Use of revolving or flashing green light.
Del. Code tit. 21, § 4356A
in effect(a) A motor vehicle, truck tractor, OHV, farm tractor, or specialized construction equipment may be equipped with a green revolving or flashing light if the motor vehicle, truck tractor, OHV, farm tractor, or specialized construction equipment meets any of the following requirements:
(1) Is used by a fire department or police department.
(2) Is designated or authorized as an emergency vehicle by the Secretary of the Department of Safety and Homeland Security and used by a federal, state, county, or municipal agency or public service corporation.
(3) Is used for road or bridge construction, maintenance or repairs, as well as traffic control, emergency operations, or inclement weather operations.
(b) A motor vehicle, truck tractor, OHV, farm tractor, or specialized construction equipment authorized under subsection (a) of this section to be equipped with a green revolving or flashing light may only use the light as follows:
(1) When the motor vehicle is in service at an accident, fire, or disaster scene to signify a command post to which fire or police officials may report for instructions or orders.
(2) If the motor vehicle is a hazardous material response vehicle traveling to an accident, fire, or disaster scene at the request of a fire department or police department.
(3) When the motor vehicle, truck tractor, OHV, farm tractor or specialized construction equipment is actively being used for road or bridge construction, maintenance or repairs, as well as traffic control, emergency operations, or inclement weather operations.
Source: DE Code (Official Site)URL: https://delcode.delaware.gov/title21/c043/sc02/index.htmlFetched: 10/4/2026