Colorado Revised Statutes Title 42. Vehicles and Traffic § 42-4-608. Signals by hand or signal device

(1) Any stop or turn signal when required as provided by section 42-4-903 shall be given either by means of the hand and arm as provided by section 42-4-609 or by signal lamps or signal device of the type approved by the department, except as otherwise provided in subsection (2) of this section.

(2) Any motor vehicle in use on a highway shall be equipped with, and the required signal shall be given by, signal lamps when the distance from the center of the top of the steering post to the left outside limit of the body, cab, or load of such motor vehicle exceeds twenty-four inches or when the distance from the center of the top of the steering post to the rear limit of the body or load thereof exceeds fourteen feet. The latter measurement shall apply to any single vehicle, also to any combination of vehicles.

(3) Any person who violates any provision of this section commits a class A traffic infraction.