Traffic has been backed up for miles because of a deadly ceiling collapse inside a Big Dig tunnel in Boston.
Officials blame a steel ceiling tie for giving way, releasing three-ton slabs of concrete and crushing a car inside the major Interstate 90 connector. Authorities say the car's driver crawled through a window to get out, but his passenger was killed.
Officials are asking drivers -- especially those headed for Logan Airport -- to take public transit, instead of facing the extensive detours and delays.
The head of the Massachusetts Turnpike Authority calls it an "unacceptable, horrible tragedy" for a project already troubled by billions in cost overruns and allegations of shoddy construction.
The damaged section is closed indefinitely for repairs and inspections.
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