Northwest Territories Oversize & Overweight Permits

Permits Canada obtains oversize and overweight permits for the Northwest Territories for trucks and loads over the legal width, height, length or weight.

Northwest Territories legal dimensions and weight

A truck and load within these limits needs no oversize or overweight permit in the Northwest Territories.

Width2.6 m (8 ft 6 in)
Height4.2 m (13 ft 9 in)
Length25 m (82 ft) overall for a tractor-semitrailer; semitrailer max 16.2 m (53 ft 2 in)
Gross weight39,500 kg (87,082 lb) for a 5-axle tractor-semitrailer (5,500 kg steer + 17,000 kg tandem drive + 17,000 kg tandem trailer)

Northwest Territories oversize permit rules

Permits offeredSingle trip oversize, Single trip overweight, Annual over width, Annual over height, Annual extended length, Annual winter road
EscortsOver 3.2 m (10 ft 6 in) wide: one front escort, except loads up to 3.85 m (12 ft 8 in) on enhanced-visibility highways (Hwy 1 from the Alberta border to Hwy 3, Hwy 2 and Hwy 3) showing amber flashing lights. Over 4.45 m (14 ft 7 in) wide: front and rear escorts. Over 29 m (95 ft 2 in) long: one rear escort, except up to 31 m (101 ft 8 in) on enhanced-visibility highways.

Seasonal weight restrictions can cut allowable axle weights to 75% on some highway sections, and ferry and ice-road limits apply seasonally.

Getting your permit with Permits Canada

  1. Send us the online oversize / overweight application with your truck, trailer, load dimensions and route.
  2. A permit agent applies for your Northwest Territories permit and checks the route conditions.
  3. Your permit arrives by email with its travel conditions. Oversize and overweight permits can take longer, since the authorities review each application.

Our fee is $40 to $50 CAD per permit, plus the Northwest Territories territorial fee, which depends on the dimensions, weight and route.

Also need temporary registration or fuel tax coverage? See Northwest Territories trip & fuel permits.

Northwest Territories oversize permit questions

When is an oversize permit required in the Northwest Territories?

When the truck or load exceeds the Northwest Territories legal limits: width 2.6 m (8 ft 6 in), height 4.2 m (13 ft 9 in), length 25 m (82 ft) overall for a tractor-semitrailer; semitrailer max 16.2 m (53 ft 2 in).

What is the legal gross weight in the Northwest Territories?

The legal gross weight in the Northwest Territories is 39,500 kg (87,082 lb) for a 5-axle tractor-semitrailer (5,500 kg steer + 17,000 kg tandem drive + 17,000 kg tandem trailer). A heavier truck needs an overweight permit.

When are pilot or escort vehicles required in the Northwest Territories?

Over 3.2 m (10 ft 6 in) wide: one front escort, except loads up to 3.85 m (12 ft 8 in) on enhanced-visibility highways (Hwy 1 from the Alberta border to Hwy 3, Hwy 2 and Hwy 3) showing amber flashing lights. Over 4.45 m (14 ft 7 in) wide: front and rear escorts. Over 29 m (95 ft 2 in) long: one rear escort, except up to 31 m (101 ft 8 in) on enhanced-visibility highways.

How much does a Northwest Territories oversize permit cost?

Permits Canada charges $40 to $50 CAD per permit, plus the Northwest Territories territorial fee, which depends on the dimensions, weight and route.

Last reviewed October 2026. Rules change; your permit agent confirms them for each move. All provinces and states