486.23 WIDTH OF VEHICLE OR LOAD.
   (a)   The total outside width of a vehicle or the load on a vehicle shall not exceed ninety-six inches, except as otherwise provided in this section.
   (b)   The total outside width of a farm tractor or farm implement or machinery shall not exceed 186 inches. An agricultural implement wider than 108 inches shall not be moved on the highway between the hours of sunset and sunrise.
   (c)   The total outside width of the load of a vehicle hauling concrete pipe, agricultural products or unprocessed logs, pulpwood or wood bolts, shall not exceed 108 inches.
   (d)   When pneumatic tires, in substitution for the same type or other type of tires, have been or are placed upon a vehicle in operation on a highway, the maximum width from the outside of one wheel and tire to the outside of the opposite wheel and tire shall be 102 inches, but the outside width of the body of the vehicle or the load on the vehicle shall not exceed ninety-six inches.
   (e)   The total outside width of a bus shall not exceed 102 inches.
   (f)   A vehicle or farm tractor, farm implement or machinery shall not extend beyond the centerline of a State trunk line highway except when legally authorized by law. If the width of the farm implement or machinery would make it impossible to stay away from the centerline, a permit shall be obtained.
   (g)   A person who violates this section is responsible for a civil infraction.
(Res. 93-512. Passed 7-26-93.)