List of numbered routes in Delaware

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Delaware State Route System
Interstate 95 markerU.S. Route 13 markerDelaware Route 1 marker
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[edit]

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[edit]

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 at Christiana 01974-01-011974[7] current Longest state route, extended past Milford in 1991, previously used alignment of US-13 between gaps in expressway north of Dover between 1991 and 2003
DE 1A 2.92 4.70 DE 1 at Dewey Beach DE 1 at Rehoboth Beach 01974-01-011974[7] current Former DE 14A
DE 1B 1.11 1.79 DE 1 at Rehoboth Beach DE 1A at Rehoboth Beach 01974-01-011974[7] current
DE 1D 3.3 5.3 DE 1 / DE 24 at Midway US 9 / DE 23 / DE 404 at Five Points 01996-01-011996[8] current

DE 1 Bus.
3.90 6.28 DE 1 near Milford US 113 / DE 1 near Milford 01977-01-011977[9] current
DE 2 10.94 17.61 DE 72 / DE 273 near Newark DE 52 at Wilmington 01936-01-011936[4] current Until 2013, continued west along DE-72, DE-4, and DE-279 to the Maryland line

DE 2 Bus.
2.91 4.68 DE 2 / DE 4 / DE 896 at Newark DE 2 / DE 72 / DE 273 at Newark 01990-01-011990[10] 02013-01-012013[11]
DE 3 5.87 9.45 I‑495 at Edgemoor DE 92 at Hanbys Corner 01968-01-011968[12] current
DE 4 14.08 22.66 DE 279 / DE 896 at Newark DE 48 at Wilmington 01967-01-011967[13] current
DE 4 8.08 13.00 MD 299 near Warwick, MD US 13 at Odessa 01938-01-011938[14] 01957-01-011957[15][16] Replaced by DE 299
DE 5 19.48 31.35 River Road at Oak Orchard DE 1 near Milton 01938-01-011938[14] current

DE 5 Alt.
3.8 6.1 DE 5 near Milton DE 5 / DE 16 near Milton 02001-01-012001[17] current
DE 6 17.31 27.86 MD 291 near Blackiston Delaware Avenue at Woodland Beach 01936-01-011936[4] current
DE 7 16.87 27.15 US 13 / DE 72 near Delaware City SR 3013 at Pennsylvania state line at Pike Creek 01936-01-011936[4] current
DE 8 17.15 27.60 MD 454 at Marydel DE 9 near Little Creek 01936-01-011936[4] current
DE 9 58.18 93.63 DE 1 near Dover Air Force Base DE 2 at Wilmington 01936-01-011936[4] current
DE 9A 2.0 3.2 DE 9 at Wilmington US 13 / DE 9 at Wilmington 01971-01-011971[18] 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 near Tybouts Corner DE 9 / DE 141 / DE 273 at New Castle
DE 10 16.12 25.94 MD 287 at Sandtown DE 1 at Dover Air Force Base 01936-01-011936[4] current

DE 10 Alt.
9.23 14.85 DE 10 at Willow Grove DE 10 at Highland Acres 01988-01-011988[19] current
DE 11 6.95 11.18 MD 302 near Templeville, MD DE 300 near Kenton 01936-01-011936[4] current
DE 12 16.19 26.06 MD 314 in Whiteleysburg DE 1 near Frederica 01936-01-011936[4] current
DE 14 19.12 30.77 MD 317 near Burrsville, MD DE 1 near Milford 01936-01-011936[4] current Route truncated from Fenwick Island to Milford in 1977 and replaced with DE 1
DE 14A 2.92 4.70 DE 14 at Dewey Beach DE 14 at Rehoboth Beach 01966-01-011966[20] 01977-01-011977[9] Renumbered DE 1A

