Highway 627 west of Edmonton was impassable Friday evening after what RCMP called a serious collision.

The crash happened near Highway 627 and Range Road 265.

Four people were taken to hospital with non-life threatening injuries.

The area was closed for emergency response and Stony Plain RCMP had detours in place for several hours. It reopened around before 10:30 p.m.

A collision investigation is underway.