Line 3 (green) is currently the newest, opening the first section in 2012. It presently operates from Rod El-Farag Corridor to Adly Mansour,
with construction underway for the remaining line to the Cairo University. Eventually, it will be extended to connect Cairo International Airport. The line crosses under the two branches of the River Nile, as does Line 2. The total length of the line will be approximately 50 kilometres (31.1 mi), most of which are in the bored tunnel, and will be implemented in four phases.

Phase 1 from Attaba station to Abbassia station opened on 21 February 2012, with five stations and a total length of 4.3 kilometres (2.7 mi). Phase 2 to Al Ahram Station was opened on May 7, 2014, by Adly Mansour, with four additional stations and an added length of 7.7 kilometres (4.8 mi), for a total length of 12.0 kilometres (7.5 mi). Phase 4A from Al Ahram to El Shams Club opened on June 15, 2019 (except for Heliopolis Square station which opened later that year). Phase 3A from Attaba station to Kit Kat station opened in October 2022, phase 3B from Kit Kat station to Rod El-Farag Corridor station adding six more stations and 6.6 kilometres (4.1 mi).
This extension was inaugurated on December 24, 2023,and began revenue service on January 1, 2024.

Operation

Daily operation of trains starts from 5:00 am to 12:00 am

Last train time in Green Line 3:

• From Adly Mansour station at 11:15 pm
• From Attaba station at 11:55 pm

The trip duration from Attaba to Adly Mansour is 37 minutes and vice versa with a headway of 6.5 minutes from 7:00 am to 9:00 pm and 11 minutes from 9:00 pm to the end of service.

Our fleet of trains consists of 15 trains with plans to increase them in order to respond to the increase in the number of passengers.