Skip to main content

Link to homepage

Environmental documents

View the analyses and reports on how Sound Transit works toward sustainability goals.

Home
Get to know us
Documents and reports
Environmental documents

547

Looking for project environmental documents?

Environmental review documents for active projects can be found in our System Expansion documents library.

Looking for SEPA rules?

Download Sound Transit's SEPA rules.

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

Filters

Document Type

Sustainability
Environmental Policy

Published Date

From:

To:

Filters

Reset

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
Stations and parking
Lost and found
Civil rights and complaints
Ride with us

Follow us

View in other languages

© 2023 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
- Riding transit in winter
- System performance tracker
Get to know us
- News and events
- Environment and sustainability
- Service maps
- Who we are
- Board of Directors
- Doing business with us
- Office of Civil Rights, Equity and Inclusion
- Jobs
- Our brand
- Panels and committees
- Paying for regional transit
- Documents and reports
System expansion
- 2023 Progress Report
- Current projects
- Realignment
- 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
The Platform blog
Feedback