Legislators who represent the Sacramento-San Joaquin River Delta are vowing to fight Gov. Gavin Newsom's plan for a $20-billion water tunnel.

Several vehicles were damaged Friday when concrete debris fell from the ceiling of a Boston tunnel, resulting in considerable traffic backups.The incident occurred at approximately 1:30 p.m. on ...

Boston's tunnels are safe, says Mass DOT inspection after video shows concrete falling More than 150 locations in the Boston-area tunnel system have been inspected after video captured concrete ...