Downsview Park is a rapid transit station on Line 1 Yonge–University of the Toronto subway and a commuter rail station on the Barrie commuter rail line of GO Transit. Subway service began on December 17, 2017, and GO Train service began on December 30, 2017. Downsview Park station is a fully integrated multi-modal transit facility serving both transit lines. This is in contrast to other interchanges between TTC subway and GO Transit rail lines, which have separate structures for each agency.
TTC ridership statistics for 2018 showed that Downsview Park was the least used station on the heavy-rail subway system, displacing Bessarion on Line 4 Sheppard.
Wikipedia https://en.wikipedia.org/wiki/Downsview_Park_station
Coordinates 43°45'13.214" N -79°28'42.688" E