Ontario Ministry of Transportation
Compliance Branch
Main Floor
East Building
301 St. Paul 3rd Floor
St. Catherines, Ontario, L2R7R4
PHONE: 416-246-7166

Hours of Business

8:00 AM - 4:30 PM (Eastern time)


When escorts are needed # of escorts
– Length from 120’7” (36.76m) to 150’1” (45.74m) 1 Front if on 2-lane roads, 1 Rear if on multi-lane roads
– Width from 13’1” (4m) to 15’ (4.59m); 1 Front if on 2-lane roads, 1 Rear if on multi-lane roads
– Width from 15’1” (4.6m) to 16’4” (4.99m) 1 Front & 1 Rear
– Height greater than 15’11” (4.87m) 1 High Pole required
– Overhang greater the 15’3” (4.65m) 1 Rear car on all routes

Consult your permit to determine when escorts are needed.


Loads exceeding 19’ 8” (6m) wide, 150’ 2” (45.75 m) long and/or 264,000 lbs (120,000 kg) are considered super loads.

Escort vehicle requirements can differ significantly by province in terms of mandatory driver qualifications, training, certifications, vehicle weights, obligatory signage/flags/lighting, necessary onboard equipment, and more. The ODS team can provide you with all additional requirements specific to your route.

Operating Times

Travel is allowed 30 minutes before sunrise to 30 minutes after sunset.

No travel Fridays from 3:00PM to midnight.

Night travel permitted on loads with a width less then 10’ (3.05m) and 82’ (25m and under 13’11” or 4.26m).

Weekend travel

Saturday and Sunday travel is allowed:

  • on single lane roads if under 12’1” (3.70m)
  • on multi-lane roads if under 12’7” (3.85) or 82’ (25m)

During summer months, no Sunday travel is allowed for all oversize vehicles.