As part of the project, motorists will be able to hear musical notes after exiting the northbound tunnel, as special rumble strips or grooves have been laid along the lane next to the median over a 500-metre stretch

Mumbai Suburban Guardian Minister Ashish Shelar has urged the chief minister to approve a helipad proposal, citing the recent Pune-Mumbai Expressway gas tanker mishap that stranded commuters for nearly 36 hours and exposed serious gaps in emergency and disaster response systems