The Saskatchewan ministry of highways is reminding motorists to be on the look-out for slow moving farm machinery.
Highways and Infrastructure minister David Marit says harvest is underway.
He is asking motorists to be patient and watch for oversized or slow-moving farm equipment to avoid collisions.
More than 40 highway projects are ongoing across Saskatchewan and drivers are reminded to slow to 60 km/hr and obey all construction zone signs.
Sinced 2008, the province has spent over 6.3 billion dollars on transportation improvements.