Multiple vehicle collisions caused highway closures on Saturday night.

RCMP first responded to the scene of what they are calling a serious multi-vehicle collision about 10 kilometers east of Moose Jaw on Highway 1, at 4:30 p.m.

The eastbound lane of the highway was blocked with no time given as to when traffic will be flowing as normal.

Then at approximately 7:30 p.m., North Battleford RCMP received the report of a serious single motor vehicle collision on Highway 4 north of Cochin.

North Battleford RCMP and RCMP Collision Reconstructionist were on scene. The highway was blocked in both directions. Highway 4 was been re-opened to traffic at 10 a.m. on Sunday.

At approximately 8:45 p.m., Pelican Narrows RCMP received the report of a serious single motor vehicle collision on Highway 135 approximately 20 kilometers north of the Highway 106.

Pelican Narrows RCMP were on scene. The highway was also blocked in both directions.

Highway 135 was been re-opened to through traffic at 10 a.m. on Sunday.

RCMP said an update will be released once it becomes available.