---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.