Standard route shields
Highway names
InterstatesInterstate X (I-X)
US HighwaysU.S. Route X (US X)
StateDelaware Route X (DE X)
System links

The following is a List of numbered routes in Delaware, consisting of Interstate highways, U.S. routes, and state routes. The Delaware Department of Transportation is responsible for maintaining numbered roads in Delaware. State routes in Delaware use the circular highway shield. Delaware's numbering system mirrors that of U.S. Highways in that odd numbered highways travel north-south and even numbered routes go east-west. The numbers increase in value as one goes south and west respectively. There are some exceptions, however, mainly with routes from other states keeping their number as they enter Delaware, hence breaking the pattern.

History

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The first numbered routes in Delaware came in 1925 with the designation of the U.S. Highway System, in which US 13, US 40, and US 113 were legislated to run through the state.[1] In 1930 and again in 1932, the Delaware State Highway Department recommended giving numbers to state roads to supplement the existing U.S. Highway System.[2][3] By 1936, Delaware began assigning numbers to state routes.[4] In 1956, the Interstate Highway System was created, with under 40 miles of Interstate highway legislated in New Castle County.[5]

State routes

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Number Length (mi)[6] Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
  DE 1 103.02 165.79 MD 528 at Fenwick Island DE 7 / DE 58 01974-01-011974 current
  DE 1A 2.92 4.70 DE 1 DE 1 01974-01-011974 current Former DE 14A
  DE 1B 1.11 1.79 DE 1 DE 1A 01974-01-011974 current
  DE 1D 3.3 5.3 DE 1 / DE 24 US 9 / DE 23 / DE 404 01996-01-011996 current
 
  DE 1 Bus.
3.90 6.28 DE 1 US 113 / DE 1 01977-01-011977 current
  DE 2 10.94 17.61 DE 72 / DE 273 near Newark DE 52 01936-01-011936 current
 
  DE 2 Bus.
2.91 4.68 DE 2 / DE 4 / DE 896 DE 2 / DE 72 / DE 273 01990-01-011990 02013-01-012013
  DE 3 5.87 9.45 I-495 DE 92 01968-01-011968 current
  DE 4 14.08 22.66 DE 279 / DE 896 DE 48 01967-01-011967 current
  DE 4 8.08 13.00 MD 299 near Warwick, MD US 13 01938-01-011938 01957-01-011957 Replaced by DE 299
  DE 5 19.48 31.35 Road end at Oak Orchard DE 1 01938-01-011938 current
 
  DE 5 Alt.
3.8 6.1 DE 5 DE 5 / DE 16 02001-01-012001 current
  DE 6 17.31 27.86 MD 291 near Blackiston Road end at Woodland Beach 01936-01-011936 current
  DE 7 16.87 27.15 US 13 / DE 72 SR 3013 at Pennsylvania state line at Pike Creek 01936-01-011936 current
  DE 8 17.15 27.60 MD 454 at Marydel DE 9 01936-01-011936 current
  DE 9 58.18 93.63 DE 1 DE 2 01936-01-011936 current
  DE 9A 2.0 3.2 DE 9 US 13 / DE 9 01971-01-011971 current Official length is 0.78 miles (1.26 km) between DE 9 and Christiana Avenue
 
  DE 9 Truck
5.7 9.2 DE 9 DE 9 / DE 141 / DE 273
  DE 10 16.12 25.94 MD 287 at Sandtown DE 1 01936-01-011936 current
 
  DE 10 Alt.
9.23 14.85 DE 10 DE 10 01988-01-011988 current
  DE 11 6.95 11.18 MD 302 near Templeville, MD DE 300 01936-01-011936 current
  DE 12 16.19 26.06 MD 314 near Whiteleysburg, MD DE 1 01936-01-011936 current
  DE 14 19.12 30.77 MD 317 near Burrsville, MD DE 1 01936-01-011936 current Route truncated from Fenwick Island to Milford in 1977 and replaced with DE 1
  DE 14A 2.92 4.70 DE 14 DE 14 01966-01-011966 01977-01-011977 Renumbered DE 1A
 
  DE 14 Truck
3.9 6.3 DE 14 US 13 / DE 14 02008-01-012008 current
  DE 15 57.05 91.81 DE 14 US 301 / DE 71 / DE 896 01984-01-011984 current
  DE 16 30.31 48.78 MD 16 near Hickman Road end at Broadkill Beach 01936-01-011936 current
  DE 17 8.30 13.36 DE 54 DE 26 01938-01-011938 current
  DE 18 19.38 31.19 MD 318 near Federalsburg, MD US 9 / DE 404 01936-01-011936 current Route truncated from Lewes to Georgetown in 1974 and replaced with US 9 and US 9 Bus.
  DE 20 40.29 64.84 MD 392 at Reliance DE 54 01936-01-011936 current
  DE 23 14.76 23.75 Road end at Long Neck US 9 / DE 404 / DE 1D 01994-01-011994 current
  DE 24 40.61 65.36 MD 348 near Sharptown, MD DE 1 01936-01-011936 current
 
