Document library

Dive into the details and find helpful information in the links listed below. Types of materials that are available include: detailed project information, Board of Directors materials, environmental documents and technical reports. Documents may include graphics and drawings based on the early stages of design. Designs are subject to change as the project progresses. Not all project documents are available online. Contact us if you have questions.

ST3 DRAFT PLAN INFORMATION

On March 24, 2016, the Sound Transit Board of Directors released a ST3 Draft Plan for public input (comment period ended May 2, 2016). The ST3 Draft Plan is explained in these documents.

ST3 DRAFT PLAN PUBLIC INVOLVEMENT

Candidate projects

The ST3 Candidate Project List identified those projects advanced by the Sound Transit Board of Directors on August 27, 2015 that were further evaluated to develop an ST3 Draft Plan.

DRAFT PRIORITY PROJECTS PUBLIC INVOLVEMENT

The Candidate Projects were shaped by the Draft Priority Project List, informed by public involvement during the summer of 2015. Here are documents summarizing the results of that public involvement.