Thales to install SelTrac CBTC system on Istanbul Metro Line M10, Turkey June 11, 2020 | Europe Company News Thales has secured a contract from Çelikler Taahhut to install the SelTrac Communications Based Train Control (CBTC) system on the new M10 Line in Istanbul. The CBTC will be installed on the 7.... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password