The 108 Downsview bus route operates between Downsview Station on the Yonge-University-Spadina Subway and the area of Jane Street and Driftwood Avenue, generally in an east-west direction. Accessible service is provided on the route. Downsview Station is an accessible subway station. Bike racks are available on this route.

Two services are operated. The 108 (Downsview Stn-Jane) is the main branch, and operates at all times, seven days a week. The 108A (Downsview Stn-Jane via Grandravine) alternate branch operates during the peak periods and midday, from Monday to Friday only.

Westbound 108 TO JANE & DRIFTWOOD

These buses operate from Downsview Station via west on Sheppard Avenue West, north on Arleta Avenue, northwest on Grandravine Drive, north on Driftwood Avenue, west on Stong Court, and north on Jane Street to Driftwood Avenue.

Eastbound 108 TO DOWNSVIEW STN

These buses operate from Jane Street and Driftwood Avenue via east and south on Driftwood Avenue, southeast on Grandravine Drive, south on Arleta Avenue, and east on Sheppard Avenue West to Downsview Station.

Westbound 108A TO JANE & DRIFTWOOD VIA GRANDRAVINE

These buses operate from Downsview Station via west on Sheppard Avenue West, north on Tuscan Gate, west on St. Regis Crescent, south on Keele Street, west on Grandravine Drive, north on Driftwood Avenue, west on Stong Court, and north on Jane Street to Driftwood Avenue.

Eastbound 108A TO DOWNSVIEW STN VIA GRANDRAVINE

These buses operate from Jane Street and Driftwood Avenue via east and south on Driftwood Avenue, east on Grandravine Drive, north on Keele Street, east on St. Regis Crescent, south on Tuscan Gate, and east on Sheppard Avenue West to Downsview Station.

All buses on the route serve local bus stops along the route.