(a) One or more amber flashing lights may be displayed:
(1) By a tow truck while at the scene of an accident or a disabled vehicle or while towing a vehicle; and
(2) By snow removal and other highway maintenance and service equipment and escort vehicles.
(b) (1) Subject to paragraph (2) of this subsection, a participant in a citizens on patrol group or other community watch group may display on a vehicle while on patrol in the community one or more amber flashing lights.
(2) An amber flashing light:
(i) May only be displayed if allowed by a law enforcement agency designated by the governing body of the applicable county or municipal corporation; and
(ii) Shall be extinguished at the request of a uniformed law enforcement officer.
(3) The law enforcement agency may require that a sign meeting specifications set by the agency appear on the vehicle that identifies the group conducting the patrol while the amber flashing light is displayed.
(c) (1) A security guard agency licensed under Title 19 of the Business Occupations and Professions Article may equip its vehicles with one or more amber flashing lights.
(2) A person operating a vehicle equipped with amber flashing lights under this subsection may activate the lights only while on duty on property that the agency is responsible for patrolling.
Structure Maryland Statutes
Title 22 - Vehicle Laws -- Equipment of Vehicles
Subtitle 2 - Lamps and Other Lighting Equipment
Section 22-201 - "Service Vehicles" Defined
Section 22-201.1 - When Lighted Lamps Are Required
Section 22-201.2 - Use of Headlights When Windshield Wipers Are Operated
Section 22-202 - Visibility Distance; Measuring Mounted Height of Lamps
Section 22-203 - Headlamps on Motor Vehicles and Motorcycles
Section 22-204 - Tail Lamps; Illumination of Rear Registration Plate
Section 22-206 - Stop Lamps and Turn Signals
Section 22-208 - Clearance, Identification, and Marker Lamps and Reflectors Required
Section 22-210 - Mounting of Reflectors, Clearance Lamps, and Side Marker Lamps
Section 22-212 - Obstructed Lamps Not Required to Be Lighted
Section 22-213 - Lamps, Reflectors, and Flags on Projecting or Extended Loads
Section 22-214 - Lamps on Parked Vehicles
Section 22-215 - Lamps on Farm Tractors and Farm Equipment
Section 22-215.1 - Rollback Vehicle Operated in Combination With Vehicle Being Towed
Section 22-216 - Lamps on Other Vehicles and Equipment
Section 22-217 - Spot Lamps, Fog Lamps, and Auxiliary Driving Lamps
Section 22-218 - Audible and Visual Signals on Vehicles
Section 22-218.1 - Rural Letter Carrier's Warning Device
Section 22-218.2 - Amber Lights on Tow Trucks, Escort, and Maintenance Vehicles
Section 22-219 - Signal Lamps and Signal Devices
Section 22-221 - Additional Lighting Equipment
Section 22-222 - Multiple-Beam Road-Lighting Equipment
Section 22-223 - Use of Multiple-Beam Road-Lighting Equipment
Section 22-225 - Alternate Road-Lighting Equipment
Section 22-226 - Number of Driving Lamps Required or Permitted
Section 22-227 - Special Restrictions on Lamps
Section 22-228 - Special Equipment on School Vehicles
Section 22-230 - Selling or Using Lamps or Equipment
Section 22-232 - Revocation of Certificate of Approval on Lighting Devices