Few details are available after crashes caused two separate highways north of Saskatoon to be closed, or partially closed overnight.

The first crash happened before 10:00 p.m. on Sunday on Highway 55 just south of Debden, Sask.

Police say several vehicles were involved in that collision.

Both lanes of traffic on the highway were shut down and police established a bypass around the scene.

The highway reopened around 3:30 a.m. on Monday.

Debden is about 192 kilometres north of Saskatoon.

The second crash happened just west of Langham, Sask. on Highway 16 around 2:00 a.m. on Monday.

Police have not released any information, except that two vehicles were involved.

The eastbound lane of Highway 16 was shut down while police investigated the crash.

Langham is about 34 kilometres northwest of Saskatoon.

There is no word on injuries in either crash.