| Abbrev. | Route |
| ana-fh | Anacortes/Friday Harbor |
| ana-lopez | Anacortes/Lopez |
| ana-orcas | Anacortes/Orcas |
| ana-shaw | Anacortes/Shaw |
| ana-sid | Anacortes/Sidney B.C. |
| ed-king | Edmonds/Kingston |
| f-s | Fauntleroy/Southworth |
| f-v | Fauntleroy/Vashon |
| muk-cl | Mukilteo/Clinton |
| pd-tal | Pt. Defiance/Tahlequah |
| pt-key | Port Townsend/Keystone |
| s-v | Southworth/Vashon |
| sea-bi | Seattle/Bainbridge Island |
| sea-br | Seattle/Bremerton |
| sea-vapo | Seattle/Vashon PO |