Central Artery/Tunnel Project (The Big Dig)
Sector: Road • Location: Boston, Massachusetts, United States
Source: Commonwealth of Massachusetts
The Central Artery/Tunnel Project, known as The Big Dig, was the largest highway project in U.S. history, aimed at reducing traffic congestion in Boston by replacing the elevated Central Artery with an underground highway and improving local infrastructure. It included the construction of new bridges and the extension of I-90 to Logan International Airport, creating over 300 acres of open land and
- Status
- Closed
- Sector
- Road, Tunnel, Airport, Government
- Location
- Boston, Massachusetts, United States of America
- Updated
- 22 Jul 2026
- Source
- Commonwealth of Massachusetts
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Project Information
Participants
Sponsoring Agency | |
Company |
Status
Original status | Completed |
Taiyo status | Closed |
Taiyo last update | 2026-07-22 |
Contact
| Not available for this record. |
Description
Description | The Central Artery/Tunnel Project, known as The Big Dig, was the largest highway project in U.S. history, aimed at reducing traffic congestion in Boston by replacing the elevated Central Artery with an underground highway and improving local infrastructure. It included the construction of new bridges and the extension of I-90 to Logan International Airport, creating over 300 acres of open land and reconnecting downtown Boston to the waterfront. |
Original sector | Transportation |
Budget |
Location
Country | United States of America (USA) |
State | Massachusetts |
City | Boston |
Source
Source | Commonwealth of Massachusetts |
URL |
More Details
Record type | Project |
Sector | Road, Tunnel, Airport, Government |
Article published date | 2025-03-20 |
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