Investigation Report:
NTSB Report (PDF)Technical Links:
Epoxy TunnelLinks of Potential Interest:
Big Dig ceiling collapse Collapse of Big Dig Ceiling in Boston Is Tied to Glue Public demand for Big Dig accountability ‘Epoxy Creep’ Main Factor in Big Dig Ceiling Panel Collapse $28M settlement in fatal Big Dig Collapse Big Dig Ramp Reopens HNTB The Big Dig Tunnels and Bridges
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