Client: National Authority for Tunnels (NAT) - Ministry of Transport
Contractors: EFJV of Vinci Construction, The Arab Contractors Company and Orascom Construction

CML3-Phase 3 extends for a length of 17.7 km and includes 15 stations, from Attaba Station to Kit Kat Square, heading north to Imbaba, reaching the Ring Road, and branching south to Mohandseen and Boulak El Dakrour, passing through Wadi El Nile Street and Gameat El Dewal, and then extending to Cairo University. It is implemented in three parts. In October 2022, the first part of it was opened with a length of 4 km and 4 underground stations, which achieved, with its opening, the exchange of passenger transport service between the third and first lines of the metro.

Phase 3C

It is 7.1 km long and includes (3) underground stations (Al-Tawfiqia - Nile Valley - Gamaet Al-Dawal) + (1) an overhead station (Cairo University) + (1) a surface station (Boulaq Al-Dakrour).