State Police : (410) 768-7388
OD Permits : (410) 582-5734
Road Conditions : Live Map
Registration maximum weight (cab card) : 80000
Operating time : One-half hour before sunrise to one-half hour after sunset, Monday through Friday and Saturday until Noon (see Restricted Travel, below, for some exceptions).
No movements across any toll facilities allowed from noon Friday until 9:00 A.M. Monday. This restriction is also applied to all of I-95 from Baltimore to the Delaware line. Over 12' wide or over 92,000 pounds can only travel 9:00 A.M. to 3:30 P.M. (and Saturday until Noon) when on the Capital Beltway I-495/I-95 and Baltimore Beltway I-695. If 14' wide or more, travel is only allowed from 9:00 A.M. to 3:30 P.M. (and Saturday until Noon on any highway. No travel on six major Holidays and Holiday weekends.
BALTIMORE CITY: Baltimore permits for the predefined route into or out of Dundalk Marine Terminal are now included with the Maryland state permit provided the dimensions are under 120,000 pounds, 12' wide, 14'6" high and 85' long. Loads with other Baltimore destinations or origins, or loads exceeding these dimensions have to be ordered separately from Baltimore City, which is usually slow with a 24-hour (minimum) turn-around time.
Weights : 120,000 (non-Interstate) to 150,000 (Interstate) Single – 27,000 ,Tandem – 52,000 ,Tri Axle – 63,000. Loads exceeding these weights are treated as super loads. Over 120,000 pounds gross on any non-Interstate routes is a super load.
Size : Width: 16' Height: 16' (over height cannot be permitted on a flatbed) . Over 14'6" now requires a route survey. Length: 120'.Loads exceeding these dimensions are treated as super loads.
Escorts : Width: Over 13' – 1 escort; 14' or more – 2 escorts; at 16' or more – Police escort. Montgomery and Prince George Counties: loads over 12' wide on 2-lane undivided – 2 escorts Length: Over 85' – 1 escort; 140' or more – 2 escorts. Height: 14'6" or more – 1 escort with height pole (some routes may have other requirements), and a route survey must accompany application. Weight: Over 120,000 pounds – 1 civilian escort, and Police escort is required on entire route if any part of the route is on non-Interstate highways; over 130,000 pounds - Police escort is required even on Interstate-only routes.
Signs : "Oversize Load" or "Wide Load" signs are required if the vehicle and load exceeds 9' in width.
General : Permits valid for five travel days. Must have permit prior to entering the state. Construction equipment can have blade or bucket attached up to 12' wide. Detached blade and bulldozer cannot be hauled on same load if it is overweight. The blade has to be hauled separately.