Washington State Route 900

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State Route 900 marker

State Route 900
SR 900 is highlighted in red.
Route information
Auxiliary route of I-90
Defined by RCW 47.17.825
Maintained by WSDOT
Length: 16.20 mi[2] (26.07 km)
Existed: 1964[1] – present
Major junctions
West end: I‑5 in Tukwila
  SR 167 in Renton
I‑405 / SR 169 in Renton
East end: I‑90 in Issaquah
Location
Counties: King
Highway system
SR 823 SR 901

State Route 900 is a state highway in the state of Washington, USA, getting its number as the westernmost spur of Interstate 90. It extends 16.20 miles (26.07 km) from I-5 in Tukwila east to I-90 in Issaquah.

Route description[edit]

SR 900 begins at the intersection with Ryan Way at I-5 exit 157, in Tukwila near the southeast corner of Boeing Field. It heads south on Martin Luther King Jr. Way (formerly Empire Way), with ramps to and from I-5, before splitting from the alignment of I-5 and heading east through Skyway into Renton. It heads into downtown Renton on Sunset Boulevard. At State Route 167, a one-way pair begins, with eastbound SR 900 on Third Street and westbound SR 900 on Second Street. At State Route 515, SR 900 heads northeast on Houser Way (eastbound) and Bronson Way (westbound), and after a block SR 900 east turns north on Mill Avenue to rejoin the westbound side on Bronson Way.

Just before Bronson Way crosses under I-405, SR 900 turns north along the west-side frontage road, Sunset Boulevard. Sunset crosses to the east side of I-405 and then turns east, however SR 900 enters I-405 for a one mile (2 km) overlap, exiting once again at Park Ave N. SR 900 turns east onto Park Ave N, which again becomes NE Sunset Blvd, taking SR 900 between the slopes of Cougar Mountain and Squak Mountain to its end at I-90 in Issaquah (though the name changes to Renton-Issaquah Road). Lake Sammamish State Park lies right across I-90 from the end of SR 900.

When the SR 900 designation was created in January 1964, and until April 1992, the highway also traversed part of the City of Seattle via Empire Way/Martin Luther King Jr. Way.[3]

History[edit]

The road now designated SR 900 was originally added to the state highway system in 1909, as an extension of the Snoqualmie Pass Road (State Road 7) which was completed for through traffic across the pass in 1915. At the time the highway was the main thoroughfare between Seattle and Spokane, with a route then around the south end of Lake Washington.[4] In 1913 the highway was renamed the Sunset Highway,[5] which is still an informal moniker today.

The road became State Road 2 in 1923 and Primary State Highway 2 in 1937. In 1926 the highway was co-designated to be part of US 10. The legislature in 1931 also designated the route as part of the Washington Loop Highway.

The opening of the Lake Washington Floating Bridge across Lake Washington in 1940 moved US 10/PSH 2 to the direct route, and the old alignment became Alternate US 10 and PSH 2 RE (for Renton). In 1955,[6] Alternate US 10 was dropped, and it became SR 900 in 1964.

After April 1, 1992, the stretch of SR 900 between I-90 exit 3 at Rainier Avenue and along Martin Luther King Jr. Way to the Boeing Access Road was dropped from the officially designated highway. The west end of SR 900 is now milepost 5.93 due to this truncation; the east end is milepost 21.64.

Major intersections[edit]

The entire highway is in King County.

Location Mile[2] km Destinations Notes
Tukwila 0.00 0.00 To I‑5 north / Boeing Access Road – Seattle Interchange; eastbound entrance and westbound exit; continues north as Martin Luther King Jr. Way South
0.55 0.89 I‑5 south – Portland Interchange
Renton 3.97 6.39 SR 167 south to I‑405
4.56 7.34 SR 515 south (Main Street)
5.10 8.21 SR 169 south / I‑405 to I‑5 – Maple Valley, Enumclaw Interchange
5.62 9.04 I‑405 south – Tacoma Interchange; west end of I-405 concurrency; westbound exit and eastbound entrance
6.52 10.49 I‑405 north – Everett Interchange; east end of I-405 concurrency
Issaquah 16.20 26.07 I‑90 – Seattle, Spokane Interchange; continues as 17th Avenue Northwest
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References[edit]

  1. ^ "47.17.825: State route No. 900". Revised Code of Washington. Washington State Legislature. 1970; revised 1979, 1991. Retrieved May 28, 2014.  Check date values in: |date= (help)
  2. ^ a b Finch, Mark, ed. (March 4, 2014) (PDF). State Highway Log: Planning Report 2013, SR 2 to SR 971 (Report). Washington State Department of Transportation. pp. 1761–1770. http://www.wsdot.wa.gov/mapsdata/roadway/pdf/HwyLog2013Statewide.pdf. Retrieved May 28, 2014.
  3. ^ "State Route 900". Angelfire.com. 1992-04-01. Retrieved 2013-11-12. 
  4. ^ "About US 2 WA". Roadnow.com. Retrieved 2013-11-12. 
  5. ^ http://www.wsdot.wa.gov/NR/rdonlyres/65A1FA26-0800-428A-A2AD-BEBA658D7A4F/0/40yearsReport.pdf
  6. ^ "Alternate U.S. Highways (US 1 to US 40)". Us-highways.com. Retrieved 2013-11-12. 

External links[edit]