1 Colo. Code Regs. § 301-25-31.0

Current through Register Vol. 47, No. 22, November 25, 2024

Section 1 CCR 301-25-31.0 - Lamps and Signals

31.1 All lamps, signals, reflectors and their installation shall conform to the requirements of The Society of Automotive Engineers, Inc. (SAE) J2442. No lettering, symbols, or arrows, except manufacturer's markings, shall be on any lens.

31.2 Tail and stop (brake) lamps:

31.02(a) The bus shall be equipped with four combination red stop/tail lamps. Two combination stop lamps shall have a lens diameter of at least seven- inches or 38.48 square inches. Two combination tail lamps shall have a lens diameter of at least 4 inches or 12 1/2 square inches.

31.02(b) If the bus is equipped with a retarder, secondary braking system/or another system that supplements the service brake system, the four brake lamps shall be illuminated when the braking system or other supplemental system is activated.

31.3 Interior lamps: Interior lamps shall be provided which adequately illuminate the aisle. A separate lamp shall be provided in the step well.

31.4 Back-up lamps: Back-up lamps shall have a lens diameter of at least 7 inches or 38.48 square inches, or a 4-inch LED shall be provided.

31.5 Turn signal lamps:

31.05(a) The bus shall be equipped with two amber turn signals in front and two amber turn signals in the rear. The rear turn signal shall be at least 7 inches or a total of 38.48 square inches in diameter.

31.05(b) On buses over 30 feet, a minimum of one additional turn signal shall be mounted on each side below the window and behind the service door axis plane.

31.6 All school buses shall be equipped with an alternating flashing eight-way warning signal lamp system

31.7 The amber flashing warning signal lamps shall be energized manually by a switch. The flashing red warning signal lamp system shall be a sequential mode type.

31.8 The flashing warning signal lamp system shall have two pilot or indicator lights; one shall show amber light when the amber signal lamps are flashing and the other shall show red light when the red signal lamps are flashing.

31.08(a) The areas around the lens of each alternating flashing signal lamp shall be black.

31.08(b) Visors shall be provided and securely mounted to adequately shade and protect the dual-lamp assemblies from sunlight above but not to obstruct the rear and side effectiveness of the warning lamps. LED warning signal lamps are not required to use visors.

31.9 Type D rear engine buses shall have two hazard lamps each visible to the rear when the engine door is open. The lamps shall be wired to be illuminated when the main hazard lamp circuit is energized.

31.10 A white flashing strobe light may be installed on the roof of a school bus. An amber lens may be used upon approval of a local traffic regulatory authority. The light shall have a single clear lens emitting light 360 degrees around its vertical axis and may not extend above the roof more than eight inches. A manual switch and a pilot light must be included to indicate when the light is in operation. The lamp must not be capable of activating emergency traffic control light switches.

1 CCR 301-25-31.0

38 CR 07, April 10, 2015, effective 4/30/2015

46 CR 14, July 25, 2023, effective 8/14/2023

47 CR 19, October 10, 2024, effective 10/30/2024