Citizens Accessibility Advisory Committee (CAAC)

The CAAC advises the agency on regional mobility and accessibility issues.


Citizens Accessibility Advisory Committee

Founded in 1999, the Citizens Accessibility Advisory Committee (CAAC) provides feedback regarding challenges and solutions for people with disabilities and older adults using Sound Transit buses and trains. The work of this committee enhances other public involvement groups and activities through its crucial focus on ADA compliance and accessibility best practices. It is an important part of the process that helps Sound Transit provide regional transportation that is accessible to everyone.

The CAAC is a 15-member committee representing the diverse ridership of Sound Transit. Committee members are Sound Transit riders who have a disability, are 65 or older, family members or caregivers of people with disabilities or older adults, or professionals or volunteers in the field of disability and aging services. They represent these geographic service areas:

  • Two members from each of the following:
    • Pierce County
    • South King County
    • North King County
    • East King County
    • Snohomish County
  • And five at-large members

The CAAC charter provides details on the CAAC and member responsibilities. Members are expected to: 

  • Serve a two-year term with the potential to serve three consecutive terms
  • Attend 75 percent of committee meetings each year either by phone or in person
  • Actively engage in the review of projects by offering unique viewpoints at each meeting
  • Proactively engage colleagues and peers not serving on the CAAC to gain a greater insight into the customer’s experience of Sound Transit
  • Take a leadership role in sharing information with the public regarding the accessibility of Sound Transit’s services

Sound Transit accepts applications on an ongoing basis for consideration when open CAAC positions become available. To apply, complete this online application form. Reasonable accommodation to complete this application is available upon request by emailing To be eligible, you must live or work in the region served by Sound Transit – Pierce County, King County and Snohomish County, and meet one or more of the following criteria:

  • A person with a disability
  • A person who is 65 or older
  • A family member or caregiver for a person with a disability or older adult
  • A professional or volunteer working with people with disabilities or older adults.

For questions please call 1-888-889-6368 or email To request an accommodation under the ADA to attend this meeting, please contact us at Advance notice will help ensure availability of ASL interpreters.