I think you are not traveling to CMB because of this some road are close -> These days they are constructing main access from roads to tunnel.
1. Thunmulla - Done
2. Race Course - Done
3. Racecourse Car Park - ongoing
3. In front of UOC ground - On going
5. Stanly Wijesurendra mawatha (Back side of Art faculty) - ongoing
The 4.3 kilometers Torrington Tunnel will also lead rain waters into the ocean to prevent flooding.