Synopsis

The National Geographic Channel’s *MegaStructures* examines the remarkable history behind Boston’s Big Dig. Costing nearly fifteen billion dollars and spanning almost twenty years, this undertaking is recognized as the most complex, costly, and technically demanding public works project ever attempted in the United States. The initiative stemmed from Fred Salvucci, then Transportation Commissioner to the Mayor of Boston, who sought a remedy for the city’s persistent traffic congestion. His visio