Balfour Beatty deploys modular sleepers on London Underground July 20, 2013 | Europe News Balfour Beatty Rail has installed its first novel sleeper design on the London Underground network. Cemex Rail Solutions’ 1502 is preassembled, incorporating a Pandrol FE1404 rail fastening, whi... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password