Washington State Route 536

State Route 536 (SR 536) is a 5.38-mile-long (8.66 km) state highway serving Skagit County in the U.S. state of Washington. The highway travels southeast from SR 20 near Fredonia through Mount Vernon to an interchange with Interstate 5 (I-5) on the east side of downtown Mount Vernon. SR 536 was created during the 1964 highway renumbering as a replacement for the Anacortes branch of Primary State Highway 1 (PSH 1). SR 536 was shortened to its current route in 1973 after SR 20 was extended west and a spur route was established to serve Anacortes.

State Route 536
SR 536 is highlighted in red.
Route information
Auxiliary route of I-5
Defined by RCW 47.17.770
Maintained by WSDOT
Length5.38 mi[1] (8.66 km)
Existed1964[2]–present
Major junctions
West end SR 20 near Fredonia
East end I-5 in Mount Vernon
Location
CountiesSkagit
Highway system
← SR 534SR 538 →

Route description
I-5 northbound approaching its interchange with SR 536 in Mount Vernon.

SR 536 begins as the Memorial Highway at an intersection with SR 20 located south of Skagit Regional Airport and east of Fredonia.[3][4][5] The highway travels east through farmland before following the Skagit River southeast into Mount Vernon.[6][7] SR 536 crosses the Skagit River on a swing bridge into Downtown Mount Vernon, turning east onto Division Street and south onto 3rd Street. The highway turns east at Skagit Station onto Kincaid Street and crosses a BNSF rail line before ending at a diamond interchange with I-5.[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 4,600 and 23,000 vehicles per day used the highway, mostly in Downtown Mount Vernon.[10]

History

SR 536 was established during the 1964 highway renumbering as a 20.63-mile-long (33.20 km) highway connecting Anacortes to Mount Vernon.[11][12] The highway, first codified as the Anacortes branch of PSH 1 in 1937,[13] began at the Anacortes Ferry Terminal and traveled south to SR 525, turning east and traveling over the Swinomish Channel, leaving Fidalgo Island.[14] SR 536 continued east to Fredonia, intersecting the termini of SR 20 and SR 537, before turning southeast over the Skagit River into Mount Vernon and ending at U.S. Route 99 (US 99).[15][16] The bridge over the Skagit River was rebuilt by the state government in 1954, at a cost of $1.03 million.[17] US 99 and PSH 1 were replaced by I-5 in segments between 1966 and 1970,[15] as SR 536 was widened, paved, and extended east to a new interchange.[2][18] SR 20 was extended west to Whidbey Island and the Olympic Peninsula over SR 536 and SR 525 in 1973, shortening SR 536 to its current route and creating SR 20 Spur in Anacortes.[19] No major revisions to the route of SR 536 have occurred since 1973,[20] however WSDOT repaved the entire roadway and added sidewalk ramps in 2009 at a cost of $3.2 million.[21]

Major intersections

The entire highway is in Skagit County.

Locationmi[1]kmDestinationsNotes
​0.000.00 SR 20 – Anacortes, BurlingtonWestern terminus
Mount Vernon5.388.66 I-5 – Seattle, Vancouver, BCI-5 exit 226; eastern terminus; interchange; continues as Broad Street.
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
gollark: Wait, my lazier method might actually be the cause of some odd behavior which might be a bug... to the IDE, once SC comes up for testing!
gollark: Also, it probably wouldn't inherit whatever magic slot-splitting behavior you have now.
gollark: 1. I'm lazy (though yes, admittedly, you probably are)2. It'd be slower to manually find the slot(s) with free space.
gollark: How about a table of slots moved into?
gollark: Can it? Huh.

References
  1. Staff (2012), State Highway Log: Planning Report 2011, SR 2 to SR 971 (PDF), Washington State Department of Transportation, pp. 1688–1690, retrieved February 1, 2013
  2. "47.17.770: State route No. 536", Revised Code of Washington, Washington State Legislature, 1973 [1970], retrieved February 1, 2013
  3. SR 20: Junction SR 536 (PDF), Washington State Department of Transportation, February 28, 2011, retrieved February 1, 2013
  4. "Feature Detail Report for: Fredonia", Geographic Names Information System, United States Geological Survey, September 10, 1979, retrieved February 1, 2013
  5. "Feature Detail Report for: Skagit Municipal Airport", Geographic Names Information System, United States Geological Survey, August 1, 1990, retrieved February 1, 2013
  6. "Feature Detail Report for: Skagit River", Geographic Names Information System, United States Geological Survey, September 10, 1979, retrieved February 1, 2013
  7. "Feature Detail Report for: Mount Vernon", Geographic Names Information System, United States Geological Survey, September 10, 1979, retrieved February 1, 2013
  8. SR 5 - Exit 226: Junction SR 536/Kincaid Street (PDF), Washington State Department of Transportation, September 15, 2004, retrieved February 1, 2013
  9. Google (February 1, 2013). "State Route 536" (Map). Google Maps. Google. Retrieved February 1, 2013.
  10. Staff (2011), 2011 Annual Traffic Report (PDF), Washington State Department of Transportation, p. 205, retrieved February 1, 2013
  11. Prahl, C. G. (December 1, 1965), Identification of State Highways (PDF), Washington State Highway Commission, Department of Highways, retrieved February 1, 2013
  12. Staff (1960), Annual Traffic Report, 1960 (PDF), Washington State Highway Commission, Department of Highways, p. 54, retrieved February 1, 2013
  13. Washington State Legislature (March 17, 1937), "Chapter 185: Establishment of Primary State Highways", Session Laws of the State of Washington, Session Laws of the State of Washington (1937 ed.), Olympia, Washington: Washington State Legislature, p. 933, retrieved February 1, 2013, A primary state highway to be known as Primary State Highway No. 1, or the Pacific Highway, is hereby established according to description as follows: Beginning at Mt. Vernon on Primary State Highway No. 1, as herein described, thence in a westerly direction by the most feasible route to Anacortes.
  14. Washington: Anacortes Quadrangle (JPG) (Map). 1:62,500. United States Geological Survey. 1943. Retrieved February 1, 2013.
  15. Victoria, 1966 (JPG) (Map). 1:250,000. United States Geological Survey. 1966. Retrieved February 1, 2013.
  16. Washington: Mt. Vernon Quadrangle (JPG) (Map). 1:62,500. United States Geological Survey. 1943. Retrieved February 1, 2013.
  17. Patty, Stanton (November 4, 1954). "New Bridge Ends Detour In Mount Vernon". The Seattle Times. p. 41.
  18. Staff (1970), Annual Traffic Report, 1970 (PDF), Washington State Highway Commission, Department of Highways, pp. 204–205, retrieved February 1, 2013
  19. "47.17.081: State route No. 20 north", Revised Code of Washington, Washington State Legislature, 1994 [1973], retrieved February 1, 2013
  20. Washington State Highways, 2011–2012 (PDF) (Map). 1:842,000. Washington State Department of Transportation. 2011. Retrieved February 1, 2013.
  21. Chesson, Dave (August 2009), SR 536 / SR 538 - Paving - Complete August 2009, Washington State Department of Transportation, archived from the original on January 2, 2014, retrieved February 1, 2013

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