India, July 25 -- After widening the Pune-Mumbai Expressway to 10 lanes, the Maharashtra State Road Development Corporation (MSRDC) has initiated work on a detailed project report (DPR) to upgrade the old Pune-Mumbai Highway from four lanes to six.

The project is estimated to cost between Rs.5,000 crore and Rs.6,000 crore, with the investment proposed to be recovered through toll revenue. As a result, the existing toll collection period, currently permitted until 2035, may be extended by 10 to 15 years.

The proposed widening is expected to include new road links and alignment improvements to enhance traffic flow and reduce travel time, particularly through the Lonavla and Khandala ghat sections. The existing four-lane highway will be ex...