Why Mumbai is Making So Many Tunnels?

#mumbai #roads #seatunnel
It was in the late 90s that the transformation of the city started with the slew of flyovers beginning to take over the landscape. With rapidly increasing regular density and limitations of horizontal expansion in the city, the flyovers today are stretched to the utmost.
As bridges and elevated metro corridors Criss cross all parts of the city, planners feel that going underground the costly, is a viable option for not only metro projects but also road corridors.
Today there are at least 11 tunnel based project in the making ranking from east west corridor to rail system like the metro and the bullet train across the Mumbai metropolitan region.
The metro 3 underground corridor one of the first underground mass transit project in the city almost ready the country's first undersea twin tunnels, Which are a part of Mumbai costal road project are getting finishing touches.