State Route 900 (Washington)
Encyclopedia
State Route 900 is a state highway
State highway
State highway, state road or state route can refer to one of three related concepts, two of them related to a state or provincial government in a country that is divided into states or provinces :#A...

 in the state
U.S. state
A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...

 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
Tukwila, Washington
Tukwila is a city in King County, Washington, United States. The northern edge of Tukwila borders the city of Seattle. The population was 19,107 at the 2010 census.-History:...

 east to I-90 in Issaquah
Issaquah, Washington
Issaquah is a city in King County, Washington, United States. The population was 30,434 at the 2010 census.Based on per capita income, Issaquah ranks 25th of 522 areas in the State of Washington to be ranked....

.

Route description

SR 900 begins at the intersection with Ryan Way at I-5 exit 157, near the southeast corner of Boeing Field
Boeing Field
Boeing Field, officially King County International Airport , is a two-runway airport owned and run by King County, Washington, USA. In promotional literature, the airport is frequently referred to as KCIA, but this is not the airport identifier. The airport has some passenger service, but is mostly...

. 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 into Renton
Renton, Washington
Renton is an Eastside edge city in King County, Washington, United States. Situated 11 miles southeast of Seattle, Washington, Renton straddles the southeast shore of Lake Washington. Founded in the 1860s, Renton became a supply town for the Newcastle coal fields...

 (with a short section in Seattle
Seattle, Washington
Seattle is the county seat of King County, Washington. With 608,660 residents as of the 2010 Census, Seattle is the largest city in the Northwestern United States. The Seattle metropolitan area of about 3.4 million inhabitants is the 15th largest metropolitan area in the country...

). It heads into downtown Renton on Sunset Boulevard. At State Route 167
State Route 167 (Washington)
State Route 167, commonly known as the Valley Freeway, is a state highway in the U.S. state of Washington. It connects Interstate 5 in Tacoma with Interstate 405 in Renton, and is long.-Route description:...

, a one-way pair
One-way pair
A one-way pair, one-way couple, or just couplet is a pair of parallel, usually one-way streets that carry opposite directions of a signed route or major traffic flow, or sometimes opposite directions of a bus or streetcar route....

 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
Interstate 405 (Washington)
Interstate 405 in Washington is a stretch of freeway that bypasses Seattle east of Lake Washington. The northern terminus is in Lynnwood and the southern terminus is in Tukwila...

, SR 900 turns north along the west-side frontage road
Frontage road
A frontage road is a non-limited access road running parallel to a higher-speed road, usually a freeway, and feeding it at appropriate points of access...

, 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 (1.6 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
Cougar Mountain
Cougar Mountain Regional Wildland Park is a regional park in King County, Washington, near the towns of Bellevue and Issaquah. The park was established in June 1983 to protect the central core of Cougar Mountain...

 and Squak Mountain
Squak Mountain
Squak Mountain is the second most westerly mountain of the Issaquah Alps mountain chain in Washington state. It is situated between Cougar Mountain to the west and Tiger Mountain to the east. Interstate 90 parallels the base of the north side of the mountain. Much of the Squak Mountain watershed...

 to its end at I-90 in Issaquah
Issaquah, Washington
Issaquah is a city in King County, Washington, United States. The population was 30,434 at the 2010 census.Based on per capita income, Issaquah ranks 25th of 522 areas in the State of Washington to be ranked....

 (though the name changes to Renton-Issaquah Road). Lake Sammamish State Park
Lake Sammamish State Park
Lake Sammamish State Park is a park at the south end of Lake Sammamish, in King County, Washington, United States. The park is administered by the Washington State Park System. The park covers an area of and has of waterfront and is known for its boating and watersport activities, such as...

 lies right across I-90 from the end of SR 900.

History

  • Before April 1, 1992, SR 900 continued west (compass north) along Martin Luther King, Jr. Way and Rainier Avenue to end at I-90 exit 3. The west end of SR 900 is now milepost
    Milestone
    A milestone is one of a series of numbered markers placed along a road or boundary at intervals of one mile or occasionally, parts of a mile. They are typically located at the side of the road or in a median. They are alternatively known as mile markers, mileposts or mile posts...

     5.93 due to this truncation; the east end is milepost 21.64.
  • Before the Lake Washington Floating Bridge
    Lake Washington Floating Bridge
    The Lake Washington Floating Bridge could refer to one of three floating bridges on Lake Washington:* Lacey V. Murrow Memorial Bridge, opened in 1940 to carry U.S. Route 10 and now carries Interstate 90....

     was built across Lake Washington
    Lake Washington
    Lake Washington is a large freshwater lake adjacent to the city of Seattle. It is the largest lake in King County and the second largest in the state of Washington, after Lake Chelan. It is bordered by the cities of Seattle on the west, Bellevue and Kirkland on the east, Renton on the south and...

     in 1940, SR 900 was one of the major roads east from Seattle, taking US 10 and Primary State Highway 2 around the south side of the lake. It had been established by the legislature as a State Highway in 1909,http://www.wsdot.wa.gov/research/History/stateroads1893-1935.pdf and PSH 2 was completed for through traffic in 1915 (the last section being east of SR 900, through Snoqualmie Pass
    Snoqualmie Pass
    Snoqualmie Pass is a mountain pass that carries Interstate 90 through the Cascade Range in the U.S. State of Washington. The elevation of the pass summit is , and is on the county line between Kittitas County and King County...

    ).http://www.wsdot.wa.gov/Centennial/1905-1920.htm The opening of the bridge 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,http://www.us-highways.com/altus.htm#a610 Alternate US 10 was dropped, and it became SR 900 in 1964.

Exit list

The entire route is in King County.
Location Mile Destinations Notes
Tukwila 0.00 M. L. King Way Continuation beyond Boing Access Road
0.00 Boeing Access Road to Airport Way, East Marginal Way Former SR 181
0.19 Interchange
0.65 – Portland Interchange; eastbound exit and westbound entrance
Renton 3.97
4.56
5.40 , Tacoma
Houser Way Bypass Interchange; eastbound exit and westbound entrance
5.62 Sunset Boulevard Northeast
5.62 West end of I-405 overlap; interchange; westbound exit and eastbound entrance
6.52 East end of I-405 overlap; interchange
Issaquah 16.20 Interchange
16.20 Lake Sammamish State Park
Lake Sammamish State Park
Lake Sammamish State Park is a park at the south end of Lake Sammamish, in King County, Washington, United States. The park is administered by the Washington State Park System. The park covers an area of and has of waterfront and is known for its boating and watersport activities, such as...

Continuation beyond I-90

External links

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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