No person shall hang on or otherwise attach their person to the outside, top, hood, or fenders of any vehicle, or to any other portion thereof, other than the specific enclosed portion of the vehicle intended for passengers or while in a sitting position in the cargo area of a vehicle if the area is fully or partially enclosed on all four (4) sides, while the same is in motion; nor shall the operator knowingly permit any person to hang on, or otherwise attach their person to the outside, top, hood, or fenders of any vehicle, or any other portion thereof, other than the specific enclosed portion of the vehicle intended for passengers or while in a sitting position in the cargo area of a vehicle if the area is fully or partially enclosed on all four (4) sides, while the same is in motion. This section shall not apply to parades, caravans or exhibitions which are officially authorized or otherwise permitted by law.
The above provisions shall not apply to a vehicle owned by the United States government or any agency or instrumentality thereof, or to a vehicle owned by the State of Colorado or any of its political subdivisions, or to a privately owned vehicle when operating in a governmental capacity under contract with or permit from any governmental subdivision or under permit issued by the Public Utilities Commission of the State of Colorado when, in the performance of their duties, persons are required to stand or sit on the exterior of the vehicle and the vehicle is equipped with adequate handrails and safeguards. (1968 Code §6-23-2; Ord. 75-86; Ord. 01-42)