Highway 15 (or Manning Drive within Edmonton) is a highway in the Edmonton Region of Alberta, connecting northeast Edmonton to the City of Fort Saskatchewan and communities within Lamont County. It serves as an alternative to Highway 16 that bypasses Elk Island National Park. The highway follows the route of a railway line completed in 1905 by the Canadian Northern Railway. In Edmonton, the most southerly portion of the route is named Fort Road, followed by Manning Drive to the north, a developing freeway.

Highway 15 is designated as a core route of Canada's National Highway System, between Highway 16 and the intersection with Highway 28A within Edmonton and is part of the Edmonton-Fort McMurray corridor.

The highway begins at the intersection of 50 Street and Highway 16 (Yellowhead Trail) in Edmonton. It proceeds north along 50 Street to Manning Drive, where it diverts northeast before passing over Anthony Henday Drive (Highway 216). Before leaving Edmonton, Highway 15 continues northeast past the southern terminus of Highway 28A. Within Sturgeon County, it intersects with the eastern terminus of Highway 37 and then turns southeast to cross the North Saskatchewan River and intersect with the northern terminus of Highway 21 in the City of Fort Saskatchewan. From this junction, Highway 15 travels northeast again and then east, intersecting with Highway 45 and Highway 29. It then turns southeast and passes through the towns of Lamont and Mundare. At the outskirts of Mundare, it begins a 2.1 km (1.3 mi) concurrency with Highway 855 before ending at Highway 16.

A significant portion of Highway 15 between Fort Saskatchewan and Edmonton is currently only two lanes. This has caused headaches for local commuters; more than 23,000 vehicles cross the bridge between Sturgeon County and Fort Saskatchewan daily (a 50% increase since 2009), and there have also been several fatal collisions in recent years. On March 23, 2017, the provincial NDP government announced that the bridge spanning the North Saskatchewan River connecting Sturgeon County to Fort Saskatchewan would be twinned. A second project would also see the remainder of the Fort Saskatchewan-Edmonton portion twinned. The twinning of the highway (Project A) was completed for the projected completion date, in the fall of 2019, while work is underway on construction of the new bridge, as well as a pedestrian bridge underneath it (Project B). The new bridge is expected to open in 2022, to be utilized by traffic inbound to Fort Saskatchewan; outbound traffic will use the existing bridge.

Starting from the west end of Highway 15:

Rural/specialized municipality	Location	km	mi	Destinations	Notes
City of Edmonton		0.0	0.0	Yellowhead Trail (Highway 16 (TCH/YH)) – Lloydminster, Jasper	Interchange; Hwy 16 exit 394; Hwy 15 western terminus; 50 Street continues south
		1.7	1.1	137 Avenue
		2.3– 2.5	1.4– 1.6	Manning Drive / 50 Street	Hwy 15 follows Manning Drive
		5.6– 7.1	3.5– 4.4	Anthony Henday Drive (Highway 216)	Interchange; Hwy 216 exit 46
		14.1	8.8	Highway 28A north (17 Street NE) – Gibbons, Cold Lake, Fort McMurray	Hwy 28A southern terminus
Sturgeon County	​	19.1	11.9	Highway 37 west to Highway 825 – Namao, Onoway, Sturgeon Industrial Park	Hwy 37 eastern terminus
North Saskatchewan River		21.2	13.2	Bridge
City of Fort Saskatchewan		21.8	13.5	99 Avenue	Interchange
		22.8	14.2	Highway 21 south / 94 Street – Sherwood Park, Camrose	Hwy 21 northern terminus
Strathcona County	​	35.2	21.9	Highway 830 south – Josephburg	West end of Hwy 830 concurrency
		41.9	26.0	Highway 830 north – Hwy 38	East end of Hwy 830 concurrency
Lamont County	​	45.2	28.1	Highway 45 north – Bruderheim, Two Hills	Hwy 45 western terminus
		51.6	32.1	Highway 29 east – Hairy Hill, St. Paul	Hwy 29 eastern terminus
	Lamont	53.6	33.3	Highway 831 south – Elk Island National Park	West end of Hwy 831 concurrency
		55.6	34.5	Highway 831 north (48 Street) – Waskatenau	East end of Hwy 831 concurrency
	Chipman	65.1	40.5	Highway 834 south – Tofield
	Hilliard	78.6	48.8	Range Road 175
	Mundare	90.0	55.9	Highway 855 north (Sawchuck Street) – Andrew	West end of Hwy 855 concurrency
	​	92.2	57.3	Highway 16 (TCH/YH) – Vegreville, Lloydminster, Edmonton Highway 855 south – Ryley, Holden	Hwy 15 eastern terminus; Hwy 855 continues south
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Concurrency terminus

• Transportation in Edmonton