Original sentence: A third line, the Canada Line, is under construction, and will open on August 17, 2009.Currently scheduled for completion by Labour Day in September 2009, in time for the 2010 Winter Olympics, the line is being built by InTransitBC, a consortium headed by SNC-Lavalin.Known in early planning stages as the Richmond-Airport-Vancouver (RAV) Line, the Canada Line will run from Waterfront Station to Richmond-Brighouse Station, with a branch serving Vancouver International Airport, and will have 16 new stations: nine in Vancouver, four on Lulu Island, and three on Sea Island.The Canada Line's trains will be fully automated, but are of a different design than the existing lines' Bombardier-built fleet, and use conventional electric motors rather than Bombardier's linear induction technology.The system shares Waterfront Station with the Canada Line, which is scheduled to open in September, 2009
Edited sentence: A third line, the Canada Line, has just completed construction as of the end of July 2009, and will open on August 17, 2009.Known in early planning stages as the Richmond-Airport-Vancouver (RAV) Line, the Canada Line runs from Waterfront Station to Richmond-Brighouse Station, with a branch serving Vancouver International Airport, and will have 16 new stations: nine in Vancouver, four on Lulu Island, and three on Sea Island.Opening on August 17th, 2009, the line is being built by InTransitBC, a consortium headed by SNC-Lavalin.The Canada Line's trains are fully automated, but are of a different design than the existing lines' Bombardier-built fleet, and use conventional electric motors rather than Bombardier's linear induction technology.The system shares Waterfront Station with the Canada Line, which is scheduled to open on August 17th, 2009.When the Canada Line opens, it will add 15 stations and  to the existing system, and will be colored light blue on maps