No injuries were reported after three school buses crashed into each other, and an SUV, in a “low-speed collision” on Bow Trail on Tuesday.
Calgary police said 18 children were involved in the crash, but none were injured.
Investigators said the vehicles were sliding down the road on Bow Trail near Strathcona Boulevard when the crash happened.
The crash temporarily blocked traffic along the roadway, however, the city tweeted just before 11 a.m. that the scene was cleared.
Calgary was under a snowfall warning on Tuesday with 10 to 15 centimetres of snow expected to fall.
Road conditions were poor across the city, with police advising drivers to take precautions and drive slowly and carefully.