Highway alert: All construction along Trans-Canada Highway will halt during the May long weekend; however reduced speed limits and traffic detours will remain in place. Though Parks Canada will take all necessary steps to help alleviate traffic congestion, some travel delays can still be expected and drivers should plan accordingly. For road closures and road conditions for British Columbia highways call Drive BC at 1-800-550-4997 or visit www.drivebc.ca.
View highway alerts for all regions.
Want to know the conditions in a specific region? Use our regions map for detailed information on highways in your area.
Remember to Give Us Room to Work
When you encounter a stopped emergency response or tow vehicle with flashing lights slow down to 60 km/hr or slower, and move over a lane if it is safe to do so.
Road still passable for majority of vehicles; speed greatly reduced and long delays may be experienced.
Road conditions:
Significant amounts of snow / ice on surface, especially in wheel paths
Drifting snow partially blocking driving lanes
Slippery roads from freezing rain/ ice build up / frost
Black ice over long stretches of highway
Roads rutted from snow / ice / frozen slush build up
Weather conditions:
Freezing rain causing ice build up
Heavy snow or hail White out
Maintenance unable to keep up
Strong winds causing large drifts blocking lanes
Visibility:
Restricted
Less than 200 m
Road still passable, reduced speeds required and some delays may be experienced.
Road conditions:
Small amount of snow / ice accumulation on road surface and in wheel paths
Drifting snow blowing
“Finger drifts” of snow accumulating on shoulders and into driving lanes
Some ice or black ice in predictable areas: bridge decks, hills, curves
Small amount of slush on the road surface
Weather conditions:
Heavy snow, rain or hail
Strong winds or blowing snow
Fog patches
Visibility:
Partially limited
Between 200 m and 500 m
Conditions not affecting, or minimally affecting, traffic flow.
Road conditions:
Bare dry, bare wet, or chemically wet*
Snow and ice removed from driving lanes; excessive loose snow removed from the shoulders and centre line
Light snow cover: ice and packed snow between wheel paths and on centre line OK; little to no snow on shoulders
Short sections of ice and packed snow acceptable
*Pavement is considered chemically wet when salt has been applied and the temperature is below 0°C
Weather conditions:
Good
Light snow, rain or fog
Visibility:
Good
Greater than 500 m
Road impassable due to weather conditions, collisions blocking the road, or both.
Road conditions:
Impassable
Weather conditions:
Extreme weather due to: snow or ice storm, ice build up, heavy snow / drifting snow, maintenance unable to keep up, flooding, or heavy smoke / fire
Visibility:
Zero visibility
Roads impassable
Construction is in progress on this segment of road.
Overall driving conditions are unreported.
Please note this report is only updated when Alberta Transportation’s Highway Maintenance Contractors and Parks Canada observe and report conditions. Alberta Transportation’s Highway Maintenance Contractors and Parks Canada do not provide 24 hour reporting of highways. Please be alert for changing conditions. Actual conditions may vary from those reported.