If you approach a vehicle with a triangular reflective orange sign on its rear, you must

Explanation

A triangular orange emblem on the rear of a vehicle identifies it as a low-speed vehicle, which North Dakota defines as a vehicle that can travel faster than 20 mph but not faster than 25 mph. Low-speed vehicles include farm tractors and roadway maintenance vehicles. If you approach one of these vehicles, slow down and proceed with caution.