Washington State Route 110

State Route 110 (SR 110) is a 11.10-mile-long (17.86 km) state highway serving Olympic National Park and the Quileute Indian Reservation within Clallam County, located in the U.S. state of Washington. The highway travels west from U.S. Route 101 (US 101) in Forks as La Push Road along the Quileute and Sol Duc rivers to the boundary of Olympic National Park east of La Push. La Push Road was originally added to the state highway system in 1937 as Secondary State Highway 9B (SSH 9B), but was removed in 1955. SR 110 was later established on the route in 1991 after a previous highway with the same designation was removed. A spur route extending west to Mora was originally added with SSH 9B and re-added with SR 110 in 1991.

State Route 110
La Push Road
Operations Desert Shield and Desert Storm Memorial Highway
SR 110 highlighted in red
Route information
Auxiliary route of US 101
Defined by RCW 47.17.212
Maintained by WSDOT
Length11.10 mi[1] (17.86 km)
Existed1991[2]–present
Major junctions
East end US 101 in Forks
 
SR 110 Spur near Mora
West endOlympic National Park boundary
Location
CountiesClallam
Highway system
← SR 109SR 112 →

Route description

SR 110 begins as La Push Road at an intersection with US 101 in Forks,[3] located between the Sol Duc and Calawah rivers.[4][5] The highway travels southwest towards the Pacific Ocean, intersecting its spur route to Mora before crossing the Bogachiel River and ending at the entrance to Olympic National Park.[6] La Push Road continues northwest into the Quileute Indian Reservation and the community of La Push.[7][8][9]

Every year, the Washington State Department of Transportation (WSDOT) conducts a series of surveys on its highways in the state to measure traffic volume. This is expressed in terms of average annual daily traffic (AADT), which is a measure of traffic volume for any average day of the year. In 2011, WSDOT calculated that between 1,300 and 2,300 vehicles per day used the highway, mostly at the US 101 intersection.[10]

History

SR 110 was established in 1991 on the existing La Push Road from US 101 in Forks to Olympic National Park,[2] previously part of SSH 9B. SSH 9B and a spur route to Mora was designated in 1937 as part of the newly created Primary and secondary state highways,[11] but was removed in 1955.[12][13] After the 1964 highway renumbering, a separate SR 110 was established as an auxiliary route of SR 11, extending from the highway in Fairhaven to Interstate 5 (I-5) in Bellingham. SR 11 replaced SR 110 after being re-aligned to end at I-5 in 1975.[14] SR 110 was designated as the Operations Desert Shield and Desert Storm Memorial Highway by the state legislature and state transportation commission in 2010.[15]

Spur route

State Route 110 Spur
LocationUnincorporated Clallam County
Length2.67 mi[1] (4.30 km)
Existed1991–present[2]

SR 110 has a 2.67-mile-long (4.30 km) spur route serving Mora to the north of the Quileute River.[1] The highway, known as Mora Road,[1] begins at SR 110 west of Forks and travels west across the Sol Duc River into Olympic National Park and the Quileute Indian Reservation,[4][7] crossing the Dickey River into Mora.[16][17] The gravel road was added to the state highway system as a spur of SSH 9B in 1937,[11] but the highways were removed in 1955.[12][13] After SR 110 was re-added to the state highway system in 1991, the spur route was put into state maintenance once again.[2]

Major intersections

The entire highway is in Clallam County.

Locationmi[1]kmDestinationsNotes
Forks0.000.00 US 101 – Port Angeles, AberdeenEastern terminus
​7.8012.55
SR 110 Spur west (Mora Road) – Mora
​11.1017.86Olympic National Park boundaryWestern terminus; continues as La Push Road
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
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References
  1. Staff (2012), State Highway Log: Planning Report 2011, SR 2 to SR 971 (PDF), Washington State Department of Transportation, pp. 1017–1019, retrieved January 29, 2013
  2. "47.17.212: State route No. 110", Revised Code of Washington, Washington State Legislature, 1991, retrieved January 29, 2013
  3. "Feature Detail Report for: Forks", Geographic Names Information System, United States Geological Survey, September 10, 1979, retrieved January 29, 2013
  4. "Feature Detail Report for: Sol Duc River", Geographic Names Information System, United States Geological Survey, December 31, 1992, retrieved January 29, 2013
  5. "Feature Detail Report for: Calawah River", Geographic Names Information System, United States Geological Survey, September 10, 1979, retrieved January 29, 2013
  6. "Feature Detail Report for: Bogachiel River", Geographic Names Information System, United States Geological Survey, September 10, 1979, retrieved January 29, 2013
  7. "Feature Detail Report for: Quileute Reservation", Geographic Names Information System, United States Geological Survey, September 10, 1979, retrieved January 29, 2013
  8. "Feature Detail Report for: La Push", Geographic Names Information System, United States Geological Survey, September 10, 1979, retrieved January 29, 2013
  9. Google (January 29, 2013). "State Route 110" (Map). Google Maps. Google. Retrieved January 29, 2013.
  10. Staff (2011), 2011 Annual Traffic Report (PDF), Washington State Department of Transportation, p. 138, retrieved January 29, 2013
  11. Washington State Legislature (March 18, 1937), "Chapter 207: Classification of Public Highways", Session Laws of the State of Washington, Session Laws of the State of Washington (1937 ed.), Olympia, Washington: Washington State Legislature, p. 1006, retrieved January 29, 2013, (b) Secondary State Highway No. 9B; beginning at a junction with Primary State Highway No. 9 in the vicinity south of the crossing of the Sol Duc river, thence in a westerly direction by the most feasible route to Mora; also beginning at a junction with Secondary State Highway No. 9B, as herein described, in the vicinity of the confluence of the Sol Duc and Bogachiel rivers, thence in a westerly direction by the most feasible route to La Push.
  12. Washington State Legislature (1955), "Chapter 383", Session Laws of the State of Washington, Session Laws of the State of Washington (1955 ed.), Olympia, Washington: Washington State Legislature
  13. Copalis Beach, 1957 (JPG) (Map). 1:250,000. United States Geological Survey. 1957. Retrieved January 29, 2013.
  14. "Chapter 47.17 RCW Dispositions - 47.17.205: State route No. 110", Revised Code of Washington, Washington State Legislature, 1970; revised 1971; repealed 1975, retrieved January 29, 2013 Check date values in: |year= (help)
  15. "WSTC Resolution No. 697" (PDF). Washington State Transportation Commission. May 18, 2010. Retrieved October 1, 2018.
  16. "Feature Detail Report for: Dickey River", Geographic Names Information System, United States Geological Survey, September 10, 1979, retrieved January 29, 2013
  17. Google (January 29, 2013). "State Route 110 Spur" (Map). Google Maps. Google. Retrieved January 29, 2013.
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