Islington station was opened in 1968 in what was then the Borough of Etobicoke and served as the western terminus for Line 2 Bloor–Danforth for 12 years[2] until the extension to Kipling was completed in 1980.

[5] A redevelopment of the bus terminal is planned during the 2020s, as part of upgrade works to make the station accessible.

[6] The station is located on the northwest side of Bloor Street West and Islington Avenue, and is built on three levels.

The entrances to the station can be found at the main parking, and at the east and west sides of Islington Avenue respectively.

The line then crosses Mimico Creek on a bridge and then returns underground at the Aberfoyle Portal, en route to Royal York station.

[13] In 2021, MiWay buses, with the exception of route 26 Burnhamthorpe, moved to the new Kipling bus terminal, freeing up the Islington site for redevelopment.

The existing commuter parking lots to the south of the station are also proposed to be redeveloped by the city for residential development.

[14] Part of this project would include the station being fully redeveloped and a new TTC bus terminal being built.