Washington State Route 525

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State Route 525 marker

State Route 525

SR 525 is highlighted in red.
Route information
Auxiliary route of I-5
Maintained by WSDOT
Length30.68 mi[1] (49.37 km)
Mileage does not include ferry route
Existed1964[2]–present
Tourist
routes
Major junctions
South end I-5 / I-405 in Lynnwood
Major intersections SR 99 in Lynnwood
SR 526 in Mukilteo
North end SR 20 near Coupeville
Location
CountryUnited States
StateWashington
CountiesSnohomish, Island
Highway system
← SR 524→ SR 526

State Route 525 (SR 525) is a 30.68-mile-long (49.37 km)

Whidbey Island Scenic Byway before the designation ends at an intersection with SR 20 south of Coupeville
.

SR 525 was established during the 1964 state highway renumbering as the successor to Secondary State Highway 1D (SSH 1D) on Whidbey Island and SSH 1I in Mukilteo and Lynnwood, themselves established in 1937. The highway, at its codification in 1970, traversed the north–south length of Whidbey Island and ended at SR 536 near Anacortes until it was replaced by SR 20 in 1973. SR 525 was converted to its present freeway in Lynnwood during the 1980s and widened to four lanes during the late 1990s, including an overpass over SR 99. The highway also has a spur route in Mukilteo that has connected SR 525 to SR 526 via Paine Field Boulevard since it was signed in 2001.

Route description

SR 525 and its holding lanes at the former Mukilteo ferry terminal

SR 525 begins at the Swamp Creek Interchange with

Whidbey Island Ferry across Possession Sound.[8] The terminal is east of Mukilteo Lighthouse Park and adjacent to a train station served by Sounder commuter trains.[7]

The Mukilteo–Clinton ferry, operated by

state scenic byway.[11][12] The highway turns north along Holmes Harbor in Freeland and continues through Greenbank before SR 525 terminates at SR 20 south of Coupeville and the Naval Outlying Landing Field Coupeville.[13][14]

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 2012, WSDOT calculated that the busiest section of SR 525 was its southern terminus at I-5 and I-405, serving 61,000 vehicles, while the least busiest section of the highway was at the Mukilteo ferry terminal, serving 5,700 vehicles.[15] SR 525 is designated as part of the National Highway System from Lynnwood to the Mukilteo ferry terminal,[16] classifying it as important to the national economy, defense, and mobility.[17] WSDOT designates the entire route of SR 525 as a Highway of Statewide Significance,[18] which includes highways that connect major communities in the state of Washington.[19]

History

The Swamp Creek Interchange in Lynnwood, the southern terminus of SR 525 and the northern terminus of I-405, viewed from above in 1967. The overpass in the distance is 164th St. SW, where SR 525 was designated at that time.

SR 525 uses the

circular arc from Everett to Lynnwood, traveling on Mukilteo Boulevard and the Mukilteo Speedway.[24][25]

SR 525 was established during the

North Cascades Highway in 1973.[2] SR 525 was re-aligned onto a two-lane freeway between SR 99 and the Swamp Creek in the 1980s, extending the route to I-405. The Swamp Creek Interchange itself was completed in November 1984.[30]

WSF ferry routes were added to its respective state highways in 1994,[2] eliminating one of two gaps along the route of SR 525, the other being a concurrency with SR 99 that was replaced by a partial cloverleaf interchange in 2000 during the widening of the freeway segment in Lynnwood.[31] A spur route, located completely in Mukilteo, was added to SR 525 in 2001 along the route of the four-lane Paine Field Boulevard, connecting the main highway to SR 526.[2]

The Mukilteo ferry terminal, originally completed in 1957, was replaced by a new facility that opened on December 29, 2020.[32] The new terminal, which includes a waiting area, longer car queues, and a transit center, cost $187 million to construct.[33]

Major intersections

CountyLocationmi[1]kmDestinationsNotes
SnohomishLynnwood0.000.00
 I-405 south – Bellevue		Continuation beyond I-5
Seattle
Southern terminus, southbound exit to I-5 southbound only; I-5 exit 182 northbound
0.641.03Alderwood Mall Parkway
2.764.44 SR 99 – Everett, LynnwoodAccess to SR 99 via Lincoln Way
North end of freeway
SR 525 Spur north (Paine Field Boulevard) to SR 526
6.6810.75
 SR 526 east (84th Street Southwest)
Clinton–Mukilteo Ferry

Mileage does not include ferry
Port Townsend Ferry
Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Spur route

Spur plate.svg

State Route 525 Spur marker

State Route 525 Spur

LocationMukilteo, Washington
Length0.86 mi[1] (1,380 m)
Existed2001–present[2]

SR 525 has a 0.86-mile-long (1.38 km)

AADT survey, that 21,000 vehicles used the highway in 2012.[15]

