Alstom completes supply and testing of Egypt Rail interlocking system, Egypt October 16, 2020 | Europe Company News Alstom has completed the supply and testing of the new SIL4 electronic interlocking system. The interlocking system was delivered to the Matai sector of the Beni–Suef Assuyt railway line to ensu... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password