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Washington State Route 536

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State Route 536 marker
State Route 536
SR 536 is highlighted in red.
Route information
Auxiliary route of I-5
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
CountryUnited States
StateWashington
CountiesSkagit
Highway system
← SR 534→ SR 538

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.

Route description

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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] The highway travels east through farmland before following the Skagit River southeast into Mount Vernon. 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.[4][5]

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 annual average 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.[6]

History

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SR 536 was established during the 1964 highway renumbering as a 20.63-mile-long (33.20 km) highway connecting Anacortes to Mount Vernon.[7][8] The highway, first codified as the Anacortes branch of PSH 1 in 1937,[9] began at the Anacortes Ferry Terminal and traveled south to SR 525, turning east and traveling over the Swinomish Channel, leaving Fidalgo Island.[10] 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).[11][12]

The bridge over the Skagit River was rebuilt by the state government in 1954, at a cost of $1.03 million.[13] US 99 and PSH 1 were replaced by I-5 in segments between 1966 and 1970,[11] as SR 536 was widened, paved, and extended east to a new interchange.[2][14] 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.[15] The highway's eastern terminus at I-5 was expanded into a full diamond interchange in 1975 as part of a project to rebuild the freeway through Mount Vernon.[16][17]

Major intersections

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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

References

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  1. ^ a b Strategic Planning Division (March 5, 2012). State Highway Log Planning Report 2011, SR 2 to SR 971 (PDF) (Report). Washington State Department of Transportation. pp. 1688–1690. Retrieved February 1, 2013.
  2. ^ a b "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. ^ "SR 5 - Exit 226: Junction SR 536/Kincaid Street" (PDF). Washington State Department of Transportation. September 15, 2004. Retrieved February 1, 2013.
  5. ^ "State Route 536" (Map). Google Maps. Retrieved February 1, 2013.
  6. ^ Staff (2011). "2011 Annual Traffic Report" (PDF). Washington State Department of Transportation. p. 205. Archived from the original (PDF) on June 13, 2013. Retrieved February 1, 2013.
  7. ^ Prahl, C. G. (December 1, 1965). "Identification of State Highways" (PDF). Washington State Highway Commission, Department of Highways. Archived from the original (PDF) on February 17, 2017. Retrieved February 1, 2013.
  8. ^ Staff (1960). "Annual Traffic Report, 1960" (PDF). Washington State Highway Commission, Department of Highways. p. 54. Archived from the original (PDF) on March 13, 2011. Retrieved February 1, 2013.
  9. ^ Washington State Legislature (March 17, 1937). "Chapter 185: Establishment of Primary State Highways". 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.
  10. ^ Washington: Anacortes Quadrangle (JPG) (Map). 1:62,500. United States Geological Survey. 1943. Retrieved February 1, 2013.
  11. ^ a b Victoria, 1966 (JPG) (Map). 1:250,000. United States Geological Survey. 1966. Retrieved February 1, 2013.
  12. ^ Washington: Mt. Vernon Quadrangle (JPG) (Map). 1:62,500. United States Geological Survey. 1943. Retrieved February 1, 2013.
  13. ^ Patty, Stanton (November 4, 1954). "New Bridge Ends Detour In Mount Vernon". The Seattle Times. p. 41.
  14. ^ Staff (1970). "Annual Traffic Report, 1970" (PDF). Washington State Highway Commission, Department of Highways. pp. 204–205. Archived from the original (PDF) on October 17, 2013. Retrieved February 1, 2013.
  15. ^ "47.17.081: State route No. 20 north". Revised Code of Washington. Washington State Legislature. 1994 [1973]. Retrieved February 1, 2013.
  16. ^ "I-5 contract $2.78 million". The Bellingham Herald. February 25, 1974. p. 8. Retrieved May 26, 2024 – via Newspapers.com.
  17. ^ "Mt. Vernon annexes E. College Way area". The Bellingham Herald. August 14, 1975. p. 21. Retrieved May 26, 2024 – via Newspapers.com.
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