2newcw11 thefan-am1090seattle-logo-fina2l
SUBWAY BEAST MODE CHALLENGE 2014 | Sign up for ourĀ 3.5-mile adventure run | INFO |

borer

Many of Big Bertha's cutter-head openings are clogged with dirt and debris. (Credit: Washington Department of Transportation)

Fixing Seattle Tunneling Machine Will Take Months

Wash. DOT says many of Big Bertha’s cutter-head openings are clogged with dirt and debris.

02/11/2014