||06-06-2011 03:05 PM
pretty sure you can run doorless..
Colorado Revised Statutes, 42-4-226.
Mirrors - exterior placements.
(1) Every motor vehicle shall be equipped with a mirror or mirrors so located and so constructed as to reflect to the driver a free and unobstructed view of the highway for a distance of at least two hundred feet to the rear of such vehicle.
(2) Whenever any motor vehicle is not equipped with a rear window and rear side windows or has a rear window and rear side windows composed of, covered by, or treated with any material or component which, when viewed from the position of the driver, obstructs the rear view of the driver or makes such window or windows nontransparent, or whenever any motor vehicle is towing another vehicle or trailer or carrying any load or cargo or object which obstructs the rear view of the driver, such vehicle shall be equipped with an exterior mirror on each side so located with respect to the position of the driver as to comply with the visual requirement of subsection (1) of this section. This subsection (2) shall not apply to neighborhood electric vehicles.
(3) Any person who violates any provision of this section commits a class B traffic infraction.
Source: L. 94: Entire title amended with relocations, p. 2261, § 1, effective January 1, 1995. L. 97: (2) amended, p. 393, § 5, effective August 6.
Editor's note: This section was formerly numbered as 42-4-223 and the former section 42-4-226 was relocated to section 42-4-229.