Washington 530
| Termini | I-5 (exit 208) west of Arlington to WA-20 in Rockport |
| Length | 50.5 miles |
| "Where does it go?" | WA-530 runs from I-5 west of Arlington, into Arlington, Darrington and then north to Rockport and WA-20. |

Washington State DOT - Construction on SR-530
Highways of
Washington State - State Route 530
Washington
State Legislation - Route 530