O-Train Line 4 expansion to Ottawa airport reshaping south-end travel
The next extension of Ottawa’s light-rail transit system opened in January after a nearly three-year delay. In the construction, the city expanded Line 2 — the Trillium Line of the O-Train — and added a spur Line 4 to the Ottawa airport. Line 4 opened to the public on Jan. 6. The train runs between the South Keys station and...
By
Amber Gray ,
February 28, 2025
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2 min read