The Mumbai–Pune Expressway is India's first 6-lane wide concrete, access-controlled tolled expressway. It spans a distance of 94.5 km connecting Raigad-Navi Mumbai-Mumbai, the capital of Maharashtra state and the financial capital of India, with Pune, the cultural and educational capital of Maharashtra. The expressway, which was fully operationalized in 2002, introduced new levels of speed and safety in automobile transportation to Indian roads. It is one of India's busiest roads.

Raigad district, previously Colaba district, is a district in the Konkan division of Maharashtra, India. The headquarters of the district is Alibag. Other major cities in the district are Panvel, Karjat, Navi Mumbai, Khopoli, Shrivardhan and Mahad.