RATP Dev expands role in Cairo Metro Line 3 and Light Rail Transit, Egypt September 11, 2025 | Middle East & Africa News, News RATP Dev Mobility Cairo (RDMC), a subsidiary of France’s RATP Group, continues to operate and maintain Cairo Metro Line 3 under a contract with Egypt’s Ministry of Transport. The scope also covers the... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password