In areas like BKC, Santacruz, and Andheri, citizens face long vehicle queues, delays, and daily mental stress due to severe traffic congestion. Mumbai’s traffic woes have persisted for many years, but now the MMRDA is preparing to launch a major new project to provide a permanent solution.
The authority plans to build a 70 km-long underground tunnel corridor, which will become the city’s third major transport system after the metro and railways. This underground road network will significantly reduce traffic on Mumbai’s main routes. Built beneath existing metro and road lines, the project is estimated to cost around INR 1.05 trillion.
The corridor will connect Mumbai’s coastline, the BKC area, and the Chhatrapati Shivaji Maharaj International Airport (CSMIA). This will enable faster and safer travel from west to east and north to south across the city.
The project will be completed in three phases:
Phase 1: A 16 km stretch from Worli Sea Link to the airport via BKC, aimed at easing airport traffic.
Phase 2: A 10 km east-west link road to improve cross-city connectivity.
Phase 3: A 44 km north-south corridor, the largest phase, expected to greatly reduce congestion on the Western Express Highway and S.V. Road, easing traffic across Mumbai.
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