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- Line 1
- Lines 1
- subway
- extension of the line
- Line 1 Yonge–University#Toronto–York Spadina Subway Extension
- :Line 1 Yonge–University
- Line 1 (Richmond Hill extension)
- Line 1 Yonge extension
- Line 1 Yonge subway extension
- Line 1 Yonge-University
- Line 1 Yonge–University subway extension
- Line 1 Yonge–University#Future expansion
- Line 1 subway
- Spadina Subway extension
- Spadina line
- Spadina subway extension
- Spadina subway line
- TYSSE
- Toronto York Spadina Subway Extension
- Toronto York–Spadina Subway Extension
- Toronto-York Spadina Subway Extension
- Toronto–York Spadina Subway Extension
- University segment of Line 1
- Yonge Line
- Yonge North Subway Extension
- Yonge North subway extension
- Yonge Subway
- Yonge Subway extension
- Yonge line
- Yonge segment of Line 1
- Yonge subway
- Yonge subway line will extend
- Yonge-University line
- Yonge–University
- Yonge–University Subway
- Yonge–University line
- Yonge–University subway
- Yonge–University subway line
- Yonge–University-Spadina
- Yonge–University–Spadina line
- York-University-Spadina Subway Extension
- extension of the Yonge–University
- first subway
- north extension of Line 1 Yonge–University
- opened on December 17, 2017
- western branch
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