Ontario provincial highway 409

Highway 409 is an Ontario provincial 400-Series expressway that runs from the 401 in Toronto to Toronto Pearson International Airport, west of Highway 427, in Mississauga. Highway 409 is a short freeway used mainly a bypass for traffic approaching the airport from Highway 401 (westbound).

The portion of Highway 409 west of Highway 427 is owned and operated by the Greater Toronto Airport Authority , though it is still signed as Highway 409.

Interchanges from East to West

Municipality	Kilometre Post†	Intersecting Roads
Toronto	8	Highway 401 (from westbound/to eastbound)
Toronto	7	Kipling Avenue (westbound only)
Toronto	6	Martin Grove Road
Toronto	3	Attwell Drive (eastbound only)
Toronto - Mississauga Boundary	2	Highway 427
Mississauga	1	Airport Road (Peel Road 7)
Mississauga	0	Toronto Pearson International Airport

^† Exits are not numbered on Highway 409.