AustinfromAustin Monitor3 days agoBehind those walls along I-35, TxDOT is building one of the largest tunnels Austin's ever seen - Austin MonitorA 6.5-mile, 22-foot-wide drainage tunnel will be bored beneath I-35 and East Cesar Chavez in Austin to carry stormwater and prevent highway flooding.
UK newsfromwww.bbc.com1 month agoFour million tons of clay moved in HS2 excavationFour TBMs completed excavation of the 8.4-mile Northolt tunnel beneath west London; engineers are lifting the TBMs, including 'Anne', to the surface.