Manitoba Highway 45

Provincial Trunk Highway 45
Provincial Trunk Highway 45
Russell Subdivision Trail
Route information
	Maintained by Department of Infrastructure
Length	106 km (66 mi)
Existed	1959–present
Major junctions
West end	PTH 16 (TCH) / PTH 83 / YH at Russell
	PTH 21 south at Oakburn
East end	PTH 10 near Erickson
Location
Country	Canada
Province	Manitoba
Rural municipalities	Clanwilliam – Erickson; Harrison Park; Riding Mountain West; Rossburn; Russell – Binscarth; Yellowhead;
Highway system
	Provincial highways in Manitoba; Winnipeg City Routes;

Provincial Trunk Highway 45 (PTH 45) is a provincial highway in the Parkland Region of the Canadian province of Manitoba. It runs from PTH 16 and PTH 83 in the town of Russell to PTH 10 five kilometres (3.1 mi) north of the village of Erickson.

PTH 45 provides an alternate route to Riding Mountain National Park for travelers coming from Saskatchewan and the western part of Manitoba as opposed to taking the Yellowhead Highway to Minnedosa and PTH 10 north.

PTH 45 is officially named the Russell Subdivision Trail. The speed limit is 100 km/h (62.5 mph).