DE 14 Truck
3.9 6.3 DE 14 at Harrington US 13 / DE 14 at Harrington 02008-01-012008[21][22] current
DE 15 57.05 91.81 DE 14 near Milford US 301 / DE 71 / DE 896 at Summit Bridge 01984-01-011984[23] current
DE 16 30.31 48.78 MD 16 near Hickman Road end at Broadkill Beach 01936-01-011936[4] current
DE 17 8.30 13.36 DE 54 at Selbyville DE 26 near Millville 01938-01-011938[14] current
DE 18 19.38 31.19 MD 318 near Federalsburg, MD US 9 / DE 404 at Georgetown 01936-01-011936[4] 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 near Fenwick Island 01936-01-011936[4] current
DE 22 21.39 34.42 Long Neck DE 14 near Milton 01936-01-011936[24] 01938-01-011938[14] Replaced by DE 5 between DE 24 and DE 14
DE 23 14.76 23.75 Road end at Long Neck US 9 / DE 404 / DE 1D at Five Points 01994-01-011994[25] current
DE 24 40.61 65.36 MD 348 near Sharptown, MD DE 1 at Midway 01936-01-011936[4] current

DE 24 Alt.
17.8 28.6 US 113 at Stockley DE 24 at Midway 02006-01-012006[26] current
DE 26 23.15 37.26 DE / MD 54 / MD 353 near Gumboro Road end at Bethany Beach 01936-01-011936[4] current
DE 28 12.79 20.58 US 13 at Laurel DE 18 at Georgetown 01936-01-011936[4] 01974-01-011974[27][28] Replaced by US 9
DE 30 44.94 72.32 US 13 near Laurel and Delmar DE 1 Bus. near Milford 01938-01-011938[14] current
DE 30 11.6 18.7 DE 20 in Seaford DE 404 near Bridgeville 01936-01-011936[24] 01938-01-011938[14]

DE 30 Alt.
0.74 1.19 DE 30 at Cedar Creek DE 1 at Cedar Creek 01999-01-011999[29] 02017-01-012017[30]
DE 32 38.59 62.10 MD 467 near Delmar DE 14 at Fenwick Island 01968-01-011968[12] 01969-01-011969[31] Replaced by DE 54
DE 34 3.30 5.31 Duncan Road near Prices Corner DE 100 near Elsmere 01976-01-011976[28] current
DE 36 23.28 37.47 DE 404 at Scotts Corner Bay Avenue in Slaughter Beach 01938-01-011938[14] current
DE 37 3.11 5.01 DE 273 near Christiana US 202 / DE 141 near New Castle Airport 01985-01-011985[32] current
DE 41 6.19 9.96 DE 2 / DE 62 at Prices Corner PA 41 near Hockessin 01936-01-011936[4] current Originally continued to New Castle along DE-62 and DE-141. Cut back to end at DE-141 at DE-2 and in 2015 again to present end.
DE 42 12.72 20.47 DE 6 at Blackiston DE 9 at Leipsic 01936-01-011936[4] current
DE 44 6.67 10.73 DE 300 at Everetts Corner DE 8 at Pearsons Corner 01936-01-011936[4] current
DE 48 7.09 11.41 DE 41 at Hockessin US 13 Bus. at Wilmington 01936-01-011936[4] current Once continued to ferry docks near Port of Wilmington and connected with NJ-48 via a ferry to Penns Grove
DE 52 7.87 12.67 US 13 Bus. at Wilmington PA 52 near Centerville 01936-01-011936[4] current
DE 54 38.59 62.10 MD 54 near Delmar DE 1 at Fenwick Island 01969-01-011969[31] current Portion of route runs concurrent with MD 54 on Maryland state line

