Washington State Route 161

State Route 161 (SR 161) is a 36.25-mile-long (58.34 km) state highway serving Pierce and King counties in the U.S. state of Washington. The highway begins at SR 7 southwest of Eatonville and travels north as Meridian Avenue to Puyallup, becoming concurrent with SR 512 and SR 167. SR 161 continues northwest as the Enchanted Parkway to end at an intersection with SR 18 in Federal Way, west of Interstate 5 (I-5). The highway serves the communities of Graham and South Hill before reaching Puyallup and the communities of Edgewood, Milton, and Lakeland South before reaching Federal Way.

State Route 161
SR 161 is highlighted in red.
Route information
Auxiliary route of SR 410
Defined by RCW 47.17.310
Maintained by WSDOT
Length36.25 mi[1] (58.34 km)
Existed1964[2]–present
Major junctions
South end SR 7 near Eatonville
  SR 512 in Puyallup
SR 167 in Puyallup
North end SR 18 in Federal Way
Location
CountiesPierce, King
Highway system
← SR 160SR 162 →

SR 161 was established during the 1964 highway renumbering, replacing three Secondary State Highways (SSHs): Secondary State Highway 5D (SSH 5D) and SSH 5G, both established in 1937, and SSH 5N, established in 1955. SSH 5D served as a connector between Federal Way and Puyallup and SSH 5G served as a connector between Puyallup and South Hill. SSH 5N connected Eatonville to South Hill and was extended south towards La Grande in 1967. SR 161 was moved onto a bypass of Puyallup in the 1980s and formed concurrencies with SR 167 and SR 512 as a result. As of 2013, projects to expand the highway in Edgewood and Milton and adding new offramps at the I-5 and SR 18 interchange are in progress.

Route description

SR 161 begins southwest of Eatonville and north of La Grande in rural Pierce County at an intersection with SR 7. The highway travels northeast to pass the Charles Lathrop Pack Experimental and Demonstration Forest and cross the Little Mashel River into Eatonville. The roadway crosses the Mashel River into Downtown Eatonville, turning north onto Mashell Avenue and later Washington Avenue.[1] SR 161 turns west onto Meridian Avenue north of Eatonville High School and leaves the city on a two-lane highway. Meridian Avenue, named for a meridian parallel to the Willamette Meridian,[3] continues north through rural Pierce County, passing Clear Lake and Tanwax Lake, before entering the community of Graham and crossing a Tacoma Rail line near Graham-Kapowsin High School.[4] SR 161 travels north and passes South Hill and Pierce County Airport (Thun Field) before entering Puyallup. The highway turns northwest at the South Hill Mall onto 31st Avenue and intersects the SR 512 freeway in a partial cloverleaf interchange,[5] beginning a 3.41-mile-long (5.49 km) concurrency.[1][6]

SR 161 and SR 512 travel north on a freeway in Puyallup, intersecting Meridian Street at the Puyallup Fairgrounds and Pioneer Avenue at a partial cloverleaf interchange.[7][8] After the intersection with Pioneer Avenue, the freeway travels over a BNSF rail line that serves Puyallup station and crosses the Puyallup River before a trumpet interchange with SR 167.[4][9] At the interchange,[10] SR 512 ends and SR 161 northbound turns west on a 1.83-mile-long (2.95 km) wrong-way concurrency with SR 167, designated as traveling southbound.[1] SR 161 turns north onto Meridian Avenue at Fort Malone as SR 167 travels south into Downtown Puyallup,[11] and the highway continues north and crosses a Union Pacific rail line.[4] Meridian Avenue continues north to form the boundary between Edgewood and Milton, where the highway intersects Milton Way, the former route of SR 514.[12] SR 161 turns northwest into King County as the Enchanted Parkway,[1] passing through Lakeland South and Wild Waves Theme Park before crossing over I-5. The Enchanted Parkway turns north into Federal Way and ends at an intersection with SR 18, located between SR 99 and I-5.[6]

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 340 and 99,000 vehicles per day used the highway, mostly in the Puyallup area.[13]

