Is it a giant rock? What about a sunken ship? Beneath Seattle's waterfront, a mysterious object has halted Bertha, the world's largest tunnel-boring machine. Stumped engineers are unclear on how long a highway tunneling project will be suspended.
Dec 20, 2013 The New York Times
Fearing years of costly disruption from the construction of a key link connecting the region's rail systems, some of downtown L.A.'s largest property owners are suing the Metropolitan Transportation Authority.
Dec 18, 2012 Los Angeles Times