Road-work vehicles could use green warning lights

Authorized vehicles and equipment may be equipped with green revolving or flashing lights and may use them during listed work or emergency operations. The covered vehicles include trucks, off-highway vehicles, farm tractors, and specialized construction equipment used for road or bridge work, traffic control, emergency operations, or bad-weather operations. The vehicle or equipment must fit one of the listed categories or be used by an authorized emergency or public agency. The light may be used only for the situations listed in the section, including work scenes, traffic control, emergency operations, and bad-weather operations. The text applies when a covered vehicle or piece of equipment is being used for the listed work or operations.