References

  1. ^ a b c d Staff (2012). "State Highway Log: Planning Report 2012, SR 2 to SR 971" (PDF). Washington State Department of Transportation. pp. 1638–1650. Retrieved April 22, 2013.
  2. ^ a b c d e f g "47.17.735: State route No. 525". Revised Code of Washington. Washington State Legislature. 2001 [1970]. Retrieved April 22, 2013.
  3. ^ Gilmore, Susan (June 30, 2002). "Bumper to Bumper: Straight talk on S-curves, traffic lingo". The Seattle Times. Retrieved April 22, 2013.
  4. ^ "SR 5 - Exit 182: Junction SR 405/SR 525" (PDF). Washington State Department of Transportation. March 22, 2012. Retrieved April 22, 2013.
  5. ^ "SR 525: Junction Alderwood Mall Parkway" (PDF). Washington State Department of Transportation. November 2, 2009. Retrieved April 22, 2013.
  6. ^ "SR 99: Junction SR 525" (PDF). Washington State Department of Transportation. February 16, 2006. Retrieved April 22, 2013.
  7. ^ a b Watanabe, Ben (December 26, 2022). "Even with new terminal, old Highway 525 ferry lane staying put". The Everett Herald. Retrieved December 28, 2022.
  8. ^ Yardley, William (April 11, 2007). "No Cutting in Line for Puget Sound Ferries, Under Penalty of Law". The New York Times. p. A13. Retrieved December 3, 2018.
  9. ^ "Spring 2013 Sailing Schedule" (PDF). Washington State Ferries. March 24, 2013. Retrieved April 22, 2013.
  10. ^ "Passenger and Vehicle Fares" (PDF). Washington State Ferries. October 1, 2017. Retrieved August 20, 2018.
  11. ^ Washington State Highways, 2006–07: Scenic Byways (PDF) (Map). 1:842,000. Washington State Department of Transportation. 2006. Retrieved April 22, 2013.
  12. ^ "47.39.020: Designation of portions of existing highways and ferry routes as part of system". Revised Code of Washington (Revised ed.). Washington State Legislature. 2011 [1967]. Retrieved April 22, 2013.
  13. ^ Google (April 22, 2013). "State Route 525" (Map). Google Maps. Google. Retrieved April 22, 2013.
  14. ^ Washington State Highways, 2011–2012 (PDF) (Map). 1:842,000. Washington State Department of Transportation. 2011. Archived from the original (PDF) on July 26, 2012. Retrieved April 22, 2013.
  15. ^ a b Staff (2012). "2012 Annual Traffic Report" (PDF). Washington State Department of Transportation. pp. 196–198. Retrieved April 22, 2013.
  16. ^ National Highway System: Seattle, WA (PDF) (Map). Federal Highway Administration. October 1, 2012. Retrieved April 22, 2013.
  17. ^ "What is the National Highway System?". Federal Highway Administration. September 26, 2012. Retrieved April 22, 2013.
  18. Washington State Transportation Commission. July 26, 2009. Archived from the original
    (PDF) on July 24, 2013. Retrieved April 22, 2013.
  19. ^ Lorenzo, Judy. "Highways of Statewide Significance". Washington State Department of Transportation. Retrieved April 22, 2013.
  20. ^ Riddle, Margaret (December 29, 2007). "Mukilteo -- Thumbnail History". HistoryLink. Retrieved April 22, 2013.
  21. ^ "Washington State Ferries History". Washington State Department of Transportation. Retrieved April 22, 2013.
  22. ^ Stein, Alan J. (January 20, 2003). "Washington State Ferries begins operations on June 1, 1951". HistoryLink. Retrieved April 22, 2013.
  23. ^ Washington State Legislature (March 18, 1937). "Chapter 207: Classification of Public Highways". Session Laws of the State of Washington (1937 ed.). Olympia, Washington: Washington State Legislature. pp. 995–996. Retrieved April 22, 2013. Secondary State Highway No. 1D; beginning at a junction with Primary State Highway No. 1 in the vicinity southeast of Anacortes, thence southerly by the most feasible route by way of Deception Pass to the vicinity of Columbia Beach in the southern portion of Whidby Island; Secondary State Highway No. 1I; beginning at Everett on Primary State Highway No. 1, thence in a westerly direction by the most feasible route to Mukilteo, thence in a southeasterly direction by the most feasible route to a junction with Primary State Highway No. 1 in the vicinity south of Everett.
  24. ^
    Department of Highways. pp. 149–151, 154. Archived from the original
    (PDF) on March 13, 2011. Retrieved April 22, 2013.
  25. ^ a b Seattle, 1958 (JPG) (Map). 1:250,000. United States Geological Survey. 1958. Retrieved April 22, 2013.
  26. OCLC 29654162
    . Retrieved April 3, 2022 – via WSDOT Library Digital Collections.
  27. ^ Prahl, C. G. (December 1, 1965). "Identification of State Highways" (PDF). Washington State Highway Commission, Department of Highways. Retrieved April 22, 2013.
  28. ^ SR 525, Swamp Creek Interchange to SR 99 Draft Environmental Impact Statement. Washington State Department of Highways. January 31, 1975. p. 4. Retrieved August 6, 2017 – via Google Books.
  29. ^ Staff (1970). "Annual Traffic Report, 1970" (PDF). Washington State Highway Commission, Department of Highways. pp. 199–201. Archived from the original (PDF) on October 17, 2013. Retrieved March 24, 2013.
  30. ^ "Interchange at mall is nearly completed". The Seattle Times. October 31, 1984. p. F2.
  31. ^ Federal Highway Administration (2012). "NBI Structure Number: 0015688A0000000". National Bridge Inventory. Federal Highway Administration.
  32. ^ Brown, Andrea (April 11, 2019). "Mukilteo ferry terminal takes shape and could open in 2020". The Everett Herald. Retrieved April 12, 2019.
  33. ^ Davis-Leonard, Ian (December 29, 2020). "New Mukilteo ferry terminal makes a much anticipated debut". The Everett Herald. Retrieved December 30, 2020.
  34. ^ Smaalders, Karen (September 29, 1994). "Zero hour near for bypass road". The Everett Herald. p. B2. Retrieved February 10, 2024 – via Newspapers.com.
  35. ^ Higgins, Mark (May 7, 1997). "New meets old in this waterfront town". Seattle Post-Intelligencer. p. D1.
  36. Mukilteo Beacon
    . p. 2. Retrieved April 22, 2013.

External links

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