Interstate 405 (Washington)

I-405
Route information
Length	30.30 mi (48.76 km)
Existed	1957–present
NHS	Entire route
Major junctions
South end	I-5 / SR 518 in Tukwila
Major intersections	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
Country	United States
State	Washington
Counties	King, Snohomish
Highway system
Interstate Highway System Main Auxiliary Suffixed Business Future State highways in Washington Interstate US State Scenic Pre-1964 1964 renumbering Former
← SR 401 SR 409 →

Interstate 405 (I-405) is an auxiliary Interstate Highway of I-5 located in the Seattle region of Washington, United States. It goes north-south as it bypasses Seattle east of Lake Washington, going through the Eastside area of King and Snohomish counties. The 30-mile (48 km) highway goes through the cities of Renton, Bellevue, Kirkland, and Bothell. I-405 also intersects a lot of other major highways, including I-90, Washington State Route (SR) 167, SR 520, and SR 522. I-405 is one of the busiest highways in the state, and is often the most busiest during peak travel times, leading to long traffic delays for travelers.

References