Mumbai Longest Flyover: MMRDA Plans 21-Km Double-Decker Link Between Shil Phata and Bhiwandi

Mumbai Longest Flyover:

The Mumbai longest flyover is set to redefine urban connectivity as the Mumbai Metropolitan Region Development Authority (MMRDA) plans a 21-kilometre double-decker structure linking Shil Phata junction to Ranjnoli junction in Bhiwandi via Kalyan. Once completed, this massive infrastructure will become India’s longest city flyover, combining both metro and vehicular traffic routes.

MMRDA’s Vision for Seamless Connectivity

According to senior officials from MMRDA, the upcoming double-decker flyover will include a four-lane road on the lower level and metro tracks on the upper level. The project will seamlessly integrate with some of the region’s most significant infrastructure corridors, including the Virar–Alibaug Multi-Modal Corridor and the Mumbai–Ahmedabad Bullet Train route.

An official confirmed that the authority has initiated the process of appointing a consultant to prepare the Detailed Project Report (DPR). This consultant will also handle the design, bidding, and implementation stages, ensuring the project’s smooth progress from paper to pavement.

A Record-Breaking Urban Flyover

Currently, Hyderabad’s 11-km Visweswaraiah Flyover holds the record as the country’s longest. However, the proposed 21-km double-decker in Mumbai will surpass it by a significant margin, setting a new benchmark in India’s urban infrastructure landscape.

Unlike intercity elevated roads such as the 165-km Yamuna Expressway, this project is designed specifically to ease intra-city congestion across Thane district’s busiest corridors — connecting the eastern and central suburbs more efficiently.

Project Route and Integration with Major Highways

As per MMRDA’s plan, the flyover will start at Shil Phata on National Highway 48, pass through Dombivli and Kalyan, and end at Ranjnoli junction on National Highway 160. Along its route, it will link several key transport arteries such as the Airoli–Katai Freeway at Katai Naka and the Virar–Alibaug Corridor, making it a vital addition to Mumbai’s road and metro network.

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Metro Connectivity on Upper Deck

The upper deck of the Mumbai longest flyover will feature three metro lines:

• Metro Line 5 – Bhiwandi to Kalyan
• Metro Line 12 – Kalyan to Taloja
• Metro Line 14 – Kanjurmarg to Badlapur

Together, these lines will drastically improve commuter mobility between Mumbai’s eastern suburbs and neighboring satellite cities. Officials confirmed that the project will also consider the alignment of the Mumbai–Ahmedabad bullet train during the design phase to ensure cohesive planning across all transport modes.

Engineering and Construction Challenges

The double-decker flyover will cross railway tracks at two major points – near Katai Naka and Patri Pul in Kalyan. Since these sections lie on the busy Central Railway Line, construction will demand advanced engineering techniques to avoid disruption to local and long-distance train operations.

According to experts, the MMRDA is likely to employ precast segmental construction and night-time heavy-lift operations to minimize traffic and railway blockages during the build phase.

Economic and Urban Impact

Beyond its record-breaking length, the Mumbai longest flyover is expected to significantly reduce congestion, cut travel time, and enhance inter-city trade movement. Once operational, it will provide direct vehicular and metro access between industrial hubs like Bhiwandi, Dombivli, Kalyan, and Taloja, benefiting both commuters and logistics operators.

Urban planners believe that this project could become a blueprint for future double-decker infrastructure in India’s megacities, where land scarcity and population density demand vertical solutions.

The MMRDA’s proposed 21-km double-decker flyover represents a milestone in Mumbai’s urban evolution. By merging road and metro transit on a single structure, it promises faster commutes, reduced congestion, and better connectivity across the Mumbai Metropolitan Region.

If completed as planned, the Mumbai longest flyover will not only hold a national record but also stand as a symbol of innovation and efficient city planning in India’s financial capital.