240 Possible Bolt Problems in Big Dig

Investigators for the Massachusetts Turnpike Authority say they have found some 240 trouble spots, as they investigate the ceiling panel collapse that killed a Jamaica Plain woman in an I-90 tunnel Monday night.

As Bianca Vazquez Toness reports, the investigation remains focused on the anchor bolt system that holds the concrete panels in place.

This program aired on July 14, 2006. The audio for this program is not available.


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