Islington-City Centre West exits in Brown's Line.
Islington Avenue begins at Lake Shore Boulevard West in New Toronto, and progresses north to Steeles Avenue West, where it crosses into Vaughan in York Region as York Regional Road 17 and prior to 1998 as York Regional Road 7. Brown's Line was once the name by which the trail running north from Lake Ontario to Highway 9 was known. Before the construction of Highway 427, Brown's Line was part of Highway 27. Today, Brown's Line is a small southern portion of the road, which has grown into Highway 427 from the Queen Elizabeth Way to Highway 401, and carries on as Highway 27, past Highway 9, and continues north to Barrie. Highway 427  Steeles Avenue West
(continues north into Vaughan) 
