Two semi-truck drivers were rushed to hospital from the scene of a crash near Redcliff, Alta., on Wednesday afternoon.
Officers were called to the crash, at the intersection of Highway 1 and Range Road 101, at about 12:50 p.m., RCMP said.
Investigators believe both trucks were travelling east when one rear-ended the other.
One of the drivers was airlifted to hospital via HALO Air Ambulance and the other semi driver was taken by ground ambulance. The nature of the drivers’ injuries was not known as of 2:50 p.m.
Police said a passenger was also treated at the scene.
The cause of the crash is under investigation and a collision analyst was called in, RCMP said.
Eastbound traffic was diverted around the collision near Range Road 100.
At 7:30 p.m., RCMP said one eastbound lane was open on Highway 1 and Range Road 101, with all lanes expected to be reopened in an hour.