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Bengaluru opens full Central Silk Board double-decker flyover system, completing 3.2 km multi-level corridor under metro Phase 2A

#Infrastructure News#Infrastructure#India#Karnataka#Bangalore
Last Updated : 7th May, 2026
Synopsis

The Karnataka government has operationalised all five flyovers at the Central Silk Board junction in Bengaluru, completing a 3.2 km double-decker road-cum-metro corridor aimed at easing congestion at one of the city’s busiest intersections. The final two flyovers were opened in the past week, enabling uninterrupted movement across key routes including HSR Layout, BTM Layout and Electronic City. Developed as part of the metro Phase 2A project along the Outer Ring Road, the infrastructure integrates elevated roadways with metro rail. Executed by Afcons Infrastructure, the project involved complex, phased construction under traffic constraints and is expected to reduce travel time significantly for daily commuters.

The Karnataka government stated in the past week that all five flyovers forming the Central Silk Board double-decker corridor in Bengaluru have been made operational, completing a 3.2 km multi-level transport system designed to decongest one of the city’s busiest traffic junctions under the metro Phase 2A project.


The final stretch, comprising Flyovers D and E, was inaugurated in the presence of Deputy Chief Minister D K Shivakumar and Member of Parliament Tejasvi Surya. With this, the entire system—South India’s first integrated road-cum-rail double-decker structure—has become fully functional, providing new traffic movement options across key urban corridors.

The project has been executed by Afcons Infrastructure Ltd as part of its contract for the elevated section of the Bengaluru Metro Blue Line between Silk Board and KR Puram. The 9.8 km elevated metro stretch includes the redevelopment of the Central Silk Board junction, which has historically experienced high traffic volumes throughout the day.

The flyover system has been constructed across five levels, with Flyover D reaching a height of approximately 28 metres, making it the tallest within the network. The project required construction in a constrained urban environment, with limited working hours—primarily between midnight and early morning—due to continuous traffic movement and the presence of existing infrastructure, including operational flyovers and metro lines.

According to project officials, the sequential execution of works was necessary due to space limitations at the junction, which includes an existing drainage channel on one side and multiple active transport corridors. Despite these constraints, the full set of flyovers—labelled A, B, C, D and E—has now been completed and opened for traffic.

The earlier phase saw Flyovers A, B and C become operational in mid-2024, enabling traffic movement from Ragigudda and BTM Layout towards HSR Layout and Electronic City while bypassing the Silk Board signal. With the addition of Flyovers D and E, commuters travelling from HSR Layout towards BTM Layout and Ragigudda can now avoid the junction entirely, reducing congestion at the signal.

Officials indicated that the completed system is expected to reduce travel time by up to 30 minutes for certain routes, particularly during peak hours. The junction, considered the second-most congested in Bengaluru after Hebbal, has been a focus area for infrastructure upgrades aimed at improving traffic flow along the Outer Ring Road corridor.

The integrated flyover network forms a key component of Bengaluru’s broader urban mobility strategy, combining elevated road infrastructure with metro rail development to address congestion and improve connectivity across major residential and commercial zones.

Source - PTI

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