DE 54 Alt.
8.6 13.8 DE 54 at Bunting DE 26 at Bethany Beach 02006-01-012006[26] current
DE 58 3.86 6.21 DE 4 at Christiana DE 273 near Hares Corner 01985-01-011985[32] current
DE 62 3.02 4.86 DE 2 / DE 41 at Prices Corner Dead end at Newport 01981-01-011981[33] current
DE 71 21.99 35.39 US 13 near Townsend US 13 / DE 1 at Tybouts Corner 01938-01-011938[14] current End point once followed path of US-301 to meet former MD-71
DE 72 17.35 27.92 DE 9 near Delaware City DE 7 at Pike Creek 01942-01-011942[34] current
DE 82 5.51 8.87 DE 52 near Greenville PA 82 near Yorklyn 01952-01-011952[35] current
DE 92 8.83 14.21 DE 100 near Montchanin US 13 at Claymont 01968-01-011968[12] current
DE 100 8.97 14.44 DE 4 near Elsmere SR 3100 near Montchanin 01938-01-011938[14] current Continued as PA-100 until 2003
DE 141 11.34 18.25 DE 9 / DE 273 at New Castle US 202 / DE 261 near Fairfax 01952-01-011952[35] current
DE 202 1.01 1.63 US 13 Bus. at Wilmington I‑95 / US 202 at Wilmington 01981-01-011981[33] current Old alignment of US-202
DE 261 4.62 7.44 US 202 / DE 141 near Fairfax PA 261 near Ways Corner 01938-01-011938[14] current
DE 273 12.67 20.39 MD 273 at Newark DE 9 / DE 141 at New Castle 01936-01-011936[4] current
DE 279 1.05 1.69 MD 279 near Newark DE 4 / DE 896 at Newark 02013-01-012013[11] current Former DE 2
DE 286 1.73 2.78 MD 286 near Chesapeake City, MD DE 15 near Summit Bridge 01994-01-011994[25] current
DE 299 9.77 15.72 MD 282 near Warwick, MD DE 9 at Mathews Corners 01957-01-011957[15][16] current Former DE 4, originally connected to MD-299 at Warwick
DE 300 11.83 19.04 MD 300 near Everetts Corner US 13 / DE 6 at Smyrna 01936-01-011936[4] current
DE 404 35.23 56.70 MD 404 near Adams Crossroads US 9 / DE 1 / US 9 Bus. at Five Points 01936-01-011936[4] current

DE 404 Alt.
4.65 7.48 DE 404 near Bridgeville US 13 / DE 404 near Bridgeville 01990-01-011990[10] 01999-01-011999[29] Replaced by DE 404

DE 404 Bus.
3.34 5.38 DE 404 near Bridgeville US 13 / DE 404 near Bridgeville 01999-01-011999[29] current Former DE 404

DE 404 Truck
7.2 11.6 US 113 / DE 18 / DE 404 at Georgetown US 9 / DE 404 at Georgetown
DE 491 0.36 0.58 DE 92 near Claymont PA 491 near Claymont Shortest state route, only two signs posted along DE-92
DE 896 21.05 33.88 US 13 at Boyds Corner MD 896 near Newark 01938-01-011938[14] current Once continued south on DE-71 to US-13 near Blackbird

DE 896 Alt.
11.0 17.7 US 13 / DE 896 at Boyds Corner US 40 / US 301 / DE 896 at Glasgow 02012-01-012012 Detour around Summit Bridge during construction, some signs still posted as of April 2016

DE 896 Bus.
1.78 2.86 US 301 / DE 896 near Glasgow DE 896 near Glasgow 01996-01-011996[8] current Northbound does not reconnect to DE-896, must use US-40 east
  •       Former

U.S. routes in Delaware[edit]

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 at Laurel Cape May–Lewes Ferry at Lewes 01974-01-011974[27][28] 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 at Five Points US 9 at Lewes 01974-01-011974[28] current Replaced DE 18

US 9 Truck
6.1 9.8 US 9 / US 113 / DE 404 Truck at Georgetown US 9 / DE 404 near Georgetown 01983-01-011983[23][36] current
US 13 103.33 166.29 US 13 at Maryland border at Delmar US 13 at Pennsylvania border near Claymont 01926-01-011926[37] current

US 13 Alt.
16.67 26.83 MD 455 at Delmar US 13 near Seaford 01954-01-011954[15] 01957-01-011957[16] Former alignment of US 13

US 13 Alt.
2.46 3.96 US 13 / DE 404 at Bridgeville US 13 at Bridgeville 01957-01-011957[16] 01970-01-011970[38] Former alignment of US 13. Replaced by US 13 Bus.

