CCECC completes excavation work on Etihad Rail project tunnel, UAE July 22, 2021 | Middle East & Africa News China Civil Engineering Construction Corporation (CCECC) has completed excavation work on the Middle East’s longest tunnel, spanning 1.8 km, which is being built as part of the Etihad Rail proje... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password