| Interstate 405 | |
|---|---|
| Template loop detected: Template:Infobox road/translation/USA | |
| Route information | |
| Auxiliary route of I-5 | |
| Defined by RCW 47.17.595 | |
| Maintained by WSDOT | |
| Length: | 30.30 mi (48.76 km) |
| Major junctions | |
| South end: | I-5 / SR 518 in Tukwila |
| SR 167 in Renton I-90 in Bellevue SR 520 in Bellevue SR 522 in Bothell | |
| North end: | I-5 / SR 525 in Lynnwood |
| Location | |
| Counties: | King, Snohomish |
 Auxiliary routes of Interstate 5 [edit]
| |
|---|---|
| California | 5E1 • 5W1 • 105 • 1051 • 205 • 3055 • 405 • 505 • 605 • 805 • 9052 • Business |
| Oregon | 105 • 205 • 3054 • 405 • 5054 |
| Washington | 205 • 405 • 6053 • 705 • Business |
| Legend | 1Former • 2Future • 3Proposed • 4Unbuilt • 5Unsigned |