Bengaluru Smart Infrastructure (B-SMILE), a special purpose vehicle, has issued global tenders for Bengaluru’s proposed Twin Tunnel Road project linking Hebbal’s Esteem Mall Junction to Silk Board Junction in the south.

The 16.7 km tunnel project will be executed in two segments and aims to reduce traffic congestion. According to the tender notice, the construction period is set at 50 months, equivalent to four years and two months, targeting completion by the end of 2029. The project follows the build, own, operate, and transfer (BOOT) model, with a total concession period of 34 years.

Package 1 will span 8.748 km from Esteem Mall Junction to Seshadri Road, Race Course Junction, costing Rs 8,770 crore and requiring a financial guarantee of Rs 43.85 crore. Package 2 will cover 8.748 km from Seshadri Road to Silk Board Junction, estimated at Rs 8,928 crore with a financial guarantee of Rs 44.64 crore. The tunnels will each have three lanes, with entry and exit points along the route. “At least eight Tunnel Boring Machines (TBMs) will be deployed for construction,” officials confirmed.