LU invites Thales to bid for CBTC contract on selected lines April 29, 2014 | Europe Company News London Underground (LU) has invited France-based Thales to bid for the contract to install communications-based train control (CBTC) system on 310 km of sub-surface track serving 113 stations on LU’s ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password