| 词条 | Washington State Route 401 |
| 释义 |
|state=WA |type=SR |route=401 |section=580 |map=Washington State Route 401.svg |map_notes=SR 401 is highlighted in red. |length_mi=12.13 |length_round=2 |length_ref=[1] |established=1964[2] |tourist=Lewis and Clark Trail Scenic Byway |direction_a=South |terminus_a={{jct|state=WA|US|101}} in Megler |direction_b=North |terminus_b={{jct|state=WA|SR|4}} in Naselle |previous_type=SR |previous_route=397 |next_type=I |next_route=405 }} State Route 401 (SR 401) is a {{convert|12.13|mi|km|2|adj=on}} long state highway in Pacific County within the U.S. state of Washington. The highway originates at the north end of the Astoria–Megler Bridge west of Megler at an intersection with {{nowrap|U.S. Route 101}} (US 101). The roadway travels northeast, paralleling cliffs, the Columbia River and the South Fork of the Naselle River to Naselle, ending at {{nowrap|SR 4}}. The road was designated Secondary State Highway 12B (SSH 12) between 1937 and 1964, when SR 401 was created to replace SSH 12B. The Astoria–Megler Bridge, completed in 1966, replaced a ferry east of the bridge, where the highway originally ended, and is known locally as Kingston Ferry Road. The roadway was extended west to the north end of the bridge, where it currently terminates. The former ferry terminal became the Dismal Nitch rest area, named after the Lewis and Clark Expedition's description of the place. Route descriptionSR 401 originates at an intersection with {{nowrap|U.S. Route 101}} (US 101) at the north end of the Astoria–Megler Bridge west of Megler and southeast of McGowan. Traveling northeast between cliffs and the Columbia River past the Dismal Nitch Safety rest area to Knappton,[1] the highway turns north along more cliffs and the South Fork of the Naselle River.[3] In Naselle, the South Fork merges with the Naselle River, which the roadway crosses over three times before terminating at {{nowrap|SR 4}}.[4][5][6] The intersection with SR 4 is also the busiest segment of the road with an estimated daily average of 2,800 motorists,[7] which has been decreasing from 3,100 motorists in 2005.[8] History{{See also|Astoria-Megler Ferry}}Secondary State Highway 12B (SSH 12B) was created during the 1937 establishment of the Primary and secondary state highway system as an auxiliary route of {{nowrap|Primary State Highway 12}} (PSH 12), co-signed as both {{nowrap|U.S. Route 101}} (US 101) and {{nowrap|US 830}}. The highway ran from PSH 12 / US 101 at the Megler ferry landing on the Columbia River to PSH 12 / US 830 in Naselle, with a gap between Megler and Knappton.[9][10][11] SSH 12B, including the Megler–Knappton gap, became SR 401 during the 1964 highway renumbering.[12] After the Astoria–Megler Bridge was completed on August 27, 1966,[13][14] SR 401 was extended west to the new bridge and the gap between Megler and Knappton was completed by 1968.[15] The Dismal Nitch Safety rest area, formerly the Megler Landing Rest Area, was remodeled twice in 2007 to be accessible year-round.[16][17][18]{{-}}Major intersections{{WAinttop|county=Pacific|length_ref=[1]}}{{WAint|location=Megler |mile=0.00 |road={{jct|state=WA|US|101|name1=Olympic Highway|location1= Astoria|city2=Ilwaco}} |notes=Southern terminus}}{{WAint |location=Naselle |mile=12.13 |road={{jct|state=WA|SR|4|name1=Ocean Beach Highway|city1=Raymond|city2=Longview}} |notes=Northern terminus}}{{jctbtm}} References1. ^1 2 {{cite web |title=State Highway Log: Planning Report, SR 2 to SR 971 |url=http://www.wsdot.wa.gov/mapsdata/TDO/PDF_and_ZIP_Files/HwyLog2008.pdf |author=Washington State Department of Transportation |year=2008 |accessdate=August 23, 2009}} 2. ^{{cite web |year=1970 |url=http://apps.leg.wa.gov/RCW/default.aspx?cite=47.17.580 |title=RCW 47.17.580: State route No. 401 |author=Washington State Legislature|accessdate=August 23, 2009}} 3. ^{{cite web |url=http://geonames.usgs.gov/pls/gnispublic/f?p=gnispq:3:1418299097826100::NO::P3_FID:1506929 |title=GNIS Detail – Naselle River |author=United States Geological Survey |date=September 10, 1979 |accessdate=August 23, 2009}} 4. ^{{google maps |title=State Route 401 |url=https://maps.google.com/maps?f=d&source=s_d&saddr=Kingston+Ferry+Rd%2FWA-401&daddr=Knappton+Ferry+Rd%2FWA-401&hl=en&geocode=FWqVwQIdPtGd-A%3BFSKkwwIdLOye-A&mra=ls&sll=46.242032,-123.874326&sspn=0.010403,0.019248&ie=UTF8&z=12 |accessdate=August 23, 2009}} 5. ^{{cite map |publisher=Washington