3 more loose bolts found in Big Dig tunnel (AP)

BOSTON - Traffic was disrupted once again in a key Big Dig tunnel after inspectors found loose bolts in a ceiling panel — the same sort of problem that is believed to have killed a motorist earlier this month. Three loose bolts — one had dislodged about a half inch — were found at the westbound entrance to the Ted Williams harbor tunnel Monday. Traffic was diverted around the questionable panel and it was shored up with a portable support device. "This is a precautionary step. There ...