Big Dig, Central Artery / Tunnel Project, Boston, MA, USA
Key Data:
Owner / management
Massachusetts Turnpike Authority
Cost
$14.625bn
Dimensions
7.8 miles of highway (161 lane miles)
Major project objectives
Northbound Central Artery, Southbound Central Artery, Leonard P. Zakim Bunker Hill Bridge, Leverett Circle Connecter Bridge, Ted Williams Tunnel, I-90 Extension and Interchanges
Key Contractors:
Bridges
Daniel O'Connells Sons, Atkinson, Kiewit
Roads and interchanges
Modern Continental, M. DeMatteo, Flatiron, J.F. White, Slattery, Interbeton, Cashman, Perini, Obayashi, Jay Cashman, Peter Kiewit Sons’ Incorporated, Aggregate Industries
OCC Complex
J.F. White Contracting Co.
