The Mumbai Metropolitan Region Development Authority (MMRDA) is building a massive network of 14 Metro rail lines in the Mumbai Metropolitan Region (MMR) spanning a total of 337.1 kilometres. Of these, three spanning 46.5 km are operational, eight spanning 165.7 km, are under various stages of construction and the rest are in the planning and tendering stages.

“The Mumbai Metro network is arguably the largest in the world being constructed in any one given point of time. This expanded network will not only alleviate the current passenger congestion on local trains and decongest roadways but also provide the citizens of the MMR with the convenience of seamless travel from east to west or north to south, connecting Mumbai, Thane and Navi Mumbai,” Dr Sanjay Mukherjee, metropolitan commissioner, MMRDA, told mid-day.