Skip to main content

Link to homepage

Christmas Eve and Christmas holiday service | 12/24 - 12/25 Learn more about how your route may be affected

Planning documents

The System Planning process is how we develop ballot measures for system expansion.

Home
Get to know us
Documents and reports
Planning documents

Loading documents...

View filters

Filters

System plans

Sound Move
Sound Transit 2
Sound Transit 3
Long Range Plan

Corridors

Central corridor
East corridor
North corridor
South corridor
Regional

Document types

Voter-approved plans
Project summaries
Plan development and public input
Public outreach

Project types

Link Light Rail
Sounder Train
ST Express Bus
Bus Rapid Transit
Partnership
Study
Other

Published Date

From:

To:

Filters

Reset

Can't find what you're looking for?

Our website includes documents from 2011 and later. You can also obtain any public agency information through an official records request.

Request public records

Sign up for service alerts and other updates

Enter your email or 10-digit phone number

Need assistance?

General rider inquiries
main@soundtransit.org
1-888-889-6368, TTY Relay 711,
Monday - Friday, 8 a.m. to 6 p.m.

Accessibility inquiries
1-800-201-4900, TTY Relay 711,
Monday - Friday, 8 a.m. to 6 p.m.

Call or text security 24/7
206-398-5268

Quick links

Jobs
System map
Translation services
New to Sound Transit?
News and events
Parking
Lost and found
Civil rights and complaints
Ride with us

Follow us

© 2024 Sound Transit

Terms, conditions and privacy policy

Main menu

Home
Ride with us
- How to ride
- How to pay
- Trip planner
- Routes and schedules
- Popular destinations
- Know before you go
- Navigating service disruptions
- Riding transit in winter
- System performance tracker
Get to know us
- News and events
- Environment and sustainability
- Service maps
- Board of Directors
- Doing business with us
- Office of Civil Rights, Equity and Inclusion
- Jobs
- Our history
- Our brand
- Panels and committees
- Paying for regional transit
- Documents and reports
System expansion
- Current projects
- Realignment
- Winter Progress Report
- Building the system
- Creating vibrant stations
- Planning future service
- Innovation and technology
Help and contacts
- Frequently asked questions
- Translation services
- Lost and found
- Business information
LifeSTyle
The Platform blog
Feedback