The cars in the 4000 and 4100 series are known as
CLRVs -- Canadian Light Rail Vehicles. They go back to the
late 1970s and 1980, and were designed by UTDC, Urban Transportation
Development Corporation. Unlike most surface rail lines elsewhere in
Canada and U.S.A., all Toronto streetcars have trolley poles.
scene is near the Main Station Loop on the 506 Carlton line.
That loop is at one of five locations along the Bloor-Danforth
Subway where streetcars terminate in a protected zone of free exchange.