area of a highway with construction, maintenance, or utility work activities

NOTE 1 to entry A work zone is typically marked by signs, channelizing devices, barriers, pavement markings, and/or work vehicles.

NOTE 2 to entry A work zone extends from the first warning sign or high-intensity rotating, flashing, oscillating, or strobe lights on a vehicle to the END ROAD WORK sign or the last Temporary Traffic Control device.