Washington 166
| Termini | WA-16 west of Port Orchard to the eastern city limits of Port Orchard on SE Mile Hill Rd. |
| Length | 5.0 miles |
| "Where does it go?" | Runs along the old WA-160, which was moved to SE Sedwick Rd, south of the downtown area of Port Orchard. Highway runs along the south shore of Sinclair Inlet into Port Orchard. |

Highways of
Washington State - State Route 166
Washington
State Legislation - Route 166