Mumbai’s Brihanmumbai Municipal Corporation (BMC) has approved a Rs 125.37 crore expansion of the Sion flyover on the Eastern Express Highway (EEH), aimed at easing congestion and improving traffic movement towards South Mumbai. The project involves constructing two additional vehicular arms connecting Sion Circle directly with the highway, providing an alternative route for motorists travelling from Ghatkopar and Chembur towards Dadar and beyond.
The proposed extensions will run alongside the existing flyover without changing its current alignment. Each new arm is planned to be 1.12 km long and 8.5 metres wide, including crash barriers. According to Additional Municipal Commissioner (Projects) Abhijit Bangar, the present arrangement results in an uneven distribution of traffic, as only one lane is available for southbound movement. The additional structures are expected to improve road capacity and reduce travel time after opening.
The civic body has fixed December 2028 as the target for completing the project.
Background and Infrastructure Development
The existing 1.09 km Sion flyover, comprising three lanes, was constructed by the Maharashtra State Road Development Corporation (MSRDC) in 2003 at a cost of Rs 31 crore. Initially developed to strengthen the connection between Sion Circle and the Eastern Express Highway, it has faced increasing traffic pressure as vehicle numbers across Mumbai have grown.
MSRDC managed the structure until 2021. In 2022, following a state government directive, the BMC assumed responsibility for the flyover along with 25 other bridges and flyovers across the city.
Different from the Sion Railway Overbridge
The planned expansion is separate from the recently reconstructed Sion railway overbridge. While the railway bridge provides an east-west connection across the railway tracks, the existing flyover links Sion Circle with the Eastern Express Highway through BA Road. The proposed arms are specifically intended to improve southbound road connectivity.
Potential Impact on Sion’s Real Estate Market
Improved road access could make Sion more convenient for residents commuting towards South Mumbai and nearby commercial districts. Better connectivity may also strengthen the locality’s appeal among homebuyers and support property demand in Sion and neighbouring areas.
With an investment of Rs 125.37 crore, the expansion is expected to address a longstanding traffic bottleneck, with completion targeted for December 2028.
Source: Magic Bricks
