New Delhi, March 3 -- Private investors are expected to commit close to Rs.1 trillion towards highway construction in FY27, potentially marking the largest annual private sector investment in India's roads sector, according to two people aware of the matter.

Projects worth around Rs.35,000 crore, reserved exclusively for private participation under the build-operate-transfer (toll) model, are likely to be bid out in the first three months of the next fiscal year, according to the first person cited above.

Detailed project reports for projects worth Rs.50,000-60,000 crore are being finalised and are expected to be opened for bidding in the third and fourth quarters of FY27.

"As all these would be BOT (toll) projects, the private sector ...