is a streetcar route
, operated by the Toronto Transit Commission
The Harbourfront LRT, originally designated 604 Harbourfront
, began service in 1990. It was the first new Toronto streetcar route in many years, and the first ever to employ a dedicated tunnel, running approximately 600 metres from Queen's Quay
north to Union Station
and including one intermediate underground station, Queens Quay
. At the time of its opening, the terminus was located at Spadina Loop
at the foot of Spadina Avenue
; beyond this point non-revenue trackage ran on Spadina from Queen's Quay West to King, as otherwise the new line would have been disconnected from the rest of the network.
The 600-series numbers were used briefly to represent rapid transit, i.e., subways, Scarborough RT and Harbourfront LRT. This practice was dropped because it was found to be misleading, as the Harbourfront LRT is not grade-separated. Now, subways and RT are referred to internally as routes 1-4, but have no route numbers on official maps.
In 1997, the completion of a dedicated right of way on Spadina Avenue resulted in the Harbourfront route being relaunched as the 510 Spadina
. No route carried the name "Harbourfront" until 2000, when the Queen's Quay streetcar tracks were extended west to Bathurst and Fleet Streets. At that point, a new route, the 509 Harbourfront, was added, running from Union along the original 604's route concurrently with the 510... Read More