The rail system and bus system are insufficient to solve the problems of traffic congestion in the city. Solutions such as road widening and increased capacity of railway system were implemented but still many areas are still not reached by the efficient transportation.
Metro Rail Project was established to connect the parts of the city that are not connected to the rail system and covers the distance of areas which are 0.5 and 1 kilometer apart. It covers Navi Mumbai, Thane, Virar and Vasai.
In 2003, MMRDA aimed to find long-term solution to traffic for easy transportation in the MMR. So MMDR with the help of M/s. Delhi Metro Rail Corporation (DMRC), TATA Consultancy Services and Indian Institute of Technology formulated the Master Plan, along with Detailed Project Report, for the Mumbai Metro. The Master Plan was approved by the Authority in May 28, 2004. The proposal covers 146.5 kilometers in which 32.5 kilometers will be underground while the rest is erected from the ground.
The Master Plan has 9 divisions and has the three phases for the successful implementation of the program:
- The Phase I consists of Versova-Andheri-Ghatkopar which is 11.07 km, Charkop-Bandra-Mankhurd with 31.8 kilometers and Colaba Bandra with an underground distance of 20 km.
- Phase II is the development of Charkop-Dahisar with the distance of 7.5 km and Ghatkopar-Mulund with 12.4 km.
- Phase III has BKC-Kanjur Marg via Airport with 19.5 kilometers, Andheri (E)-Dahisar (E) with 18km, Hutatma Chowk Ghatkopar Remaining with 21.8km and Sewri-Prabhadevi with 3.5km.