- Centers for Medicare & Medicaid Services (CMS)www.cms.gov
- National Aging and Disability Transportation Center (NADTC)www.nadtc.org
- Administration for Community Living (ACL)www.acl.gov
- Transportation Research Board (TRB)www.trb.org
- National Institutes of Health (NIH)www.nih.gov
- American Public Transportation Association (APTA)www.apta.com
