page_title: Union station (TTC)
section_title: Subway infrastructure in the vicinity
hierarchical_section_title: Union station (TTC) / Subway infrastructure in the vicinity
caption_attribution_description: English: Union Station interlocking signal located at the east end of the University line platform to protect the crossover to the northbound Yonge Line..
context_page_description: Union is a subway station on Line 1 Yonge–University of the Toronto subway in Toronto, Ontario, Canada. It opened in 1954 as one of twelve original stations on the first phase of the Yonge line, the first rapid transit line in Canada. It was the southern terminus of the line until the opening of the University line in 1963, and is today the inflection point of the U-shaped line. Along with Spadina station, it is one of two stations open overnight.
  Union station is located on Front Street between the Yonge Street and University Avenue sections of the line. It is named for and directly connects to the railway station and regional bus terminal of the same name, serving all GO Transit train lines and train-bus services as well as Via Rail intercity routes. It connects to the Union Pearson Express, a dedicated rail link to Toronto Pearson International Airport. It is the only subway station with a direct connection to Via services.
  Based on Toronto's street grid, Union is the southernmost subway station and the closest to Lake Ontario; however, using standard compass directions, Kipling and Islington stations are further south.
context_section_description: The station lies on an east–west axis along Front Street. It is one of three stations on Line 1 with an east–west orientation, the others being St. George and Downsview Park. Leaving the station eastbound, the Yonge leg of the line runs briefly under Front Street and turns 90 degrees north to run under Yonge Street; leaving westbound, the University leg also runs under Front Street, and shortly after turns 90 degrees north to run under University Avenue.
  This station is one of only three that have a slightly curved platform (the other two being St. Clair and Museum stations). The station is also noted as being one of only three where a signal is publicly accessible (the others being Davisville and Islington stations). The signal is located on the east (trailing) end of the University line platform. It is an interlocking signal that protects the crossover to the northbound Yonge Line and is only occasionally used to reverse Yonge Line trains at Union.
caption: Interlocking signal at east end of University line platform
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