Infrastructure

Condition Legend
OPEN
CROSSING OPEN
CLOSED
CROSSING CLOSED
ROAD ADVISORY
Access Roads

This map is interactive; click on it to see important information about specific transportation routes.

Road Legend
Mackenzie Highway
Hay River Highway
Yellowknife Highway
Ingraham Trail
Fort Smith Highway
Fort Resolution Highway
Liard Highway
Dempster Highway
Tuktoyaktuk Highway
Road Camera
camera
image/svg+xml Inuvik Tsiigehtchic Paulatuk Tuktoyaktuk Aklavik Fort McPherson Ulukhaktok Sachs Harbour Colville Lake Fort Good Hope Norman Wells Déline Tulità Wrigley Fort Simpson Jean Marie River Nahanni Butte Whatì Fort Liard Fort Providence Trout Lake Behchokò Yellowknife Fort Smith Fort Resolution Lutsel K'e Wekweètì Gamètì Dettah Kakisa Enterprise Hay River 1 3 1 1 2 5 3 4 5 6 7 9 8 10

Travel Notices 

Updated on December 8, 2022

 Highway 7 (kilometre 20-34)

Current until June early 2023

  • Posted speed is reduced to 60 km/h for winter season.

Highway 5 (km 187.4): Preble Creek Bridge

Current until November 17, 2022.

  • Single lane traffic only (alternating flow) from 8 a.m. to 6 p.m.
  • Drivers must obey all warning signs, flag persons, traffic control devices and posted speed limits within construction zones. Fines doubled in construction zones.
  • Short delays can be expected.

Highway 1 (kilometre 35)

  • Crews at work.
  • Obey posted traffic control personnel and posted speed limits. 
  • Watch for people and equipment working.
  • Expect delays.

Highway 1 (kilometre 411.2): Jean Marie River Bridge

Current until further notice.

  • Single lane traffic only (alternating flow).
  • Drivers must yield to oncoming traffic.
  • Reduced speed limit of 40 km/h.

Highway 1 (kilometre 222-234): West of Highway 3 junction

Current until May 2023

  • posted speed is reduced for winter season

Seasonal Weight Restrictions

Effective November 7, 2022


No weight restrictions (normal conditions):

  • Hwy 1 Km 0 – Km 188
  • Hwy 2 Km 0 – Km 49
  • Hwy 3 Km 0 – Km 338
  • Hwy 8 Km 0 – Km 272.5
  • Hwy 10 Km 0 – Km 133.6


General Notice for 100% Legal Axle Weight:

  • Hwy 1 Km 188 – Km 690 
  • Hwy 4 Km 0 – Km 69
  • Hwy 5 Km 0 – Km 266
  • Hwy 6 Km 0 - Km 90
  • Hwy 7 Km 0 - Km 254
  • Hwy 9 Km 0 – Km 97
  • Community Access Roads – 100 % legal axle weight


Special Advisory Notice for 75% Legal Axle Weight:       

  • N/A

Effective December 12, 2022


Winter Load Tolerances (WLT) will be allowed on the following NWT Highways:

  • Hwy 1 Km 0 – Km 690 (excluding Liard & Mackenzie River/Ndulee ice crossings)
  • Hwy 2 Km 0 – Km 49
  • Hwy 3 Km 0 – Km 338
  • Hwy 4 Km 0 – Km 69
  • Hwy 5 Km 0 – Km 266
  • Hwy 6 Km 0 – Km 90
  • Hwy 7 Km 0 – Km 254
  • Hwy 8 Km 0 – Km 272.5 (excluding Peel & Mackenzie River ice crossings)
  • Hwy 9 Km 0 – Km 97
  • Hwy 10 Km 0 – Km 133.6

For all other road tolerances, please refer to the highway map above.

Vehicle Configuration, with regulated weights

Gross Vehicle Weight (kg)

Winter Load Tolerances (kg)

Single Axle Straight Truck

16,400

16,900

Tandem Axle Straight Truck

24,300

25,300

Tridem Axle Straight Truck

31,300

32,800

Straight Truck Combination Full Trailer

53,500

57,000

Tandem Axle Semi-Trailer/Truck Tractor

39,500

41,500

Tridem Axle Semi-Trailer/Truck Tractor

46,500

49,000

A-Train Truck and Trailer

53,500

53,500

B-Train Truck and Trailer Combinations

63,500

63,500

C-Train Truck and Trailer Combinations

58,500

58,500