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Washington State Route 8

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Vorlage:Disambig-acronym Vorlage:Infobox road

State Route 8 (SR 8) is a state highway in Grays Harbor and Thurston counties, of the U.S. state of Washington. It extends Vorlage:Convert from U.S. Route 12 (US 12) in the city of Elma, east to an interchange with US 101 about Vorlage:Convert northwest of the state capital, Olympia. SR 8 intersects SR 108 west of McCleary. The route serves as a connector between Elma and Olympia.

The highway formerly was part of the Elma – Grand Mound branch of Primary State Highway 9 (PSH 9 EG) from 1937 until 1964, which ran from Elma southeast to Interstate 5 (I-5), formerly US 99 in Grand Mound, which was later added as part of US 12 in 1967. The road also forms the northern boundary of Capitol State Forest in Thurston County.

Route description

SR 8 runs Vorlage:Convert east from US 12 in Elma to an interchange with US 101 Vorlage:Convert northwest of Olympia.[1] The route links the city of Elma with Olympia, and intersects only one other highway, SR 108, in McCleary.[2][3][4] WSDOT has found that more than 17,000 motorists utilize the road daily at the interchange with US 101 based on average annual daily traffic (AADT) data.[5]

The expressway portion of SR 8 going eastbound towards US 101.

SR 8 starts at an interchange with US 12 in Elma. From the interchange, the expressway goes northeast past Downtown Elma and starts to parallel the Chehalis River.[6] After crossing the river twice, the highway intersects SR 108, which goes northeast towards Kamilche, west of McCleary. After passing Downtown McCleary, SR 8 has a partial cloverleaf interchange with Mox Chehalis Road. From the interchange, the expressway goes east to form the northern boundary of the Capitol State Forest,[7] and passes Summit Lake.[8] From Summit Lake, the highway turns northeast and merges with US 101 southbound.[2][9]

History

The shield of PSH 9 EG.

Before the Primary and Secondary system, SR 8 in 1923 was part of a branch of State Road 9, from Elma to Grand Mound.[10] Later, in 1937, the route from Elma to Grand Mound became part of Elma – Grand Mound branch of Primary State Highway 9 (PSH 9 EG).[11] PSH 9 EG became SR 8 in 1964 during the 1964 highway renumbering, in which the Washington State Department of Transportation (WSDOT) replaced the previous system of Primary and Secondary Highways with a new system called State Routes, which is still in use today.[12][13]

A map showing SR 8 in 1964, when the highway went from Elma to Grand Mound.

Later in 1967, US 12 was extended from Lewiston, Idaho westward to Aberdeen.[14] It was approved on June 20, 1967, and it replaced the route of US 410, therefore making the highway obsolete.[14] Since US 12 used the all-weather White Pass and SR 8 from Elma to Grand Mound, and US 410 used Chinook Pass, which was closed during the winter, US 12 bypassed US 410 and what is now SR 8.[15] Signs were changed in late December 1967,[16] and the bypassed segments of US 410 became a new SR 8.[17][18]

On June 9, 2007, a tanker fire occurred on SR 8 when a tanker truck with 10,000 gallons of fuel collided with another vehicle and started a fire. The fire caused SR 8 to close for a couple of hours except for the westbound left lane, which crews used to get oil out of the soil underneath the highway.[19] During the Winter 2007 storm, a slope that held up SR 8 was eroded by floodwaters. The slope, located on SR 8 west of the US 101 interchange, and is scheduled to begin this season and last 2 months.[20] In 2010, WSDOT aims to rebuild the columns that support the SR 8/US 101 interchange and reduce the risk of failure in an earthquake, such as the 2001 Nisqually earthquake.[21]

Major intersections

County Location Mile[1] Destinations Notes
Grays Harbor Elma 0.00 Vorlage:Jct Continues as US 12 west
Vorlage:Jct Interchange; westbound exit and eastbound entrance
McCleary 6.03 Vorlage:Jct
7.39 Mox Chehalis Road – McCleary Partial cloverleaf interchange
Thurston 20.67 Vorlage:Jct Interchange; eastbound exit and westbound entrance