US 13 Alt.
5.69 9.16 US 13 / DE 15 near Canterbury US 13 at Camden 01954-01-011954[15] current Former alignment of US 13

US 13 Alt.
3.86 6.21 US 13 at Rodney Village US 13 at Dover 01959-01-011959[39] current Former alignment of US 13

US 13 Alt.
8.70 14.00 US 13 / US 202 at Wilmington US 13 at Claymont 01939-01-011939[40] 01970-01-011970[38] Replaced by US 13

US 13 Bus.
2.46 3.96 US 13 / DE 404 / DE 404 Bus. at Bridgeville US 13 / DE 404 at Bridgeville 01970-01-011970[38] current Former alignment of US 13 and US 13 Alt.

US 13 Bus.
8.19 13.18 I-495 / US 13 at Wilmington US 13 at Claymont 01970-01-011970[38] current Former alignment of US 13.

US 13 Byp.
8.19 13.18 US 13 near Claymont US 13 Byp. at Pennsylvania border near Claymont 01950-01-01c. 1950[41] 01970-01-01c. 1970[42]
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[37] current
US 113 37.26 59.96 US 113 at Maryland border at Selbyville DE 1 near Milford 01926-01-011926[37] current Route truncated from Dover to Milford in 2004

US 113 Alt.
9.10 14.65 US 113 / DE 1 at Little Heaven US 13 / US 113 at Dover 01936-01-011936[4] 02004-01-012004[43] Former alignment of US 113 south of Dover
US 122 6.15 9.90 US 13 at Wilmington US 122 at Pennsylvania border near Brandywine 01926-01-011926[37] 01936-01-011936[4] Replaced by US 202
US 202 13.06 21.02 US 13 / US 40 / DE 141 near New Castle Airport US 202 at Pennsylvania border near Brandywine 01936-01-011936[4] current Replaced US 122
US 301 14.93 24.03 US 301 at Maryland border near Warwick, MD US 40 / DE 896 at Glasgow 01959-01-011959[39] current
US 301N 11.2 18.0 US 301 / DE 71 / DE 896 at Summit Bridge US 13 / US 40 / US 301 at State Road 01959-01-011959[39] 01983-01-011983[44]
US 301S 10.69 17.20 US 301 / DE 71 / DE 896 at Summit Bridge US 13 / US 40 / US 301 at State Road 01959-01-011959[39] 01983-01-011983[44]

US 301 Truck
9.10 14.65 US 301 / DE 71 / DE 896 at Mount Pleasant US 13 / US 40 / US 301 at State Road 02001-01-012001
  •       Former

Interstate highways in Delaware[edit]

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 01956-01-011956[45] current
I-295 5.71 9.19 I‑95 / I‑495 / US 202 at Newport I-295 / US 40 at New Jersey border near Wilmington Manor 01959-01-011959[39] current
I-495 11.47 18.46 I‑95 / I‑295 / US 202 at Newport I‑95 / DE 92 at Claymont 01962-01-011962[46] current I-95 was routed along I-495 from 1979-1980 during a major reconstruction.
I-895 10.78 17.35 I‑95 at Newport I‑95 at Claymont 01979-01-011979[47] 01980-01-011980[48] Temporary designation for I-95 through Wilmington during a major reconstruction
  •       Former

See also[edit]

References[edit]

