Washington, SR 99 Tunnel
Sector: Tunnel • Location: Washington, United States
Source: National Governors Association
This project involves the construction of a new tunnel to replace the aging Alaskan Way Viaduct, improving traffic flow and safety in downtown Seattle.
- Status
- Closed
- Sector
- Tunnel, Bridge, Government
- Location
- Washington, United States of America
- Updated
- 22 Jul 2026
- Source
- National Governors Association
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Project Information
Participants
Sponsoring Agency |
Status
Original status | completed |
Taiyo status | Closed |
Taiyo last update | 2026-07-22 |
Contact
| Not available for this record. |
Description
Description | This project involves the construction of a new tunnel to replace the aging Alaskan Way Viaduct, improving traffic flow and safety in downtown Seattle. |
Original sector | Transportation |
Budget |
Location
Country | United States of America (USA) |
State | Washington |
Source
Source | National Governors Association |
URL |
More Details
Record type | Project |
Sector | Tunnel, Bridge, Government |
Article published date | 2025-03-20 |
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