ARM 18.8.513
ARM 18.8.513. MAXIMUM WIDTH DIVISIBLE LOADS
Cite as Mont. Admin. R. 18.8.513
(1) A single trip or term permit may be issued for divisible loads:
(a) up to 9 feet wide; or
(b) up to 9 1/2 feet wide for small square baled hay; or
(c) up to 10 feet wide for large square baled hay without a hay rack; or
(d) up to 12 feet wide for large square baled hay with a hay rack; or
(e) up to 12 feet wide for large round baled hay or empty trailers with a hay rack.