C.R.S. § 42-20-404

All vehicles carrying nuclear materials entering the state on the public highways shall be inspected by a Colorado state patrol officer or a port of entry officer, as defined in section 42-8-102 (3), at the nearest point at which the shipment enters the state or at a location specified by the Colorado state patrol. For all shipments originating within the state, inspection shall be made at the point of origination by a Colorado state patrol officer or a port of entry officer. Inspections conducted by Colorado state patrol officers or port of entry officers shall be in accordance with the rules promulgated pursuant to sections 42-4-235 , 42-20-108 (2), and 42-20-403 .