The Newmarket Terminal includes a convenience store in its interior facility providing various amenities for transit riders.

[2] It was one of four terminals in the "GO North" commuter services expansion of GO Transit, the other three being located in Barrie, Aurora, and Richmond Hill.

On 22 April 1970, GO Transit announced that the intersection of Yonge Street and Davis Drive would be the site of the terminal.

[6] In March 1971, GO Transit began operating a "Shopper's Special" bus on weekdays and Saturdays, leaving the terminal in the morning and making stops in Aurora, King City, Maple, and by passenger request at other locations, with two final stops at the Toronto Coach Terminal and Union Station.

[7] For the afternoon return trip, passengers were required to board at the Toronto Coach Terminal or Union Station.