References

Vorlage:Reflist

  1. ↑ a b Referenzfehler: Ungültiges <ref>-Tag; kein Text angegeben für Einzelnachweis mit dem Namen log.
  2. ↑ a b Vorlage:Google maps
  3. ↑ Rand McNally (Hrsg.): The Road Atlas. [Karte]. 2008, ISBN 0-528-93961-0, S. 108, Planquadrat H4, H5, H6.
  4. ↑ G.M. Johnson (Hrsg.): Olympia, Lacey, Tumwater, Thurston County. [Karte] (= City Street Maps). 2007. Auflage. 2007 (maplink.com [abgerufen am 19. Oktober 2008]).
  5. ↑ Washington State Department of Transportation: Washington Annual Average Daily Traffic Data. 2007, abgerufen am 19. Oktober 2008.
  6. ↑ G.M. Johnson (Hrsg.): Port Angeles, Port Townsend, Sequim, Aberdeen, Hoquiam. [Karte] (= City Street Maps). 2008 edition Auflage. 2008, Beilage Elma (maplink.com [abgerufen am 23. Oktober 2008]).
  7. ↑ Vorlage:Google maps
  8. ↑ Tele Atlas (Kartograph): SR 8 – Emergency Slide Repair – Unstable Slope Map. [Karte]. Hrsg.: Washington State Department of Transportation. 2007 (wa.gov [abgerufen am 19. Oktober 2008]).
  9. ↑ U.S. Geological Survey (Kartograph): Official State Highway Map. [Karte], Maßstab 1:842,000. Hrsg.: Washington State Department of Transportation (= Official State Highway Maps). 2008-2009 Auflage. Olympia, Washington 2008, Planquadrat E2 (wa.gov [PDF; abgerufen am 19. Oktober 2008]).
  10. ↑ Washington State Legislature: Session Laws of the State of Washington (= Session Laws of the State of Washington). 1923 edition Auflage. Washington State Legislature, Olympia, Washington 1923, Kap. 185 (google.com [abgerufen am 19. Oktober 2008]).
  11. ↑ Washington State Legislature: Session Laws of the State of Washington (= Session Laws of the State of Washington). 1937 edition Auflage. Washington State Legislature, Olympia, Washington 1937, Kap. 190 (google.com [abgerufen am 19. Oktober 2008]).
  12. ↑ C. G. Prahl, Washington State Highway Commission: Identification of State Highways, Part 1. (PDF) 1. Dezember 1965;.
  13. ↑ C. G. Prahl, Washington State Highway Commission: Identification of State Highways, Part 2. (PDF) 1. Dezember 1965;.
  14. ↑ a b Richard F. Weingroff: U.S. 12 Michigan to Washington. Federal Highway Administration, 7. Mai 2005, abgerufen am 19. Oktober 2008.
  15. ↑ All-Weather Plan Picked By Highway Commission, April 23, 1967, S. 5 
  16. ↑ Highway 410 is now U.S. No. 12, December 28, 1967, S. 1 
  17. ↑ U-B Action Line, September 29, 1968, S. 1 
  18. ↑ Washington State Highway Commission: Annual Traffic Report. (PDF) 1970, abgerufen am 19. Oktober 2008.
  19. ↑ Kelly Stowe: Lane Closures Continue on SR 8 after Tanker Fire, Washington State Department of Transportation. Abgerufen am 19. Oktober 2008 
  20. ↑ Washington State Department of Transportation: SR 8 – Emergency Slide Repair – Unstable Slope. Abgerufen am 19. Oktober 2008.
  21. ↑ Washington State Department of Transportation: SR 8 – US 101 Undercrossing – Seismic Retrofit. Abgerufen am 19. Oktober 2008.
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