10-3 Yellow background Subp. 4. Advance-warning sign W10-4. W10-4 Yellow background