carried the bridge across the river are still visible, although some of them are under the Park grounds after backfilling. King Edward Ave. uses the alignment for a short distance before turning north to cross the Ottawa River. The line today Several portions of the line are still in use. In Ottawa, the O-Train Trillium Line uses the original B&PR route north from Greenboro Station, following the route to the Chaudière Falls area, and ending at Bayview Station. Bayview is some distance to the west of the original Broad Street Station. The line originally curved to the east just south of Bayview Station, a route that can still be seen in the layout of roads and buildings in the area. The Trillium Line runs under the Canal where Dow's Lake narrows towards the canal again, whereas the spur formerly ran over it at a location just south of Dow's Lake. The original route can easily be seen as the smoothly curving line of trees just west of the Lake, running southeast out of Carling Station and continuing through the Carleton University campus. Since 2020, several sections of the Trillium Line were removed during the Stage 2 expansion to allow for twinning the tracks. The section south from Greenboro is now used as a busway, providing connections to the Ottawa Macdonald–Cartier International Airport and Leitrim Station. Plans to extend the O-Train Trillium Line along this route were shelved in 2006, but continue to be examined. As part of the original plans, a large parking lot was constructed some distance to the south of the Airport, acting as a suburban collector point. Customers using this lot currently have to use the busway to the end of the O-Train lot, adding considerable time to their journey. In terms of serving the airport itself, a spur at Lester Road continues to be used to supply freight cars to the National Research Council buildings. The O-Train Trillium Line has also used this spur as a repair depot. An extension of this spur to allow the O-Train access to the main terminal has been considered on and off on many occasions. The rails currently continue south to the border of the airport lands at Leitrim Road. South of the current terminus, starting at Leitrim Road, the railbed forms the Osgoode Link Pathway, running south about . to the town of Osgoode. The railbed south of Osgoode