IO and Metrolinx contract TGP for Ontario Line, Canada February 21, 2024 | Company News, News, North America Company News, North America News Infrastructure Ontario and Metrolinx have contracted Trillium Guideway Partners (TGP) for the construction of elevated guideways and stations for the Ontario Line in Toronto. The contract has been sig... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password