History

SR 161 was formed during the 1964 highway renumbering as the successor to SSH 5N from Primary State Highway 5 (PSH 5) north of La Grande to South Hill, SSH 5G from South Hill to U.S. Route 410 (US 410) in Puyallup, and SSH 5D from US 410 north of Puyallup to US 99 Federal Way.[2][14] The highway was also concurrent with US 410, signed in 1926,[15] between the eastern end of SSH 5G in Downtown Puyallup and the southern end of SSH 5D.[16][17] SSH 5D and SSH 5G were established during the creation of the Primary and secondary state highways in 1937,[18] and SSH 5N was established in 1955 to Eatonville and extended south to PSH 5 near La Grande in 1967 after SR 161 was created.[19][20][21] SR 161, including the concurrency with US 410, was signed into law in 1970 as a highway extending from SR 7 near Eatonville to US 99.[2][22][23] US 410 was replaced with an extension of SR 167 in the Tacoma area and US 12 east of the Cascade Mountains in 1967 and the highway was shortened from US 99 to SR 18 in 1971.[2][24]

SR 161 was moved east onto a bypass of Puyallup, creating concurrences with SR 512 and SR 167, in the late 1980s,[25] and designated, within King County, as the Enchanted Parkway in 1987 as the last major revision to the highway.[26][27] A freeway extension to SR 167 between Tacoma and Puyallup has been proposed since the 1990s and would create a new interchange with SR 161 north of the Puyallup River,[28][29] but as of 2013 the freeway has not been built.[27][30] The eastbound ramps at end of the concurrency between SR 161 and SR 167 was realigned in late 2008 to reduce congestion and started recent improvements to the highway.[31] WSDOT is widening the Enchanted Parkway through the Edgewood and Milton area from 2 lanes to 4 lanes with wider shoulders and sidewalks to be completed by 2027.[32] The interchange between I-5 and SR 18 was reconstructed with a new flyover ramp from westbound SR 18 to SR 161 that was completed in July 2012.[33] Another ramp, from southbound I-5 to SR 161, was opened months later and is planned to be replaced with a ramp to South 356th Street that feeds into a roundabout with SR 161.[34] The ramp had been proposed since the 1990s.[35]

Major intersections
CountyLocationmi[1]kmDestinationsNotes
Pierce​0.000.00 SR 7 – Mt. Rainier, TacomaSouthern terminus
Puyallup25.74–
25.83		41.42–
41.57		 SR 512 west – TacomaInterchange; south end of SR 512 overlap
South end of freeway
26.31–
27.01		42.34–
43.47		Meridian Street South – Puyallup
27.16–
27.70		43.71–
44.58		Pioneer Avenue East
28.04–
29.15		45.13–
46.91		 SR 167 north to SR 410 east – Seattle, YakimaNorth end of SR 512 overlap; southern terminus of SR 512
South end of SR 167 overlap
North end of freeway
29.8748.07 SR 167 south – Puyallup, TacomaNorth end of SR 167 overlap
Edgewood33.3153.61Milton WayFormer SR 514
KingFederal Way36.2558.34 SR 18 to I-5 – Auburn, North Bend, SeattleNorthern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
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gollark: I feel much more comfortable with pythonous longterm things.
gollark: It's entirely possible that sensibly done asynchronous python code would be faster.
gollark: I always just use preeeeeexisting HTTP libraries, due to bee.

