Union

Union Station - Northbound (to Downsview) Subway Platform to Fares Concourse (to Street):

Board a northbound train to St Andrew Station (one stop north).
Use the centre platform at St Andrew Station to access the southbound train.
Travel southbound to Union and use the accessible features of the Northbound (to Finch) platform.

Union Station - Northbound (to Finch) Subway Platform to Fares Concourse (to Street):

Board a northbound train to Queen Station (two stops north).
Use the accessible features of Queen Station to access the southbound train.
Travel southbound to Union and use the accessible features of the Northbound (to Downsview) platform.

Union Station - Fares Concourse to Northbound (to Downsview) Platform

Use the elevator to access the Northbound (to Finch) platform.
Board a northbound train and travel two stops to Queen Station.
Use the accessible features of Queen Station to access the southbound trains travelling to the University line (to Downsview).

Union Station - Fares Concourse to Northbound (to Finch) Platform

Use the elevator to access the Northbound (to Downsview) platform.
Board a northbound train and travel one stop to St Andrew Station.
Use the centre platform of St Andrew Station to access the southbound trains to the Yonge Line (to Finch).