[11] The Construction of the project started in 1982 after the French government agreed on giving Egypt the necessary loan.

The first New Marg - Helwan line costs 1107 million Francs which were converted into Egyptian currency and divided into multiple stages.

[13] Additional costs were made available as requested by the ministry of transportation: The construction of the Helwan-El Marg line was in two stages.

Access to Cairo International Airport is expected via transfer to Line 3 upon completion of Phase 4 in early 2020.

[18] Transurb Technirail will provide Cairo Metro with a driving simulator and a computer-assisted learning area to train Line 1 drivers, improving their driving skills and to train them on the elementary functions of the rolling stock and on how to handle malfunctions.