Colorado Revised Statutes Title 40. Utilities § 40-29-111. Compliance

(1) It is the duty of all persons engaged in the operation of railroads to comply with any regulation or order of the commission issued under the provisions of section 40-29-110 and to furnish any information required by the commission for purposes of section 40-29-110. The provisions of said section shall not apply to any caboose operated on tracks of less than standard gauge nor to any caboose used only in yard service.

(2) The commission or its authorized agent may, during reasonable hours, enter the place of operation of any person engaged in the operation of railroads for the purpose of ascertaining whether the standards prescribed by authority of section 40-29-110 are being complied with.