C.R.S.
Section 42-4-210
Lamps on parked vehicles
(1)
Whenever a vehicle is lawfully parked upon a highway during the hours between sunset and sunrise and in the event there is sufficient light to reveal any person or object within a distance of one thousand feet upon such highway, no lights need be displayed upon such parked vehicle.(2)
Whenever a vehicle is parked or stopped upon a roadway or shoulder adjacent thereto, whether attended or unattended, during the hours between sunset and sunrise and there is not sufficient light to reveal any person or object within a distance of one thousand feet upon such highway, such vehicle so parked or stopped shall be equipped with one or more operating lamps meeting the following requirements: At least one lamp shall display a white or amber light visible from a distance of five hundred feet to the front of the vehicle, and the same lamp or at least one other lamp shall display a red light visible from a distance of five hundred feet to the rear of the vehicle, and the location of said lamp or lamps shall always be such that at least one lamp or combination of lamps meeting the requirements of this section is installed as near as practicable to the side of the vehicle that is closer to passing traffic. This subsection (2) shall not apply to a low-power scooter.(3)
Any lighted head lamps upon a parked vehicle shall be depressed or dimmed.(4)
Any person who violates any provision of this section commits a class B traffic infraction.(5)
This section shall not apply to low-speed electric vehicles.
Source:
Section 42-4-210 — Lamps on parked vehicles, https://leg.colorado.gov/sites/default/files/images/olls/crs2023-title-42.pdf
(accessed Oct. 20, 2023).