Arup-Ramboll JV to design Copenhagen’s Ring 3 LRT line February 6, 2015 | Europe Company News Copenhagen light rail transit’s (LRT) developer Metroselskabt has selected the joint venture (JV) of Arup and Ramboll to design the 27-km Ring 3 line, which will connect 11 municipalities along ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password