State Department of Transportation |year=2008 |edition=2008–09 |title=Washington State Highways, 2008–2009 |url=http://www.wsdot.wa.gov/NR/rdonlyres/87105CAD-83A9-49A7-80F3-5719637C1E2D/0/FrontMapBig.pdf |section=G2 |cartography=United States Geological Survey |scale=1:842,000 |accessdate=August 23, 2009}} 6. ^{{cite map |publisher=Thomas Bros., Rand McNally |title=Pacific Northwest: Washington, Oregon, Western Idaho, Southwestern British Columbia |edition=6th |year=2004 |cartography=NAVTEQ |scale=1 inch = 7.5 miles |series=The Thomas Guide |page=186 |isbn=0-528-99511-1}} 7. ^{{cite web |url=http://www.wsdot.wa.gov/mapsdata/tdo/PDF_and_ZIP_Files/Annual_Traffic_Report_2008.pdf |title=2008 Annual Traffic Report |author=Washington State Department of Transportation |year=2008 |accessdate=August 23, 2009}} 8. ^{{cite web |url=http://www.wsdot.wa.gov/mapsdata/tdo/PDF_and_ZIP_Files/Annual_Traffic_Report_2005.pdf |title=2005 Annual Traffic Report |author=Washington State Department of Transportation |year=2005 |accessdate=August 23, 2009}} 9. ^{{cite book |author=Washington State Legislature |title=Session Laws of the State of Washington |url=https://books.google.com/books?id=dcQ4AAAAIAAJ |accessdate=August 23, 2009 |edition=1937 |series=Session Laws of the State of Washington |date=March 18, 1937 |publisher=Washington State Legislature |location=Olympia, Washington |pages=1008–1009 |chapter=Chapter 207: Classification of Public Highways |quote=(b) Secondary State Highway No. 12B; beginning at Megler on Primary State Highway No. 12, thence in an easterly and northerly direction to a junction with Primary State Highway No. 12 in the vicinity north of Naselle.}} 10. ^{{cite map |publisher=University of Texas at Austin |author=United States Geological Survey |title=Hoquiam, 1951 |url=http://www.lib.utexas.edu/maps/topo/250k/txu-pclmaps-topo-us-hoquiam-1951.jpg |year=1951 |scale=1:250,000 |accessdate=August 23, 2009}} 11. ^{{cite map |publisher=University of Texas at Austin |author=United States Geological Survey |title=Hoquiam, 1958 |url=http://www.lib.utexas.edu/maps/topo/250k/txu-pclmaps-topo-us-hoquiam-1958.jpg |year=1958 |scale=1:250,000 |accessdate=August 23, 2009}} 12. ^{{cite web |title=Identification of State Highways |url=http://www.wsdot.wa.gov/NR/rdonlyres/6836215D-E301-43F3-895A-472BD2FDE86A/0/Identification.pdf |author=C. G. Prahl |publisher=Washington State Highway Commission, Department of Highways |date=December 1, 1965 |accessdate=August 23, 2009}} 13. ^{{cite web |url=http://www.historylink.org/index.cfm?DisplayPage=output.cfm&file_id=7263 |title=Oregon Highway Department completes Astoria-Megler Bridge over the Columbia River on August 27, 1966. |author=Long, Priscilla |date=March 5, 2005 |publisher=HistoryLink.org |accessdate=August 23, 2009}} 14. ^{{cite web |url=http://www.oldoregon.com/visitor-info/entry/astoria-megler-bridge |title=Visitor Information: Astoria–Megler Bridge |author=Astoria–Warrenton Area Chamber of Commerce |year=2009 |accessdate=August 23, 2009}} 15. ^{{cite map |publisher=University of Texas at Austin |author=United States Geological Survey |title=Hoquiam, 1968 |url=http://www.lib.utexas.edu/maps/topo/250k/txu-pclmaps-topo-us-hoquiam-1968.jpg |year=1968 |scale=1:250,000 |accessdate=August 23, 2009}} 16. ^{{cite press release |title=SR 401 Dismal Nitch Safety Rest Area Now Fully Operational |url=http://www.wsdot.wa.gov/News/2007/08/16_SR401DismalNitchRestArea.htm |date=October 16, 2007 |publisher=Washington State Department of Transportation |location=Naselle, Washington |accessdate=August 23, 2009}} 17. ^{{cite press release |title=SR 401 Dismal Nitch Safety Rest Area Remains Open with Portable Facilities |url=http://www.wsdot.wa.gov/News/2007/10/16_SR401RestArea.htm |date=October 16, 2007 |publisher=Washington State Department of Transportation |location=Naselle, Washington |accessdate=August 23, 2009}} 18. ^{{cite press release |title=Water Line Repairs at the SR 401, Dismal Nitch Rest Area Complete |url=http://www.wsdot.wa.gov/News/2007/10/10_25_SR401DismalNitch.htm |date=October 25, 2007 |publisher=Washington State Department of Transportation |location=Naselle, Washington |accessdate=August 23, 2009}} External links{{commons category}}{{AttachedKML|display=title,inline}}
2 : State highways in Washington (state)|Transportation in Pacific County, Washington |
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