  DE 24 Alt.
17.8 28.6 US 113 DE 24 02006-01-012006 current
  DE 26 23.15 37.26 Route 54 / MD 353 near Gumboro Road end at Bethany Beach 01936-01-011936 current
  DE 28 12.79 20.58 US 13 DE 18 01936-01-011936 01974-01-011974 Replaced by US 9
  DE 30 44.94 72.32 US 13 near Laurel and Delmar DE 1 Bus. 01938-01-011938 current
 
  DE 30 Alt.
0.74 1.19 DE 30 DE 1 01999-01-011999 current
  DE 32 38.59 62.10 MD 467 near Delmar DE 14 01968-01-011968 01969-01-011969 Replaced by DE 54
  DE 34 3.30 5.31 Duncan Road near Prices Corner DE 100 01976-01-011976 current
  DE 36 23.28 37.47 DE 404 Bay Avenue in Slaughter Beach 01938-01-011938 current
  DE 37 3.11 5.01 DE 273 US 202 / DE 141 01985-01-011985 current
  DE 41 7.03 11.31 DE 2 / DE 141 PA 41 near Hockessin 01936-01-011936 current
  DE 42 12.72 20.47 DE 6 DE 9 01936-01-011936 current
  DE 44 6.67 10.73 DE 300 DE 8 01936-01-011936 current
  DE 48 7.09 11.41 DE 41 US 13 Bus. 01936-01-011936 current
  DE 52 7.87 12.67 US 13 Bus. PA 52 near Centerville 01936-01-011936 current
  DE 54 38.59 62.10 MD 54 near Delmar DE 1 01969-01-011969 current Portion of route runs concurrent with MD 54 on Maryland state line
 
  DE 54 Alt.
8.6 13.8 DE 54 DE 26 02006-01-012006 current
  DE 58 3.86 6.21 DE 4 DE 273 01985-01-011985 current
  DE 62 2.65 4.26 Old Capitol Trail at Prices Corner Dead end at Newport 01981-01-011981 current
  DE 71 21.99 35.39 US 13 US 13 / DE 1 01938-01-011938 current
  DE 72 17.35 27.92 DE 9 DE 7 01942-01-011942 current
  DE 82 5.51 8.87 DE 52 PA 82 near Yorklyn 01952-01-011952 current
  DE 92 8.83 14.21 DE 100 US 13 01968-01-011968 current
  DE 100 8.97 14.44 DE 4 SR 3100 near Montchanin 01938-01-011938 current
  DE 141 11.34 18.25 DE 9 / DE 273 US 202 / DE 261 01952-01-011952 current
  DE 202 1.01 1.63 US 13 Bus. I-95 / US 202 01981-01-011981 current
  DE 261 4.62 7.44 US 202 / DE 141 PA 261 at Brandywine Hundred 01938-01-011938 current
  DE 273 12.67 20.39 MD 273 at Newark DE 9 / DE 141 01936-01-011936 current
  DE 279 1.05 1.69 MD 279 near Newark DE 4 / DE 896 02013-01-012013 current Former DE 2
  DE 286 1.73 2.78 MD 286 near Chesapeake City, MD DE 15 01994-01-011994 current
  DE 299 9.77 15.72 MD 282 near Warwick, MD DE 9 01957-01-011957 current Former DE 4
  DE 300 11.83 19.04 MD 300 near Everetts Corner US 13 / DE 6 01936-01-011936 current
  DE 404 35.23 56.70 MD 404 near Adams Crossroads US 9 / DE 1 / US 9 Bus. 01936-01-011936 current
   
  DE 404 Alt.
4.65 7.48 DE 404 US 13 / DE 404 01990-01-011990 01999-01-011999 Replaced by DE 404
   
  DE 404 Bus.
3.34 5.38 DE 404 US 13 / DE 404 01999-01-011999 current Former DE 404
   
  DE 404 Truck
7.2 11.6 US 113 / DE 18 / DE 404 US 9 / DE 404
  DE 491 0.36 0.58 DE 92 PA 491 near Claymont
  DE 896 21.05 33.88 US 13 MD 896 near Newark 01938-01-011938 current
   
  DE 896 Alt.
11.0 17.7 US 13 / DE 896 US 40 / US 301 / DE 896
   
  DE 896 Bus.
1.78 2.86 US 301 / DE 896 DE 896 01996-01-011996 current
  •       Former

U.S. routes in Delaware

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Number Length (mi)[6] Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
  US 9 30.89 49.71 US 13 Cape May-Lewes Ferry at Lewes 01974-01-011974 current Replaced DE 28 between Laurel and Georgetown and DE 18 between Georgetown and Five Points
 
  US 9 Bus.
3.36 5.41 US 9 / DE 1 / DE 404 US 9 01974-01-011974 current Replaced DE 18
 
  US 9 Truck
6.1 9.8 US 9 / US 113 / DE 404 Truck US 9 / DE 404 01983-01-011983 current
  US 13 103.33 166.29 US 13 at Maryland border at Delmar US 13 at Pennsylvania border near Claymont 01926-01-011926 current
 
  US 13 Alt.
16.67 26.83 MD 455 at Delmar US 13 01954-01-011954 01957-01-011957 Former alignment of US 13
 
  US 13 Alt.
2.46 3.96 US 13 / DE 404 US 13 01957-01-011957 01970-01-011970 Former alignment of US 13. Replaced by US 13 Bus.
 
