About National Authority for Tunnels
n view of the historical position of Cairo as one of the most important major capitals in the world and the emergence of many transportation problems in it as a result of the steady increase in the population, the Egyptian government has invited many expert houses specialized in the field of transportation to conduct field studies of transportation problems in Cairo starting from the fifties of the last century to the present time. In order to meet the requirements of changing the demographic map of Greater Cairo and the emergence of several residential communities with large densities on its outskirts, this led to the necessity of studying the modification of the subway lines network to serve the new urban communities (6 October - New Cairo - Al-Shorouk -
