C.R.S. § 38-4-105
38-4-105. Common carriers - fees
38-4-105. Common carriers - fees. Any such corporations organized or chartered for any or all of the purposes mentioned in sections 38-4-101 to 38-4-104 shall be deemed common carriers and shall fix and charge only a reasonable and uniform rate to all persons who desire the use of any such tunnel, pipeline, electric power transmission lines, or aerial tramway.