The westbound lanes of the Trans-Canada Highway have reopened to traffic following a crash near the Old Banff Coach Road overpass that sent two people to hospital.

The crash occurred at around 4:00 p.m. and Calgary Police Service officials confirmed the closure shortly before 4:30 p.m., indicating it was in response to a serious collision.

EMS transported one child from the crash site in serious but stable condition with non-life threatening injuries and an adult was transported from the scene in stable condition with non-life threatening injuries. According to police, both patients were occupants of a minivan that had rolled.

Initial reports indicated the minivan had been involved in a head-on collison but CPS officials confirm the crash involved a single vehicle.

All lanes of the highway were open to traffic as of 6:00 p.m. The cause of the collision is under investigation.