Cairo is the biggest city in Africa concerning population as there are 20 million inhabitants living in Cairo so Metro helps us to a great extent to solve the problem of traffic making it easy and smooth. This is the history of he Egyptian Metro:

26 Sept 1987: Helwan -Mubarak
05 April 1989: Mubarak - El Marg
1999: El Marg - New El Marg
Oct 1996: Shobra - Mubarak (8km)
Sept 1998: Mubarak - Sadat (3km)
19 April 1999: Sadat - Cairo University (5.5km, including Nile crossing)
08 Oct 2000: Cairo University - Giza Suburban (2.7km)
17 Jan 2005: Giza Suburban - Moneib (2.5km)

Memphis Tours can help you to see and get on Metro.