  1. ^ "Annual Report of the State Highway Department" (PDF). 1925. Dover, Delaware: Delaware State Highway Department. 1925-12-31: 17. Retrieved 2010-11-18.
  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.
  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.
  4. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa 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. Retrieved November 24, 2015.
  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.
  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.
  7. ^ a b c Maryland State Highway Administration (1974). Maryland: Official Highway Map (Map). Baltimore: Maryland State Highway Administration.
  8. ^ a b Delaware Department of Transportation Division of Planning Cartographic Information Section (1996). Delaware Official State Map (PDF) (Map). Dover: Delaware Department of Transportation. Retrieved November 24, 2015.
  9. ^ a b Maryland State Highway Administration (1977). Maryland: Official Highway Map (Map). Baltimore: Maryland State Highway Administration.
  10. ^ a b Delaware Department of Transportation (1990). Official State Map (PDF) (Map). Dover: Delaware Department of Transportation. Retrieved November 24, 2015.
  11. ^ a b Shannon, Josh (July 1, 2013). "A route to less clutter: DelDOT to consolidate Newark route numbers". Newark Post. Retrieved August 15, 2013.
  12. ^ a b c Delaware State Highway Department (1968). Official Highway Map (PDF) (Map). Dover: Delaware State Highway Department. Northern New Castle County inset. Retrieved November 24, 2015.
  13. ^ Delaware State Highway Department (1967). Official Highway Map (PDF) (Map). Dover: Delaware State Highway Department. Retrieved November 24, 2015.
  14. ^ a b c d e f g h i j k Delaware State Highway Department; The National Survey Co. (1938). Official Road Map of the State of Delaware (PDF) (Map). Dover: Delaware State Highway Department. Retrieved November 24, 2015.
  15. ^ a b c d Delaware State Highway Department (1954). Official Highway Map of Delaware (PDF) (Map) (1954–1955 ed.). Dover: Delaware State Highway Department. Retrieved November 24, 2015.
  16. ^ a b c d Delaware State Highway Department (1957). Official Highway Map of Delaware (PDF) (Map) (1957–1958 ed.). Dover: Delaware State Highway Department. Retrieved November 24, 2015.
  17. ^ Delaware Department of Transportation (2001). Delaware Official Transportation Map (PDF) (Map). Dover: Delaware Department of Transportation. Retrieved November 24, 2015.
  18. ^ Delaware Department of Highways and Transportation (1971). Delaware Highways Official Map (PDF) (Map). Dover: Delaware Department of Highways and Transportation. Retrieved November 24, 2015.
  19. ^ Delaware Department of Transportation (1988). Official State Highway Map (PDF) (Map). Dover: Delaware Department of Transportation. Retrieved November 24, 2015.
  20. ^ Delaware State Highway Department (1966). Official Highway Map (PDF) (Map). Dover: Delaware State Highway Department. Retrieved November 24, 2015.
  21. ^ Delaware Department of Transportation (2008). Delaware Official Transportation Map (PDF) (Map). Dover: Delaware Department of Transportation. Retrieved November 24, 2015.
  22. ^ "City of Harrington Truck Route By-Pass Opens Today". Delaware Department of Transportation. August 20, 2008. Archived from the original on January 17, 2009. Retrieved February 1, 2009.
  23. ^ a b Delaware Department of Transportation (1984). Official State Highway Map (PDF) (Map). Dover: Delaware Department of Transportation. Retrieved November 24, 2015.
  24. ^ a b "1940 Census Enumeration District Maps - Delaware - Sussex County - ED 3-1 - ED 3-57". United States Census Bureau. Retrieved December 20, 2017.
  25. ^ a b Delaware Department of Transportation Division of Planning Cartographic Information Section (1994). Delaware Official State Map (PDF) (Map). Dover: Delaware Department of Transportation. Retrieved November 24, 2015.
  26. ^ a b Delaware Department of Transportation (2006). Delaware Official Transportation Map (PDF) (Map). Dover: Delaware Department of Transportation. Retrieved November 24, 2015.
  27. ^ a b U.S. Route Numbering Subcommittee (June 25, 1974). "U.S. Route Numbering Subcommittee Agenda" (PDF) (Report). Washington, DC: American Association of State Highway and Transportation Officials. p. 448. Retrieved October 16, 2014 – via Wikimedia Commons.
