Highway 17 is considered a part of both provincial highway systems. The entire length of the highway is maintained jointly by the respective provincial governments.[citation needed]
The highway first enters Alberta before reaching Dillberry Lake Provincial Park.[3][2] A short distance later, it intersects withAlberta Highway 610 andSaskatchewan Highway 680 before reachingAlberta Highway 14, which becomesSaskatchewan Highway 40. For 2.5 km (1.6 mi), Highway 17 runs east concurrently with Alberta Highway 14. The concurrency ends 0.8 km (0.50 mi) shy of the provincial border.[2]
North of Saskatchewan Highway 798, prior to its intersection withAlberta Highway 45 andSaskatchewan Highway 3, Highway 17 briefly weaves into Saskatchewan and then Alberta before returning to the provincial boundary alignment. Further to the north, prior to crossing the North Saskatchewan River, it weaves back and forth between the two provinces again.[2] After crossing the river, the highway again returns to the provincial boundary alignment and then ends atOnion Lake where it intersects withAlberta Highway 641.[4][5]
In Lloydminster, Highway 17 runs along the Alberta–Saskatchewan border. It is named 50 Avenue and is historically called Meridian Avenue. Despite Lloydminster's size and 50 Avenue functioning as one of the primary north–south routes in the city, the highway is an undivided two-lane road for most of its course through the city.[2]
The original alignment of Alberta Highway 17 ran fromHighway 16 west ofEdmonton toOnoway,[7] but was renumbered toAlberta Highway 43 so the Alberta designation could coincide with Saskatchewan Highway 17.[9][10]
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In 2011, the city of Lloydminster commenced a project to add lanes to Highway 17. Under the project, 50 Avenue will be widened in the southern part of the city. Through downtown, where widening is not feasible, the northbound lanes of Highway 17 will run along 49 Avenue within Saskatchewan, resulting in a couplet orone-way pair of streets.[11]