Winter Road Conditions in Newfoundland and Labrador are reported based on the Transportation Association of Canada (TAC) Terminology. There are nine (9) potential road conditions reported under the following categories: Bare, Partly Covered, Covered and Closed.
Visibility is also reported under the TAC guidelines.

Bare Category:
All Wheels of a passenger vehicle are on a bare surface, and some patches of snow and ice may be present
- Bare and Dry: Most the road surface is dry
- Bare and Wet: Most of road surface is moist

Partly Covered Category:
Two wheels of a passenger vehicle are on a bare surface
- Partly Ice Covered: Two wheels of a passenger vehicle are on a bare surface and the other wheels are likely to be on ice.
- Partly Snow Packed: Two wheels of a passenger vehicle are on a bare surface and the other wheels are likely to be on snow bonded to the road.
- Partly Snow Covered: Two wheels of a passenger vehicle are on a bare surface and the other wheels are likely to be on loose snow.

Covered Category:
All wheels of a passenger vehicle are on snow or ice.
- Ice Covered: All wheels of a passenger vehicle are on ice.
- Snow Packed: All wheels of a passenger vehicle are on snow bonded to the road.
- Snow Covered: All wheels of a passenger vehicle are on loose snow.

Closed Category:
Road closed due to flooding, RCMP direction, etc.
- Road Closed
Visibility Conditions

Good:
Visibility is more than 500 metres over your entire route.

Fair:
Visibility is between 250 and 500 metres at specific locations.

Poor:
At certain locations, conditions may suddenly reduce visibility to less than 250 meters.