Permits are valid for 5 consecutive days. Driver must have permit prior to entering the state.

Loads not exceeding 12′ wide, 13’6″ high or 150′ long are allowed continuous travel.  Loads greater than 12′ wide, 13’6″ high or 150′ long are not permitted to travel during hours of darkness, and from Noon on Saturday until sunrise on Sunday. Overweight only are allowed continuous travel, including weekends and holidays, unless otherwise specified on the permit.

Travel is restricted from 4:00 p.m. – 8:00 p.m. the day prior to a holiday and on major holidays and holiday weekends. Travel is restricted in these counties: Columbia, Dane, Milwaukee, Rock or Waukesha between 4:00 p.m. – 8:00 p.m. on Sundays, and between 4:00 p.m. – 8:00 p.m. on Fridays between the fourth Friday in May and Labor Day. Travel is restricted from 6:00 a.m. – 9:00 a.m. and 3:00 p.m. – 6:00 p.m. Monday through Thursday; 6:00 a.m. – 9:00 a.m. and 3:00 p.m. – 8:00 p.m. on Friday and 3:00 p.m. – 8:00 p.m. on Sunday if traveling on the Milwaukee County Expressway.

Width: 8’6″
Height: 13’6″
Length: 53′ semi-trailer on designated highways (where kingpin to axle does not exceed 43′), 75′ overall on other roads
Overhang: 3’ front; 4’ rear
Weight: 80,000 Gross; Single – 20,000; Tandem – 34,000; Tridem – 42,000

Width: 16′
Height: Depends on routes
Length: No set limit
Weight: Single – 20,000 (with 4 tires); Tandem – 65,000; Tridem – 81,000; Quad – 90,000

Width: Over 15′ – 1 escort
Height: Depends on route
Length: Usually not required

“Oversize Load” signs are required when vehicle exceeds 10′ wide or is over length. Red or orange flags, 18″ square, are required at the front and rear corners of over width loads, and at the widest point of any load which is more than 4″ wider than the vehicle or the front or rear corners of the load. An overhang requires a single flag to be fastened at the extreme rear of the load if the overhang or projecting portion is 2′ wide or less. If overhang is over 2′ wide, 2 flags are required. When moving during hours of darkness, lights are required at the outermost extremities, an amber lamp is needed in the front and a red lamp is needed at the rear. Amber lights are also required where the load extends beyond the width of the front or rear edges. When load overhangs more than 4′ beyond the rear of the vehicle, red lamps are required to indicate maximum width and length.