Rest Areas and Service Plazas along I-5 in Washington are listed below. These listings run north to south. All I-5 rest areas are referenced by mile marker. Facilities such as picnic areas and public telephones, are shown as well as food and gas at the larger service centers.
| Mile Marker | Rest Area (access) | Services |
|---|---|---|
| (277) | US/Canada Border | |
| (269) | Washington Welcome Center (southbound only) |
|
| (267) | Custer Rest Area (northbound only) |
|
| (238) | Bow Hill Rest Area (southbound only) |
|
| (238) | Bow Hill Rest Area (northbound only) |
|
| (207) | Smokey Point Rest Area (southbound only) |
|
| (207) | Smokey Point Rest Area (northbound only) |
|
| (188) | Silver Lake Rest Area (southbound only) |
|
|
||
| (140) | SeaTac Rest Area (northbound only) |
|
| (93) | Maytown Rest Area (southbound only) |
|
| (90) | Scatter Creek Rest Area (northbound only) |
|
| (54) | Toutle River Rest Area (southbound only) |
|
| (54) | Toutle River Rest Area (northbound only) |
|
| (12) | Gee Creek Rest Area (southbound only) |
|
| (11) | Gee Creek Rest Area (northbound only) |
|
