NAT awards contracts to Alstom and CAF to upgrade Cairo Metro, Egypt November 8, 2021 | Middle East & Africa Company News The National Authority for Tunnels (NAT) has awarded a EUR876 million contract to Alstom to upgrade Cairo Metro. Under the contract, Alstom will supply 55 nine-car trains and provide maintenance work ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password