Mumbai Metro Line 3: Colaba-Bandra-SEEPZ Corridor Reaches 80% Project Completion Mark
The Mumbai Metro Line 3, also known as Aqua Line, is making significant progress towards becoming the first underground public transport system in Mumbai. With Phase 1 of the project (Aarey to BKC) achieving an impressive 86.4% completion rate and Phase 2 (BKC to Cuffe Parade) reaching 76% completion, the overall project work completion has reached 80%.
The Aqua Line stretches for approximately 33.5 km from Colaba (Cuffe Parade) in the extreme south of Mumbai to the Special Electronics Export Processing Zone (SEEPZ) in the north-central region, making it one of the longest underground continuous stretches in India. The line connects some of Mumbai’s most congested areas, including key financial hubs such as Nariman Point, Bandra-Kurla-Complex (BKC), Fort, Worli, Lower Parel, and Goregaon.

This article explores the progress of the Colaba-Bandra-SEEPZ Corridor and the significant role it will play in Mumbai’s public transportation system.
The Colaba-Bandra-SEEPZ Corridor
The Colaba-Bandra-SEEPZ Corridor is a much-awaited infrastructure project that promises to revolutionize public transport in Mumbai. The underground metro line will ease the burden on Mumbai’s congested roads, providing a faster, more efficient, and eco-friendly mode of transportation.
The project is divided into two phases, with the first phase covering a distance of 23.5 km from Aarey to BKC and the second phase covering a distance of 10 km from BKC to Cuffe Parade.
Phase 1: Aarey to BKC
Phase 1 of the project comprises 13 stations, of which nine are underground. These stations are being built at a depth of 20 to 29 meters, with standardized station sizes and platforms designed to fit eight-car trains. The station works on the entire stretch are in the final leg, and the phase is expected to be ready and open to the public by December 2023.
Phase 2: BKC to Cuffe Parade
Phase 2 of the project comprises nine stations, of which seven are underground. The work on this phase is over 76% complete, and it is expected to be completed by 2024.
Impact of the Colaba-Bandra-SEEPZ Corridor
The Colaba-Bandra-SEEPZ Corridor is expected to have a significant impact on Mumbai’s public transportation system. It will provide a much-needed boost to Mumbai’s economy by improving connectivity to key financial hubs, reducing travel time, and easing the burden on the city’s congested roads.
Moreover, the project is expected to have a positive impact on the environment, as it will reduce the number of cars on the road, thus reducing pollution levels.
Conclusion
The Colaba-Bandra-SEEPZ Corridor is a much-awaited project that promises to revolutionize Mumbai’s public transportation system. The Aqua Line will provide a faster, more efficient, and eco-friendly mode of transportation and improve connectivity to key financial hubs. With the first phase of the project expected to be ready and open to the public by December 2023, Mumbai is on the verge of witnessing a new era of transportation.