Mobile/modular homes in Ontario
29 facts, each with the passage it comes from, all quoted from Guide to oversize/overweight vehicles and loads.

Where to apply
Where an application for Mobile/modular homes is submitted in Ontario.
Phone · Ministère des Transports
Bureau de délivrance de permis, par téléphone
Contact the permit issuing office during business hours if the route indicated on your permit needs to be changed.
Phone · Ministère des Transports
Bureau de délivrance de permis, par téléphone (sans frais)
Contact the permit issuing office during business hours if the route indicated on your permit needs to be changed.
Mail · Ontario Ministry of Transportation (MTO) Permit Issuing Office
Permit Issuing Office, by mail
301 St. Paul Street, 3rd Floor, St Catharines, Ontario, L2R 7R4
Application forms must be completed in full. Incomplete applications will be returned.
In person · Ontario Ministry of Transportation (MTO) Permit Issuing Office
Permit Issuing Office
301 St. Paul Street, 3rd Floor, St Catharines, Ontario, L2R 7R4
Email · Ministry of Transportation
Oversize/Overweight Permit Office, by email
Use it when: For Permitting and Registration for International Registration Plan and Oversize/Overweight (PRIO) online permitting system account set up, tow truck certificate applications, special vehicle configuration permits or project permits
Fax · Ministry of Transportation
Highway Operations Permits Office, by fax
905-704-2545
Use it when: Until January 1, 2026
Download and complete an application form. Include payment (Canadian funds only) by visa or Mastercard using an authorization form, cheque made out to the Ministry of Finance, bank draft, money order or certified cheque made out to the Ministry of Finance.
Start with a question
Open a question to read the facts on file that bear on it.
Facts
4 topics
Maximum length (Measures)
Maximum permitted overall length of the vehicle or combination of vehicles, including load and equipment, as authorized by the special permit.
- 25 m82′ 0.5″Annual permit, combination vehicles
- 12.5 m41′Annual permit, single vehicle
- 23 m75′ 5.5″Combination of vehicles and load
- 25 m82′ 0.5″Night moves, overlength/overwidth
Maximum height (Measures)
Maximum permitted overall height of the vehicle, including load and equipment, as authorized by the special permit.
4.15 m13′ 7.5″
In general
- 4.26 m13′ 11.5″Annual permit
- 4.26 m13′ 11.5″Night moves, overheight/overweight
- 4.26 m13′ 11.5″Project permit, single vehicle
- 4.26 m13′ 11.5″Single trip permit, flatbed trailer
Maximum width (Measures)
Maximum permitted overall width of the mobile/modular unit and trailer, inclusive of roof overhang, measured in metres.
2.6 m8′ 6.5″
In general
- 3.85 m12′ 7.5″Annual permit, multi-lane highways
- 3.7 m12′ 1.5″Annual permit, two lane highways
- 3.05 m10′Night moves, overlength/overwidth
- 4.3 m14′ 1.5″Project permit
Maximum rear overhang (Measures)
Maximum permitted distance by which the load or equipment may project beyond the rear of the vehicle, measured in metres.
4.65 m15′ 3″
Where these facts come from
- Guide to oversize/overweight vehicles and loads(opens in a new tab)
www.ontario.ca, web page, 29 facts