  28. ^ a b c d Delaware Department of Highways and Transportation (1976). Delaware Highways Official Map (PDF) (Map). Dover: Delaware Department of Highways and Transportation. Retrieved November 24, 2015.
  29. ^ a b c Delaware Department of Transportation (1999). Delaware Official Transportation Map (PDF) (Map). Dover: Delaware Department of Transportation. Retrieved November 24, 2015.
  30. ^ Delaware Department of Transportation (2017). Official Travel & Transportation Map (Map). Dover: Delaware Department of Transportation.
  31. ^ a b Delaware State Highway Department (1969). Official Highway Map (PDF) (Map). Dover: Delaware State Highway Department. Retrieved November 24, 2015.
  32. ^ a b Delaware Department of Transportation (1985). Official State Highway Map (PDF) (Map). Dover: Delaware Department of Transportation. Retrieved November 24, 2015.
  33. ^ a b Delaware Department of Transportation (1981). Delaware Official State Highway Map (PDF) (Map). Dover: Delaware Department of Transportation. Retrieved November 24, 2015.
  34. ^ Delaware State Highway Department (1942). Official Road Map of the State of Delaware (PDF) (Map). Dover: Delaware State Highway Department. Retrieved November 24, 2015.
  35. ^ a b Delaware State Highway Department (1952). Official Highway Map of Delaware (PDF) (Map) (1952–1953 ed.). Dover: Delaware State Highway Department. Retrieved November 24, 2015.
  36. ^ Special Committee on U.S. Route Numbering (October 1, 1983). "Route Numbering Committee Agenda" (PDF) (Report). Washington, DC: American Association of State Highway and Transportation Officials. p. 538. Retrieved October 15, 2014 – via Wikimedia Commons.
  37. ^ a b c d United States System of Highways Adopted for Uniform Marking by the American Association of State Highway Officials (Map). 1:7,000,000. Cartography by U.S. Geological Survey. Bureau of Public Roads. November 11, 1926. OCLC 32889555. Retrieved April 27, 2009.
  38. ^ a b c d U.S. Route Numbering Subcommittee (November 7, 1970). "U.S. Route Numbering Subcommittee Agenda Showing Action Taken by the Executive Committee" (PDF) (Report). Washington, DC: American Association of State Highway Officials. p. 397. Retrieved October 15, 2014 – via Wikimedia Commons.
  39. ^ a b c d e Delaware State Highway Department (1959). Official Highway Map of Delaware (PDF) (Map) (1959–1960 ed.). Dover: Delaware State Highway Department. Retrieved November 24, 2015.
  40. ^ Delaware State Highway Department (1939). Official Road Map of the State of Delaware (PDF) (Map). Dover: Delaware State Highway Department. Retrieved November 24, 2015.
  41. ^ General Highway Map Delaware County, Pennsylvania (PDF) (Map). Pennsylvania Department of Highways. 1950. Retrieved January 14, 2014.
  42. ^ Official Map of Pennsylvania (back) (PDF) (Map). Pennsylvania Department of Highways. 1970. Retrieved January 16, 2014.
  43. ^ Special Committee on U.S. Route Numbering (October 7, 2003). "Report of the Special Committee on U.S. Route Numbering to the Standing Committee on Highways" (PDF) (Report). Washington, DC: American Association of State Highway and Transportation Officials. Archived (PDF) from the original on October 16, 2017. Retrieved April 15, 2010.
  44. ^ a b Special Committee on U.S. Route Numbering (June 20, 1983). "Route Numbering Committee Agenda" (PDF) (Report). Washington, DC: American Association of State Highway and Transportation Officials. p. 535. Retrieved October 11, 2014 – via Wikimedia Commons.
  45. ^ Official Route Numbering for the National System of Interstate and Defense Highways (Map). American Association of State Highway Officials. August 14, 1957. Retrieved November 9, 2014.
  46. ^ "Report of the State Highway Department of the State of Delaware" (PDF) (1962 ed.). Dover, Delaware: Delaware State Highway Department. 1962: 93. Retrieved December 4, 2014.
  47. ^ Special Committee on U.S. Route Numbering (June 25, 1979). "Route Numbering Committee Agenda Showing Action Taken by the Executive Committee" (PDF) (Report). Washington, DC: American Association of State Highway and Transportation Officials. p. 501. Retrieved November 13, 2014 – via Wikimedia Commons.
  48. ^ Special Committee on U.S. Route Numbering (November 14, 1980). "Route Numbering Committee Agenda" (PDF) (Report). Washington, DC: American Association of State Highway and Transportation Officials. p. 519. Retrieved November 13, 2014 – via Wikimedia Commons.

External links[edit]