An R-C-M-P investigation continues, but Highway 17 is open following a three-vehicle collision Thursday evening, south of Lloydminster near Lone Rock.

Maidstone R-C-M-P say two southbound vans on Highway 17 collided initially, followed shortly therafter by a collision between a northbound semi tractor-trailer unit and one of the southbound vans. A 64-year-old woman, driving one of the southbound vans, passed away in hospital. The other two vehicle drivers reported no injuries to police. Alcohol is not believed to be a factor in the incident.Maidstone R-C-M-P are continuing their investigation, with help from an R-C-M-P collision reconstruction unit from Prince Albert.