Cairo Metro Line 3 is a main line of the Cairo Metro mass transit system in Greater Cairo, Egypt. Currently, the line connects Attaba in east-central Cairo with Al Salam bus stop at a station named Adly Mansour metro station. The line will eventually extend from the northwest of the Greater Cairo area at Imbaba to the northeast serving Cairo International Airport. The line will cross the River Nile twice at the western branch between Kit Kat and Zamalek and the eastern branch between Zamalek and downtown Cairo. The total length of the line will be approximately 30.6 km of which 28.1 km is an underground section and the rest of the line about 2.5 km shall be on grade and will be implemented in four phases. The project includes a main workshop adjacent to the western terminal of the line and