Maine speed limits — Maine Permit Test

Unless posted otherwise, the maximum speed in Maine outside a business, residential or built-up area is 45 mph.

Without a default limit, an unsigned country road would have no limit at all.

45 Miles per hour outside any business or residential or built-up area of Maine.

Unless posted otherwise, the maximum speed in a Maine business district, residential district or built-up area is 25 mph.

Houses, driveways and children close to the street leave no time to stop at higher speeds.

25 Miles per hour in a business district, residential district, or built-up area of the state.

A posted speed limit is only the most you may drive; if road or weather conditions make that speed unsafe, you must slow down.

A 45 mph sign does not make 45 safe on a snowy, dark night.

Posted speed limits do not tell you at what speed you must drive. They only say you cannot go faster than the speed shown. If road and weather conditions make the posted speed unsafe, you must slow down.

Maine law says you must not drive so slowly that you interfere with the normal and reasonable movement of traffic, except where a lower speed is needed for safety.

A crawling car makes others bunch up and pass where it is not safe.

Maine law also says you must not drive so slowly that you interfere with the normal and reasonable movement of traffic except where reduced speed is necessary for safety.

Unless posted otherwise, what is Maine's maximum speed outside a business, residential or built-up area?

45 mph. Without a default limit, an unsigned country road would have no limit at all. Maine Driver’s License Manual, p.81: “45 Miles per hour outside any business or residential or built-up area of Maine.”