Line 3 Scarborough uses 28 S-series trains built by the Urban Transportation Development Corporation (UTDC) in Millhaven, Ontario similar in design to former trains found on the Vancouver SkyTrain.
Line 3 Scarborough uses 28 S-series trains built by the Urban Transportation Development Corporation (UTDC) in Millhaven, Ontario. These Intermediate Capacity Transit System (ICTS) trains are Mark I models, similar in design to former trains found on the Vancouver SkyTrain.