U.S. Route 50: Wikis


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U.S. Route 50 shield
U.S. Route 50

The Interstate Highway System with US 50 in red
Length: 3008 mi[1] (4,841 km)
Formed: 1926[2]
West end: I-80.svg I-80 in West Sacramento, CA
US 395 in Carson City, NV

I-15 near Fillmore, UT
I-25 in Pueblo, CO
I-35 in Overland Park, KS
US 71 in Kansas City, MO
I-55 near St. Louis, MO
US 41 in Vincennes, IN
I-65 in Seymour, IN
I-71 / I-75 in Cincinnati, OH
I-81 in Winchester, VA
I-95 / I-495 near Washington, DC

East end: MD 528 in Ocean City, MD
United States Numbered Highways

U.S. Route 50 is a major east–west route of the U.S. Highway system, stretching just over 3,000 miles (4,800 km) from Ocean City, Maryland on the Atlantic Ocean to West Sacramento, California. Until 1972, when it was replaced by Interstate Highways west of the Sacramento area[3], it extended to San Francisco, near the Pacific Ocean. The route mostly remains separate from Interstates. It generally serves a corridor south of Interstates 70 and 80 and north of Interstate 64. The route runs through mostly rural desert and mountains in the Western United States, with the section through Nevada known as the "Loneliest Road in America". In the Midwest, US 50 continues through mostly rural areas of farms as well as a few large cities including Kansas City, Missouri; St. Louis, Missouri; and Cincinnati, Ohio. The route continues into the Eastern United States, where it passes through the Appalachian Mountains in West Virginia before heading through Washington, D.C. From there, US 50 continues through Maryland as a high-speed road to Ocean City. Signs at each end give the length as 3,073 miles (4,946 km), but the actual distance is slightly less,[1] due to realignments since the former figure was measured. US 50 passes through a total of 12 states (California, Nevada, Utah, Colorado, Kansas, Missouri, Illinois, Indiana, Ohio, West Virginia, Virginia, and Maryland) as well as the District of Columbia.

US 50 was created in 1926 as part of the original U.S. Highway system. The original route planned in 1925 ran from Wadsworth, Nevada east to Annapolis, Maryland along several auto trails including the Lincoln Highway, Midland Trail, and the National Old Trails Road. The final 1926 plan had US 50 running from Sacramento, California east to Annapolis with a gap in west Utah that was bridged by running the route north via Salt Lake City before rerouting it to U.S. Route 6 in the 1950s. US 50 was extended west from Sacramento to San Francisco in the 1930s, replacing U.S. Route 48; this was reversed in 1964 when Interstate 580 replaced much of the route between the two cities. In addition, US 50 was extended east from Annapolis to Ocean City prior to 1952, replacing a portion of U.S. Route 213. US 50 had two split configurations into U.S. Route 50N and U.S. Route 50S, one in Kansas and another in Ohio and West Virginia; both of these instances have been removed.


Route description

Western U.S.

US 50 in the Nevada desert

US 50 begins as a major freeway at its junction with Interstate 80 in West Sacramento and continues into Sacramento. The portion of US 50 west of and including its interchange with California's State Highway 99 in Sacramento is also designated, but not signed as, Interstate 305. From Sacramento, the highway heads eastward as the William Alexander Leidesdorff, Jr. Memorial Highway, continuing as a freeway to the Gold Country foothills and then following the American River up the Sierra Nevada as a conventional highway, until cresting the Sierras at Echo Summit and descending to Lake Tahoe, where the highway enters Nevada. In Nevada the highway crosses a series of north–south running mountain ranges that break up the Nevada desert, what are called Basin and Range. East of Carson City the road enters the heart of the Great Basin passing by few communities and minimal services giving it the name "Loneliest Road in America" until reaching Utah.[1]

In Utah, US 50 also passes through desolated and remote areas with few inhabitants. After crossing the Confusion Range via the scenic Kings Canyon and the House Range, the road traverses the north shore of the endorheic Sevier Lake. In Holden, US 50 shortly overlaps Interstate 15 to cross the Pavant Range. The road begins a much longer overlap with Interstate 70 in Salina crossing the Wasatch Plateau and San Rafael Swell into Colorado. US 50 leaves I-70 upon entering the state and heads southeast through Grand Junction and into the southern part of Colorado. Once there, the road climbs its highest elevation of 11,312 feet (3,448 m)[4] over the Rocky Mountains and in Monarch Pass where it crosses the Continental Divide. After descending from the Rockies, US 50 passes by Royal Gorge near Cañon City then joins U.S. Route 400 in Granada and follows the Arkansas River into Kansas.[1]

Midwestern U.S.