  US 13 Alt.
5.69 9.16 US 13 / DE 15 US 13 01954-01-011954 current Former alignment of US 13
 
  US 13 Alt.
3.86 6.21 US 13 US 13 01959-01-011959 current Former alignment of US 13
 
  US 13 Alt.
8.70 14.00 US 13 US 13 01939-01-011939 01970-01-011970 Replaced by US 13
 
  US 13 Bus.
2.46 3.96 US 13 / DE 404 / DE 404 Bus. US 13 / DE 404 01970-01-011970 current Former alignment of US 13 and US 13 Alt.
 
  US 13 Bus.
8.19 13.18 US 13 US 13 01970-01-011970 current Former alignment of US 13.
 
  US 13 Byp.
8.19 13.18 US 13 US 13 Byp. at Pennsylvania border near Claymont 01950-01-01c. 1950 01970-01-01c. 1970
  US 40 17.18 27.65 US 40 at Maryland border near Glasgow I-295 / US 40 at New Jersey border near Wilmington Manor 01926-01-011926 current
  US 113 37.26 59.96 US 113 at Maryland border at Selbyville DE 1 01926-01-011926 current Route truncated from Dover to Milford in 2004
   
  US 113 Alt.
9.10 14.65 US 113 / DE 1 US 13 / US 113 01936-01-011936 02004-01-012004 Former alignment of US 113 south of Dover
  US 122 6.15 9.90 US 13 [[U.S. Route 122 (%dab%)|US 122]] at Pennsylvania border in Brandywine Hundred 01926-01-011926 01936-01-011936 Replaced by US 202
  US 202 13.06 21.02 US 13 / US 40 / DE 141 US 202 at Pennsylvania border in Brandywine Hundred 01936-01-011936 current Replaced US 122
  US 301 14.93 24.03 US 301 at Maryland border near Warwick, MD US 40 / DE 896 01959-01-011959 current
  US 301N 11.2 18.0 US 301 / DE 71 / DE 896 US 13 / US 40 / US 301 01959-01-011959 01983-01-011983
  US 301S 10.69 17.20 US 301 / DE 71 / DE 896 US 13 / US 40 / US 301 01959-01-011959 01983-01-011983
   
  US 301 Truck
9.10 14.65 US 301 / DE 71 / DE 896 US 13 / US 40 / US 301 02001-01-012001
  •       Former

Interstate highways in Delaware

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Number Length (mi)[6] Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
  I-95 23.43 37.71 I-95 at Maryland border near Newark I-95 at Pennsylvania border near Claymont 01963-01-011963 current
  I-295 5.71 9.19 I-95 / I-495 / US 202 I-295 / US 40 at New Jersey border near Wilmington Manor 01959-01-011959 current
  I-495 11.47 18.46 I-95 / I-295 / US 202 I-95 / DE 92 01977-01-011977 current
  I-895 10.78 17.35 I-95 I-95 01979-01-011979 01980-01-011980 Replaced by I-95
  •       Former

See also

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References

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  1. ^ "Annual Report of the State Highway Department" (PDF). 1925. Dover, Delaware: Delaware State Highway Department. 1925-12-31: 17. Retrieved 2010-11-18. {{cite journal}}: Cite journal requires |journal= (help)
  2. ^ "Annual Report of the Chief Engineer State Highway Department" (PDF). 1930. Dover, Delaware: Delaware State Highway Department. 1930-12-31: 19. Retrieved 2010-11-18. {{cite journal}}: Cite journal requires |journal= (help)
  3. ^ "Annual Report of the Chief Engineer State Highway Department" (PDF). 1932. Dover, Delaware: Delaware State Highway Department. 1932-12-31: 31. Retrieved 2010-11-18. {{cite journal}}: Cite journal requires |journal= (help)
  4. ^ Delaware State Highway Department; The National Survey Co. (1936). Official Road Map of the State of Delaware (PDF) (Map) (1936–1937 ed.). Dover: Delaware State Highway Department.
  5. ^ "Annual Report of the Chief Engineer Delaware State Highway Department" (PDF). 1956. Dover, Delaware: Delaware State Highway Department. 1956-07-01: 8. Retrieved 2010-11-18. {{cite journal}}: Cite journal requires |journal= (help)
  6. ^ a b c Lengths to two decimal places provided by DelDOT Traffic Count and Mileage Report: Interstate, Delaware, and US Routes. Lengths to one decimal place provided by Google Maps.
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Delaware Numbered Routes Category:U.S. Highways in Delaware

  NODES
Note 4