The Mumbai Metropolitan Region Development Authority (MMRDA) has awarded Louis Berger the project management and construction management contract to work alongside a consortium for the city’s Metro Line 4. Once completed, the service is expected to reduce travel times between Wadala and Kasarvadavali by up to 75%. Line 4, expected to cost ₹15,549 crore ($1.59bn), will be a 32.3-kilometer long elevated corridor with 32 stations. The route will offer interconnectivity between the eastern expressway, central