The Jefferson Barracks Bridge over the Mississippi River

Upon entering Kansas, US 50, concurrent with US 400, run along the Arkansas River to Dodge City where US 50 splits from US 400 and takes a more northerly course. US 50 continues to traverse the farmlands and small towns of the Great Plains mostly as a straight two-lane road until Emporia where it joins Interstate 35 and splits onto Interstate 435 to bypass the center of the Kansas City Area. In Missouri, US 50 leaves I-435 for Interstate 470 splitting at Lee's Summit. US 50 runs as a four-lane divided highway across the Western Plain to Sedalia where it continues as a two-lane road until reaching the shores of the Missouri River in Jefferson City. The road then traverses the northern sections of the Ozark Highlands east to Union where it begins an overlap with Interstate 44 which goes through Pacific. The routes separate in Sunset Hills where US 50 migrates southeast bypassing St Louis by joining Interstate 255 to cross Mississippi River into Illinois.[1]

In that state, US 50 switches to Interstate 64 before splitting onto its own alignment in eastern O'Fallon. It heads east through Salem, Flora and Lawrenceville to the Wabash River along a corridor between Interstates 64 and 70. US 50 enters Indiana at the Wabash River, bypassing Vincennes and Washington and passing through Bedford, Seymour, and Versailles. It meets the Ohio River at Aurora, and soon crosses into Ohio, running through downtown Cincinnati via Fort Washington Way (Interstate 71). The route crosses southern Ohio via Hillsboro, Chillicothe, and Athens, joining the four-lane divided Corridor D (State Route 32) west of Athens. It meets the Ohio River, from which it split at Cincinnati, at Belpre, and crosses the Blennerhassett Island Bridge (previously crossing the Parkersburg-Belpre Bridge) into Parkersburg, West Virginia.[1]

Mid-Atlantic states

U.S. 50 shield on Constitution Avenue in Washington, D.C.

The portion of US 50 from Parkersburg, West Virginia to Winchester, Virginia follows the historic Northwestern Turnpike, which crosses the southern tip of Garrett County, Maryland. From Parkersburg to Interstate 79 east of Clarksburg, US 50 has been upgraded as part of the four-lane divided Corridor D. US 50 is a curving two-lane mountain road, east of Clarksburg through Grafton, a bit of Maryland, and Romney to Winchester. The land flattens out after it crosses the Shenandoah Mountains east of Winchester, and it follows the old Little River Turnpike from Aldie to Fairfax and the newer Arlington Boulevard to Rosslyn, where it crosses the District of Columbia line — on the west shore of the Potomac River — and joins Interstate 66 on the Roosevelt Bridge.[1]

Mileage sign at the western terminus

Within the District, US 50 immediately exits the freeway onto Constitution Avenue along the north side of the National Mall. After turning north, it exits the city to the northeast on New York Avenue. Upon crossing into Maryland, it passes the south end of the Baltimore-Washington Parkway and becomes the John Hanson Highway, a freeway to Annapolis. The portion of this highway east of the Capital Beltway (I-95/I-495) is also designated, but not signed as, Interstate 595, and U.S. Route 301 joins at Bowie. The freeway continues beyond Annapolis as the Blue Star Memorial Highway, passing over the Chesapeake Bay Bridge and ending at Queenstown. There the Blue Star Highway continues northeast with US 301, while US 50 turns south past Easton to Cambridge and east around Salisbury to Ocean City on the four-lane divided Ocean Gateway. US 50 ends at Baltimore Avenue (Maryland Route 528 northbound); its westbound beginning is one block to the west, at Philadelphia Avenue (MD 528 southbound).[1]


Before the creation of the Interstate Highway System, US 50 was a major east–west route. Numbered highways in the United States follow a pattern of odd numbers for north–south routes and even numbers for east–west routes, hence the designation of "50" for this route. In the preliminary report, approved by the Joint Board on Interstate Highways in late 1925, US 50 ran from Wadsworth, Nevada to Annapolis, Maryland, passing through Pueblo, Colorado, Kansas City, Missouri, Tipton, Missouri,St. Louis, Missouri, Cincinnati, Ohio, and Washington, D.C.[5] The route did not directly replace any auto trail, instead combining portions of many into one continuous route. Major auto trails followed, included the Lincoln Highway in Nevada, the Midland Trail in parts of Utah and Colorado and again in Missouri, Illinois, and part of Indiana, and the National Old Trails Road (Old Santa Fe Trail) in eastern Colorado and Kansas. It also followed the historic Northwestern Turnpike across West Virginia.[6] In most states that had numbered their state highways, US 50 followed only one or two numbers across the state.[7]

One major controversy erupted in relation to the preliminary route of US 50. The through route had been assigned to the Old Sante Fe Trail, while the spur U.S. Route 250 followed the competing New Santa Fe Trail to the south. As a compromise, the Joint Board on Interstate Highways approved a split configuration — U.S. Route 50N and U.S. Route 50S — in January.[8] Another problem was in western Utah, where no improved road existed for US 50 to use. The final numbering plan, approved in November 1926, left a gap in US 50 between Ely, Nevada and Thistle, Utah. Finally, rather than ending US 50 at Wadsworth, where the Lincoln and Victory Highways merged, it was sent over the Lincoln Highway's Pioneer Branch, past the south side of Lake Tahoe, to Sacramento, California.[2][9]

