A map of Snohomish County with SR 526 highlighted in red
Route information
Auxiliary route of I-5
Maintained by WSDOT
Length
4.52 mi[1] (7.27 km)
Existed
1964[2]–present
Tourist routes
Cascade Loop Scenic Byway
Major junctions
West end
SR 525 in Mukilteo
East end
I-5 / SR 99 / SR 527 in Everett
Location
Country
United States
State
Washington
County
Snohomish
Highway system
State highways in Washington
Interstate
US
State
Scenic
Pre-1964
1964 renumbering
Former
← SR 525
→ SR 527
State Route 526 (SR 526), also known as the Boeing Freeway, is a state highway in Snohomish County, Washington, United States. The east–west highway travels 4.52 miles (7.27 km) and connects SR 525 in Mukilteo to Interstate 5 (I-5) in southern Everett. The highway serves the Boeing Everett Factory and Paine Field; it also serves as a main route to the city of Mukilteo and the state-run ferry to Whidbey Island.
SR 526 was established during the 1964 state highway renumbering as the successor to Secondary State Highway 1I (SSH 1I) between Mukilteo and Everett. Its original route followed a wagon road traveling along Possession Sound that opened in 1914; it was moved onto its current route in 1967 after Boeing announced its intention to build a factory in Everett for its 747 airliner.
^Finch, Mark, ed. (March 4, 2014). State Highway Log: Planning Report 2013, SR 2 to SR 971 (PDF) (Report). Washington State Department of Transportation. pp. 1659–1662. Retrieved May 28, 2014.
^"47.17.740: State route No. 526". Revised Code of Washington. Washington State Legislature. 1970. Retrieved May 28, 2014.
and 18 Related for: Washington State Route 526 information
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Global Information
Cascade Loop Scenic Byway
SR 525 in Mukilteo
I-5 / SR 99 / SR 527 in Everett