It was a dangerous day on the roads in the central and northwest areas of the province Wednesday.
One of the incidents occurred in the evening in a construction zone near Highway 3 and Paradise Hill.
St. Walburg RCMP are investigating a motor vehicle collision where a truck with the back of a car that had been stopped at the construction zone.
According to police the 17-year-old male flag person and the 48-year-old female driver of the parked car were taken to hospital by ambulance with undetermined injuries. The 42-year-old man driving the truck did not report any injuries.
Traffic was restricted at the time of collision. Since then RCMP have since cleared from the scene and the highway has been re-opened.
It was rainy and roads were wet at the time of the collision, but has not been determined if it is a factor in the collision.
No charges have been laid at this time and the investigation is ongoing.
The far more deadly incident happened around 9:48 p.m. as Biggar RCMP responded to a single vehicle rollover three kilometres east of Biggar on Highway 14.
Two people were killed.
According to Biggar RCMP, the single vehicle rollover involved a pick up truck with five occupants inside. Prior to the collision, the truck was eastbound on highway 14. According to police the truck did not negotiate a curve in the highway, entered the roadside ditch, struck a highway approach, causing the driver to lose control. The vehicle rolled more than once.
A 20-year-old male driver from Biggar was seat belted and died on scene. A 19-year-old male passenger from Biggar was also pronounced dead on scene.
The three female passengers ages 20-21 from Biggar were transported to hospital in Saskatoon with undetermined injuries. One was in critical condition, the others stable.
An RCMP collision analyst was on the scene and traffic was being re-routed around the collision. As of 5:40 a.m. the detour was lifted and Highway 14 was re-opened to traffic again with the recommendation that travellers proceed slowly through the area.
RCMP were still on the scene and the investigation is still ongoing.