The gap in Utah was soon bypassed by taking US 50 to the north, crossing the Great Salt Lake Desert with U.S. Route 40 to Salt Lake City, and using long portions of U.S. Route 93 in Nevada and U.S. Route 89 in Utah.[10] U.S. Route 6 was marked along the direct, but still partially unimproved, route in 1937; it was finally paved in 1952,[11] and US 50 was moved to it within a few years.[12] Another straightening was made in 1976, when US 50 in central Utah was moved south onto the new extension of Interstate 70 at the request of the National Highway 50 Federation,[13][14] a group dedicated to promoting US 50.[15] Among other things, the group has unsuccessfully pushed for an extension of Interstate 70 west along US 50 to California.[16]

The north–south split in Kansas was eliminated in the late 1950s, with the south route — which was to be US 250 — becoming part of US 50, and most of US 50N becoming part of a new U.S. Route 56.[17] Another split was located between Athens, Ohio and Ellenboro, West Virginia from the late 1920s to the mid-1930s, when US 50 went back to its original south route; that U.S. Route 50N is now Ohio State Route 550 and part of West Virginia Route 16.[18]

At its west end, US 50 was extended south from Sacramento along U.S. Route 99 to Stockton and west to the San Francisco Bay Area, replacing U.S. Route 48, by the early 1930s.[19] US 50 was officially cut back to Sacramento in the 1964 renumbering, replaced by Interstate 580,[20] but remained on maps and signs for several more years.[21][22] US 50 was extended east from Annapolis to Ocean City, Maryland several years prior to the opening of the Chesapeake Bay Bridge in 1952;[23] this extension replaced much of U.S. Route 213.

See also

Related U.S. Routes

Bannered routes


  1. ^ a b c d e f g h Google Inc. National map of U.S. Route 50 [map]. Cartography by Tele Atlas. Retrieved on 2009-07-31.
  2. ^ a b United States System of Highways, November 11, 1926
  3. ^ US50 - History of Highway 50 and Route 50
  4. ^ Magsamen, Kurt (2002). Cycling Colorado's Mountain Passes. Fulcrum Publishing. p. 152. ISBN 155591294X. http://books.google.com/books?id=qdWnRHuE5sEC&pg=PA152&dq=US+Highway+50+11312&ei=M8xzSvvsM4_-ywTT-b32Ag#v=onepage&q=US%20Highway%2050%2011312&f=false. Retrieved 2009-08-01.  
  5. ^ Report of Joint Board on Interstate Highways, October 30, 1925, Approved by the Secretary of Agriculture, November 18, 1925
  6. ^ Rand McNally. United States Road Atlas [map]. (1926) Retrieved on 2009-08-03.
  7. ^ The following routes were used, mostly shown on the 1926 Rand McNally:
  8. ^ Richard F. Weingroff, From Names to Numbers: The Origins of the U.S. Numbered Highway System
  9. ^ United States Numbered Highways, American Highways ( AASHO), April 1927
  10. ^ Nevada Department of Highways, Road Map, 1932
  11. ^ Richard F. Weingroff, U.S. 6: The Grand Army of the Republic Highway
  12. ^ Nevada Department of Highways. Official Highway Map of Nevada [map]. Cartography by Rand McNally & Company. (1954) Retrieved on 2009-08-03.
  13. ^ Senate Committee on Public Works, Designating Highway US 50 as Part of the Interstate System, Nevada, 1970, p. 68: recommends that the road between Delta and Salina receive a single number
  14. ^ "SR-50". Utah Department of Transportation. pp. 4–12. http://www.udot.utah.gov/main/uconowner.gf?n=200609140952271. Retrieved 2 August 2009.  
  15. ^ Rocky Mountain News, Highway to Heaven, November 1, 1992
  16. ^ Federal Highway Administration, Ask the Rambler: Why Does I-70 End in Cove Fort, Utah?
  17. ^ KDOT Historic State Maps, 1956 and 1957-1958
  18. ^ Ohio Transportation Maps, 1928 to 1935
  19. ^ Rand McNally & Company, 1933 maps of California
  20. ^ California Streets and Highways Code, 1963: "Route 50 is from Route 80 in Sacramento to the Nevada state line near Lake Tahoe via Placerville. (Repealed and added by Stats. 1963, Ch. 385.)"
  21. ^ Thomas Guide, San Francisco, 1967
  22. ^ Modesto Bee and News-Herald, Highway Projects Speed Along, July 19, 1967: "Route 205, which will be the north Tracy Bypass linking Route 580 (the present Route 50) to Interstate 5."
  23. ^ Denton Journal, Shore Roads Up for Bids, June 17, 1949
US blank.svg Main U.S. Routes
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Lists  U.S. Routes - Bannered - Divided - Bypassed - Portal

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