Rs 9,700 Crore Double-Decker Flyover Project In Bengaluru Under Namma Metro Phase 3 Gets Karnataka Cabinet Nod

Bengaluru is set to witness a major infrastructure boost with the Karnataka cabinet approving a Rs 9,700-crore double-decker viaduct project as part of Namma Metro Phase 3, the Hindustan Times reported.

The project, led by the Bangalore Metro Rail Corporation Limited (BMRCL), will integrate elevated metro lines with flyovers along two key corridors, making it the first-of-its-kind in the city.

The first corridor will stretch 28.486 km from J P Nagar 4th Phase to Kempapura along the western Outer Ring Road (ORR), becoming Bengaluru’s longest flyover.

The second, covering 8.635 km, will connect Hosahalli to Kadabagere on Magadi Road. Together, the twin flyovers will span 37.121 km, combining road and metro infrastructure.

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Parliamentary Affairs Minister HK Patil said the approved cost includes civil works, land acquisition, and design.

The Union government will finance only the metro lines, while the state will bear half the flyover cost.

Urban local bodies will contribute 10 per cent, with the remaining 40 per cent funded through loans. The state has already allocated Rs 4,000 crore in the 2025–26 budget for Namma Metro, part of which will support this project.

Originally planned at 44.65 km, the double-decker stretch was trimmed to 37.121 km.

The Union cabinet had cleared Phase 3 in August 2024, but modifications for the stacked design delayed implementation.

Civil works are expected to begin by early next year, with tenders for the first four packages, covering stations and viaducts, set to be issued later this month. Contractors will be given up to 60 days, with finalisation likely by mid-November.

With groundwork scheduled to start in January 2025, Phase 3 is now expected to be completed by May 2031, instead of 2030, at a cost about 5 per cent higher than the earlier Rs 15,611-crore estimate.

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