C-Train service through the downtown core was disrupted on Sunday after a car was clipped by a train.
Calgary police say the accident happened just after noon at the corner of Fourth Street and Seventh Avenue S.W.
The driver and a passenger were not injured according to EMS.
Shuttle buses were in use through the downtown core until service was restored about two hours later.
The investigation into the accident is underway.
Calgary Police also report due to the light snow that fell overnight and into this morning, streets and roadways are extremely slippery.
Between midnight and 4:00 p.m. MT Sunday, 20 injury accidents and 160 non injury accidents have been reported all around the city.
Police advise motorists to slow down and use extra caution.