Black Creek Drive is a four lane north–south arterial road in Toronto, Ontario, Canada. It connects Weston Road and Humber Boulevard with Highway 401 via Highway 400, the latter of which it forms a southerly extension. Black Creek Drive officially transitions into Highway400 at the Maple Leaf Drive overpass, southeast of Jane Street. The roadway is named after the Black Creek ravine, which it parallels for most of its route. It features a maximum speed limit of . As a municipal road, it is patrolled by the Toronto Police Service. Following the path of a proposed freeway extension of Highway400, it was built instead as an arterial road with at-grade intersections by the provincial government. While Metropolitan Toronto and the Province of Ontario sought to extend Highway400 south to the Gardiner Expressway, public opposition to building freeways into central Toronto resulted in the road being constructed as an arterial road instead. Route description At its south end, Black Creek Drive begins at an intersection with Weston Road and Humber Boulevard, in the Mount Dennis neighbourhood of Toronto. The four-lane road passes beneath railway tracks that carry the Kitchener GO Line and Union Pearson Express rail corridors. It travels north alongside Black Creek, from which it takes its name; Keelesdale Park lies to the east. The road continues north–northwest, intersecting Eglinton Avenue West. Coronation Park and Trethewey Park occupy the eastern side of the road north of Eglinton, while the western side is occupied by commercial and industrial uses. Much of this land was a former Kodak plant, marked today only by the existence of Photography Drive. Between Trethewey Drive and Lawrence Avenue West, the road passes between residential subdivisions within the Black Creek ravine. North of Lawrence, the road diverges from the Black Creek ravine. It is separated at-grade from Queens Drive and Maple Leaf Drive, which pass overhead. At the Maple Leaf Drive overpass, Black Creek Drive becomes Highway 400 and thereafter falls under the control of the Ministry of Transportation of Ontario. The road has signalized intersections at Photography Drive, Eglinton Avenue West, Todd Bayliss Boulevard, Trethewey Drive and Lawrence Avenue West. From Trethewey north, the two directions are separated by a concrete barrier, and north of Lawrence, the directions are separated by a set of steel guard rails. South of Trethewey, the two directions are separated by a grass median. The speed limit is for the route's