Sound Transit ST3 Light Rail System Buildout
Sector: Road • Location: Seattle, Washington, United States
Source: West Seattle Blog...
The overall Sound Transit 3 (ST3) light rail system buildout is projected to have an increased cost of $22 to $30 billion in year-of-expenditure dollars, driven by construction inflation, right-of-way cost escalation, and project complexity. This includes extensions to Ballard, Tacoma Dome, Everett, Tacoma Community College, South Kirkland–Issaquah Link, and infill stations at Graham Street and Bo
- Status
- Prospective
- Sector
- Road, Rail, Government
- Location
- Seattle, Washington, United States of America
- Updated
- 22 Jul 2026
- Source
- West Seattle Blog...
ConstructChat
Ask ConstructChat about Sound Transit ST3 Light Rail System Buildout
Pick a question to edit it, or write your own.
First answer free · no account
Project Information FAQ
Project Information
Participants
Sponsoring Agency |
Status
Original status | planned |
Taiyo status | Prospective |
Taiyo last update | 2026-07-22 |
Contact
| Not available for this record. |
Description
Description | The overall Sound Transit 3 (ST3) light rail system buildout is projected to have an increased cost of $22 to $30 billion in year-of-expenditure dollars, driven by construction inflation, right-of-way cost escalation, and project complexity. This includes extensions to Ballard, Tacoma Dome, Everett, Tacoma Community College, South Kirkland–Issaquah Link, and infill stations at Graham Street and Boeing Access Road. |
Original sector | Transportation |
Budget |
Location
Country | United States of America (USA) |
State | Washington |
City | Seattle |
Source
Source | West Seattle Blog... |
URL |
More Details
Record type | Project |
Sector | Road, Rail, Government |
Article published date | 2025-09-16 |
Research
Free account
View all details
You are reading the public part. A free account opens the rest:
- Every detail on this project
- News and media coverage
- Technical research
Free account · no card · lands you back on this project