Luas tram extension on track; Funding approved for Metro-North project in Dublin May 13, 2010 | Europe Finance All track laying works have been completed for Line B1 of the Luas tram network in Dublin, Ireland. The EUR300 million project involves building a 7.5 km extension of the Green Line from Sandyford to ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password