Ansaldo loses CBTC contract for Stockholm Metro Red Line, Sweden November 7, 2017 | Europe News Sweden-based Storstockholms Lokaltrafik (SL) has terminated the re-signalling contract with Ansaldo STS for Stockholm Metro Red Line. In 2010, Ansaldo STS had secured a EUR80-million contract to equip... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password