---Update---

The right passing lane fully reopened late on Monday night going westbound on Highway #1 near Mortlach. 

---Original Story Below---

Motorists traveling westbound on Highway #1 may experience some delays around Caronport. 

According to the SW Sask Road Conditions Facebook page, the westbound lane is blocked due to an overturned tractor-trailer unit 19 kilometres west of Caronport. 

Emergency crews are on the scene and there is no word if anyone is injured or if there is a detour in place for those traveling west. 

More information will be provided once it becomes available.