The Big Dig has been easing Boston's once-notorious bottlenecks, but many commuters are still sitting in traffic longer.
The WBZ-TV I-Team has been exposing problems with the Big Dig for more than a decade. Ever since a groundbreaking series in 1995, the I-Team has been probing the use of billions of your tax dollars and holding those responsible, accountable.Watch: Archived Reports
Follow the timeline of how the Big Dig Disaster unfolded, from the tunnel collapse on July 10, 2006 through the repairs and investigation.View: Photo Timeline
May 2006: Executives Of Big Dig Supplier ArrestedApril 2006: Big Dig Tunnel Security In Question Sept 2005: New Big Dig Mistake Could Be CostlyApril 2005: FBI Targets Big Dig SupplierMarch 2005: New Safety Concerns for Big Dig Tunnel Sept 2004: Big Dig Tunnel Springs Big Leak
