Two people were killed in a two-vehicle collision near Bassano on Friday night, Alberta RCMP said in a news release.
Traffic was reduced to one lane in each direction where the crash occurred, which is at the intersection of Highways 1 and 847, RCMP said.
Highways remained reduced to single-lane in either direction throughout the night.
Emergency crews and Bassano RCMP were dispatched to the scene.
In the release, the RCMP requested that "motorists travel slowly and cautiously while passing emergency vehicles."
The investigation is still underway.