The Big Dig Central Artery/Tunnel Project, USA
Key Data:
Starting Construction
1991
Project type
Tunnel
Location
Boston, Massachusetts, USA
Estimated investment
$7.7 billion
Completion
2004
Key Players:
Sponsor
Metropolitan Highway System
Lead contractor
Bechtel/Parson Brinckerhoff
Financing
50% Federal funding, 50% State funding
Volume:
Vehicles per day
240,000
