10th Avenue SW in Calgary Closed After Early Morning Downtown Fire
Calgary's 10th Avenue SW closed due to downtown fire

A significant structure fire in downtown Calgary prompted emergency closures along a key roadway during the early hours of Wednesday morning.

Road Closure and Emergency Response

Part of 10th Avenue S.W. was closed to all traffic as fire crews responded to the blaze. The incident was reported in the early morning of Wednesday, December 17, 2025. The Calgary Fire Department dispatched multiple units to the scene to combat the flames and ensure public safety. The exact time of the closure was not specified, but it was in effect during the morning commute.

Source of Information and Visual Evidence

The closure was officially communicated by the city's transportation department via the social media platform X, formerly known as Twitter. A photo shared by the account @yyctransportation visually confirmed the emergency situation and the resulting traffic disruption. The image showed emergency vehicles on scene and traffic barricades in place.

Ongoing Situation and Commuter Impact

As of 10:21 AM EST on Wednesday, the avenue remained closed while firefighting and investigation operations continued. The closure likely caused significant disruptions for morning commuters and downtown traffic flow. Drivers were advised to seek alternate routes and avoid the affected area. There was no immediate information available on the cause of the fire, the extent of damage to the structure, or potential injuries. Authorities have not provided an estimated time for the road to reopen.

The incident serves as a reminder of the rapid response required for urban emergencies and their immediate impact on city infrastructure and daily life.