Billy Bishop Pedestrian Tunnel
PEDESTRIAN TUNNEL
OWNER:
City of Toronto
PIPE SPECIFICATIONS:
shaft size of 14m x 30m x 35m deep (14m of overburden). The tunnel itself is 186m long with an irregular shape of 11m wide and 9m high with only 6 meter coverage underneath Lake Ontario.
The Billy Bishop Pedestrian Tunnel is an underwater pedestrian access point which links mainland downtown Toronto to the Billy Bishop Island Airport. It is one of the largest open excavations in Georgian Bay formation shale, with a shaft size of 14m x 30m x 35m deep (14m of overburden). The tunnel itself is 186m long with an irregular shape of 11m wide and 9m high with only 6 meter coverage underneath Lake Ontario. The tunnel was built to provide fast, reliable service to the airport. The entire project was constructing next to the 9th busiest airport in Canada in the heart of the downtown of the largest city in Canada.