Ariz. Admin. Code § R11-1-1237
Tools, materials and equipment, except properly secured rerailing devices, shall not be carried on top of locomotives or motors unless permanently installed boxes have been provided for that purpose.
Former Rule 12:37; Former Section R11-1-1237 repealed, new Section R11-1-1237 adopted effective August 18, 1980 (Supp. 80-4).