Maine Revised Statutes Title 29-A. Motor Vehicles § 1952. Flares; emergency signals

1. Carry flares. Except as provided in subsection 1-A, a truck or truck tractor with a registration for operation with gross vehicle weight in excess of 10,000 pounds must be equipped with 2 red flags, 3 flares and 3 red lanterns or red emergency reflectors.

1-A. Flares prohibited. A vehicle transporting inflammable liquids or gas in bulk may not carry flares.

2. Disabled vehicle. When a truck or truck tractor with a registration for operation with gross vehicle weight in excess of 10,000 pounds is disabled on a public way, the operator shall, during the time that lights are required to be illuminated, place emergency signals as follows:

When lights are not required to be illuminated, red flags must be used, except that no flag is required to be placed at the side of the vehicle.