Sion to CST in 25 minutes? Times of India MUMBAI: Almost two years in the making, the city's longest flyover between Bharatmata and Lalbaug will be opened to the public on Monday. The 2.45-km flyover will help motorists reach Sion from CST in 25 minutes. This is the fourth flyover on Ambedkar ... 2.45-km Lalbaug flyover opens today Tale of longest flyover |