References
  1. Staff (2012). "State Highway Log: Planning Report 2011, SR 2 to SR 971" (PDF). Washington State Department of Transportation. pp. 1097–1110. Retrieved January 22, 2013.
  2. "47.17.310: State route No. 161". Revised Code of Washington. Washington State Legislature. 1970; revised 1971, 1987. Retrieved January 22, 2013. Check date values in: |year= (help)
  3. Vest, Carl. "Meridian Ave, Willamette Meridian have something in common". South Hill Historical Society. Retrieved November 28, 2018.
  4. 2011 Washington State Rail System (PDF) (Map). Washington State Department of Transportation. January 2012. Retrieved January 25, 2013.
  5. "SR 512: Junction SR 161/94th Ave E." (PDF). Washington State Department of Transportation. October 3, 2004. Retrieved January 25, 2013.
  6. Google (January 22, 2013). "State Route 161" (Map). Google Maps. Google. Retrieved January 22, 2013.
  7. "SR 512: Junction Meridian St" (PDF). Washington State Department of Transportation. October 3, 2004. Retrieved January 25, 2013.
  8. "SR 512: Junction Pioneer Ave" (PDF). Washington State Department of Transportation. October 3, 2004. Retrieved January 25, 2013.
  9. Passenger Rail System - Washington State (PDF) (Map). Washington State Department of Transportation. January 2012. Retrieved January 25, 2013.
  10. "SR 167: Junction SR 512" (PDF). Washington State Department of Transportation. April 28, 2010. Retrieved January 25, 2013.
  11. "SR 167: Junction SR 161" (PDF). Washington State Department of Transportation. April 20, 2011. Retrieved January 25, 2013.
  12. "SR 161: Junction 8th St E./Jovita Blvd E" (PDF). Washington State Department of Transportation. October 2, 1996. Retrieved January 25, 2013.
  13. Staff (2011). "2011 Annual Traffic Report" (PDF). Washington State Department of Transportation. pp. 146–147, 149–150, 192–193. Retrieved January 25, 2013.
  14. Prahl, C. G. (December 1, 1965). "Identification of State Highways" (PDF). Washington State Highway Commission, Department of Highways. Retrieved January 25, 2013.
  15. Bureau of Public Roads & American Association of State Highway Officials (November 11, 1926). United States System of Highways Adopted for Uniform Marking by the American Association of State Highway Officials (Map). 1:7,000,000. Washington, DC: U.S. Geological Survey. OCLC 32889555. Retrieved November 7, 2013 – via University of North Texas Libraries.
  16. Northwest, 1946 (Map). Rand McNally. 1946. Retrieved January 25, 2013.
  17. Seattle, 1958 (JPG) (Map). 1:250,000. United States Geological Survey. 1958. Retrieved January 25, 2013.
  18. Washington State Legislature (March 18, 2013). "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. 1003. Retrieved January 25, 2013. (d) Secondary State Highway No. 5D; beginning at Puyallup on Primary State Highway No. 5, thence in a northerly direction by the most feasible route to a junction with Primary State Highway No. 1; (f) Secondary State Highway No. 5G; beginning at Puyallup on Primary State Highway No. 5, thence in a westerly direction by the most feasible route to a junction with Primary State Highway No. 5 south of Tacoma, thence in a westerly direction by the most feasible route to a junction with Primary State Highway No. 1 south of Tacoma.
  19. 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. Secondary state highway No. 5N; beginning at a junction with primary state highway No. 5 in Puyallup, thence in a southerly direction to Eatonville.
  20. Hoquiam, 1958 (JPG) (Map). 1:250,000. United States Geological Survey. 1958. Retrieved January 25, 2013.
  21. Washington State Legislature (1967). "Extended Session 145". Session Laws of the State of Washington. Session Laws of the State of Washington (1967 ed.). Olympia, Washington: Washington State Legislature.
  22. Seattle, 1965 (JPG) (Map). 1:250,000. United States Geological Survey. 1965. Retrieved January 25, 2013.
  23. Hoquiam, 1968 (JPG) (Map). 1:250,000. United States Geological Survey. 1968. Retrieved January 25, 2013.
  24. Weingroff, Richard (April 7, 2011). "U.S. 12: Michigan to Washington". Federal Highway Administration. Retrieved January 25, 2013.
  25. Fuchs, Steve. "SR 167 - Tacoma to Edgewood - History". Washington State Department of Transportation. Archived from the original on October 23, 2014. Retrieved January 25, 2013.
  26. Washington State Legislature (February 6, 1987). "Senate Bill No. 5666". Session Laws of the State of Washington. Session Laws of the State of Washington (1987 ed.). Olympia, Washington: Washington State Legislature. That portion of state route 161 within King county shall be designated Enchanted Parkway.
  27. Washington State Highways, 2011–2012 (PDF) (Map). 1:842,000. Washington State Department of Transportation. 2011. Retrieved January 25, 2013.
  28. "Fife Candidates Grapple With Growth". The News Tribune. Tacoma, Washington. October 20, 1993.
  29. "Valley Freeway extension to I-5 still alive - barely, Puyallup-to-Tacoma link hit hard by Initiative 695". The News Tribune. Tacoma, Washington. January 26, 2000.
  30. Fuchs, Steve (January 2013). "SR 167 - Tacoma to Edgewood New Freeway Construction". Washington State Department of Transportation. Retrieved January 25, 2013.
  31. Deffenbacher, Jon (November 2008). "SR 161 - SR 167 Eastbound Ramp - Complete November 2008". Washington State Department of Transportation. Archived from the original on February 3, 2013. Retrieved January 25, 2013.
  32. Cook, Jeff (January 2013). "SR 161 - 36th to Jovita - Additional Lanes". Washington State Department of Transportation. Retrieved January 25, 2013.
  33. "Triangle Project: I-5 flyover ramps open early in Federal Way". Federal Way Mirror. July 8, 2012. Retrieved July 11, 2020.
  34. Borschowa, Aleta (January 2013). "I-5 - SR 161/SR 18 Triangle Improvements". Washington State Department of Transportation. Retrieved January 25, 2013.
  35. Larson, Gary (February 1, 1993). "Locations vie for new I-5 interchange". The News Tribune. p. B1.

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