OAR 734-073-0060: Truck-Tractor with Semitrailer Combinations — State-Approved Highways

(1) The length of a semitrailer in a truck-tractor and semitrailer combination shall not exceed 53 feet. The overall length of the combination shall not exceed 65 feet. (2) The length of any load carried on the semitrailer authorized in section (1) of this rule, shall not extend beyond the rear of the semitrailer by more than five feet. (3) State approved highways for the movement of combinations of vehicles described in section (1) of this rule, shall consist of the state highways designated by the Chief Engineer. The list of approved highways and types of vehicle combinations authorized are maintained by the Chief Engineer, and are displayed in black on Route Map 7, revised August 2023. Route Map 7 is by reference made part of Division 73 rules, and is available from the CCD Over-Dimension Permit Unit.