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OS/OW permits in Quebec

446 facts, each with the passage it comes from, quoted from 10 official sources.

Where to apply

Where an application for OS/OW permits is submitted in Quebec.

  • Online · Ministère des Transports

    Système de gestion des permis spéciaux ministériels (GPM)

    gpm.transports.gouv.qc.ca (opens in a new tab)

    The GPM system is accessible 24 hours a day, 7 days a week. To create a “carrier” customer account or to apply through an authorized representative, the registre d’identification (NIR) number of the Commission des transports du Québec or the certificat d’aptitude à la sécurité (CAS) number will be required. The start date of validity must be the same day or within the next three months.

Start with a question

Open a question to read the facts on file that bear on it.

General

72 topics

Permit required to exceed dimension limits (Yes or no)

Whether a vehicle or load exceeding any legal dimension or weight limit must obtain an oversize/overweight permit to operate.

Yes

Vehicle or load exceeding the dimension or load limits

Permit validity period (In words)

The period for which an oversize/overweight permit is valid, such as annual, seasonal, a maximum number of days, or a specific date range.

  • General permit

    Maximum one year

  • General permit

    Maximum duration of one year

  • Specific permit

    Maximum 7 consecutive days

  • Specific permit

    Maximum duration of 7 consecutive days

Permit validity period (Measures)

Number of permissible hauling days for which a permit is valid.

  • 365 daysGeneral permit
  • 7 daysSpecific permit

Permit required for oversize and overweight (In words)

The type of permit required when a load is both oversize and overweight.

Class 6

Maximum width (Measures)

Maximum overall width of the vehicle or combination, including load and equipment, permitted under the permit class.

  • 4.4 m14′ 5″Class 1, general category
  • 5 m16′ 5″Class 1, specific category
  • 4.3 m14′ 1.5″Class 2, width at the base, general category
  • 5 m16′ 5″Class 2, width at the base, specific category

Online permit management system name (In words)

Name of the online system the region provides for applying for and managing special hauling permits.

Ministerial special permit management system (GPM)

Permit route restriction (In words)

Description of the roads or areas on which the permit authorizes operation, such as selected state highways, designated highways, or a minimum pavement width.

  • Additional condition T

    Travel permitted on all public roads.

  • Additional condition U

    Travel permitted on the freeway network referred to in Schedule 4 of this Regulation.

Maximum length (Measures)

Maximum overall length of the vehicle or combination, including load and equipment, permitted under the permit class.

  • 40 m131′ 3″Any combination of road vehicles covered by a specific permit
  • 17 m55′ 9.5″Any other motor vehicle
  • 21 m68′ 11″Class 1, one crane
  • 17 m55′ 9.5″Class 1, one unit, one road vehicle

Permitted dimensions

6 topics Open Permitted dimensions

Maximum rear overhang (m) (Measures)

The maximum distance by which the load or equipment may project rearward beyond the rear of the vehicle.

  • 4 m13′ 1.5″Class 1, any other load or equipment
  • 4 m13′ 1.5″Class 1, other
  • 6 m19′ 8″Class 1, timber in lengths
  • 6 m19′ 8″Class 1, trees in lengths

Maximum height (m) (Measures)

The maximum overall height, including load and equipment, allowed under the permit.

  • 4.3 m14′ 1.5″Class 1, general category
  • 4.3 m14′ 1.5″Class 1, general category
  • 4.3 m14′ 1.5″Class 1, general permit
  • 5 m16′ 5″Class 1, specific category

Maximum width (m) (Measures)

The maximum overall width, including load and equipment, allowed under the permit.

  • 4.4 m14′ 5″Class 1, general category
  • 4.4 m14′ 5″Class 1, general category
  • 4.4 m14′ 5″Class 1, general permit
  • 5 m16′ 5″Class 1, specific category

Permitted weights and axle configuration

4 topics Open Permitted weights and axle configuration

Maximum gross weight (kg) (Measures)

The maximum total mass of the vehicle or combination of vehicles, including load and equipment.

  • 74,000 kg163,142 lb7-axle combination, 4 axles under semi-trailer, total combination weight, spacing 10 m
  • 36,000 kg79,366 lb7-axle combination, 4 axles under semi-trailer, tractor weight, spacing 10 m
  • 76,000 kg167,551 lbClass 5, combination of three vehicles, 7 or 8 axles
  • 79,000 kg174,165 lbClass 5, combination of three vehicles, 8 or 9 axles

Maximum axle weight (kg) (Measures)

The maximum mass permitted on a single axle or group of axles, including load and equipment.

  • 15,000 kg33,069 lbClass 4, single axle tow truck
  • 30,000 kg66,139 lbClass 4, tandem axle tow truck
  • 20,000 kg44,092 lbRear tandem axle of the tractor of a tractor, towed dolly and semi-trailer combination; tandem axle of the towed dolly
  • 9,000 kg19,842 lbThaw period, steering axle

Axle weight reduction per spacing deficit (kg) (Measures)

The amount, in kilograms, by which the permitted axle or gross weight is reduced for each complete 0.30 m by which the actual axle spacing falls below the spacing specified for the applicable vehicle configuration.

750 kg1,653 lb

Axle spacing less than specified

Validity and trip coverage

4 topics Open Validity and trip coverage

Maximum permit validity (days) (Measures)

The maximum period, in days, for which a permit of this category or class is valid.

  • 365 daysGeneral category
  • 365 daysGeneral permit
  • 30 daysGeneral permit, with a specified route
  • 365 daysGeneral permit, without a specified route

Return trip included in permit validity (Yes or no)

Whether the permit authorizes a return trip on the same route as part of the same permit, without requiring a separate permit.

Yesin 3 cases

  • Specific category
  • Specific permit
  • Specific permit

Maximum days ahead for permit validity start date (Measures)

The maximum number of days in advance of the requested start date that a permit application may specify as the beginning of the permit validity period.

90 days

In general

  • 90 daysIn general

Applications and amendments

5 topics Open Applications and amendments

Permit application requires signature (Yes or no)

Whether the permit application must be signed and dated by an authorized representative of the company.

Yes

Application processing maximum business days (Measures)

The maximum number of business days within which the government commits to process a permit application requiring in-depth analysis, provided the file is complete, accurate, and compliant.

15 days

In general

  • 3 daysCarriers with a “conditional” safety rating

Security rating required (Yes or no)

Whether a security rating (cote de sécurité) is required for the carrier to apply for the permit.

Yes

Permit 633

Permit travel conditions

13 topics Open Permit travel conditions

Toll highway travel allowed (Yes or no)

Whether the permit authorizes travel on toll highways, subject to the vehicle having a valid transponder.

Yesin 2 casesNoin 1 case

  • General condition 3
  • General condition 5
  • General condition 6

Load shift right required (Yes or no)

Whether the permit requires the load to be moved to the right side of the vehicle, as specified in the permit conditions.

Yesin 2 cases

  • General condition 13
  • Vehicles travelling in convoy

Bridge travel alone required (Yes or no)

Whether the permit requires the oversize or overweight vehicle to travel alone on bridges, without other vehicles, as specified in the permit conditions.

Yesin 5 cases

  • Condition B
  • Condition C, bridges with a single lane in the direction of travel
  • Condition E, bridges with signage prohibiting oversize vehicles
  • Condition L

Where these facts come from

  9. Demander et gérer un permis spécial(opens in a new tab)

    www.transports.gouv.qc.ca, web page, 22 facts