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.
Delaware State Route System | |
---|---|
Highway names | |
Interstates | Interstate X (I-X) |
US Highways | U.S. Route X (US X) |
State | Delaware Route X (DE X) |
System links | |
History
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]
Interstate Highways
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 | [7] | 1956current | ||
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 | [8] | 1959current | ||
I-495 | 11.47 | 18.46 | I-95 / I-295 / US 202 at Newport | I-95 / DE 92 at Claymont | [9] | 1962current | 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 | [10] | 1979[11] | 1980Temporary designation for I-95 through Wilmington during a major reconstruction | |
|
U.S. Highways
Mainline routes
Number | Length (mi)[6] | Length (km) | Southern or western terminus | Northern or eastern terminus | Formed | Removed | Notes | |
---|---|---|---|---|---|---|---|---|
US 9 | 31.04 | 49.95 | US 13 at Laurel | Cape May–Lewes Ferry at Lewes | [12][13] | 1974current | Replaced DE 28 between Laurel and Georgetown and DE 18 between Georgetown and Five Points | |
US 13 | 103.33 | 166.29 | US 13 at Maryland border at Delmar | US 13 at Pennsylvania border near Claymont | [14] | 1926current | ||
US 40 | 17.18 | 27.65 | US 40 at Maryland border near Glasgow | I-295 / US 40 at New Jersey border near Wilmington Manor | [14] | 1926current | ||
US 113 | 37.26 | 59.96 | US 113 at Maryland border at Selbyville | DE 1 near Milford | [14] | 1926current | Route truncated from Dover to Milford in 2004 | |
US 122 | 6.15 | 9.90 | US 13 at Wilmington | US 122 at Pennsylvania border near Brandywine | [14] | 1926[4][15] | 1934Replaced by US 202 | |
US 202 | 12.65 | 20.36 | US 13 / US 40 / DE 141 near New Castle Airport | US 202 at Pennsylvania border near Brandywine | [4][15] | 1934current | Replaced US 122 | |
US 301 | 11.29 | 18.17 | US 301 at Maryland border near Warwick, MD | DE 1 at Biddles Corner | [8] | 1959current | Four-lane freeway that is tolled. | |
US 301N | 11.2 | 18.0 | US 301 / DE 71 / DE 896 at Summit Bridge | US 13 / US 40 / US 301 at State Road | [8] | 1959[16] | 1983||
US 301S | 10.69 | 17.20 | US 301 / DE 71 / DE 896 at Summit Bridge | US 13 / US 40 / US 301 at State Road | [8] | 1959[16] | 1983||
|
Special routes
Number | Length (mi)[6] | Length (km) | Southern or western terminus | Northern or eastern terminus | Formed | Removed | Notes | |
---|---|---|---|---|---|---|---|---|
US 9 Bus. |
3.36 | 5.41 | US 9 / DE 1 / DE 404 at Nassau | US 9 at Lewes | [13] | 1974current | 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 | [17][18] | 1983current | ||
US 13 Alt. |
16.67 | 26.83 | MD 455 at Delmar | US 13 near Seaford | [19] | 1954[20] | 1957Former alignment of US 13 | |
US 13 Alt. |
2.46 | 3.96 | US 13 / DE 404 at Bridgeville | US 13 at Bridgeville | [20] | 1957[21] | 1970Former 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 | [19] | 1954current | Former alignment of US 13 | |
US 13 Alt. |
3.86 | 6.21 | US 13 at Rodney Village | US 13 at Dover | [8] | 1959current | Former alignment of US 13 | |
US 13 Alt. |
8.70 | 14.00 | US 13 / US 202 at Wilmington | US 13 at Claymont | [22] | 1939[21] | 1970Replaced 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 | [21] | 1970current | 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 | [21] | 1970current | Former alignment of US 13. | |
US 13 Byp. |
8.19 | 13.18 | US 13 near Claymont | US 13 Byp. at Pennsylvania border near Claymont | 1950[23] | c.1970[24] | c.||
US 113 Alt. |
9.10 | 14.65 | US 113 / DE 1 at Little Heaven | US 13 / US 113 at Dover | [4] | 1936[25] | 2004Former alignment of US 113 south of Dover | |
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 | — | 2001 | ||
|
State routes
Number | Length (mi)[6] | Length (km) | Southern or western terminus | Northern or eastern terminus | Formed | Removed | Notes | |
---|---|---|---|---|---|---|---|---|
DE 1 | 102.63 | 165.17 | MD 528 at Fenwick Island | I-95 / DE 7 at Christiana | [26] | 1974current | 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 | 2.01 | 3.23 | DE 1 at Dewey Beach | DE 1 at Rehoboth Beach | [26] | 1974current | Former DE 14A | |
DE 1B | 0.75 | 1.21 | DE 1 at Rehoboth Beach | DE 1A at Rehoboth Beach | [26] | 1974current | ||
DE 1D | 3.92 | 6.31 | DE 1 / DE 24 at Midway | DE 23 at Nassau | [27] | 1996current | ||
DE 1 Bus. |
3.90 | 6.28 | DE 1 near Milford | US 113 / DE 1 near Milford | [28] | 1977current | ||
DE 2 | 10.81 | 17.40 | DE 72 / DE 273 near Newark | DE 52 at Wilmington | [4] | 1936current | 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 | [29] | 1990[30] | 2013||
DE 3 | 6.15 | 9.90 | I-495 at Edgemoor | DE 92 at Hanbys Corner | [31] | 1968current | ||
DE 4 | 14.08 | 22.66 | DE 279 / DE 896 at Newark | DE 48 at Wilmington | [32] | 1967current | ||
DE 4 | 8.08 | 13.00 | MD 299 near Warwick, MD | US 13 at Odessa | [33] | 1938[19][20] | 1957Replaced by DE 299 | |
DE 5 | 19.49 | 31.37 | River Road at Oak Orchard | DE 1 near Milton | [33] | 1938current | ||
DE 5 Alt. |
3.8 | 6.1 | DE 5 near Milton | DE 5 / DE 16 near Milton | [34] | 1998current | ||
DE 6 | 17.38 | 27.97 | MD 291 near Blackiston | Delaware Avenue at Woodland Beach | [4] | 1936current | ||
DE 7 | 16.87 | 27.15 | US 13 / DE 72 in Wrangle Hill | SR 3013 at Pennsylvania state line near Hockessin | [4] | 1936current | ||
DE 8 | 17.15 | 27.60 | MD 454 at Marydel | DE 9 near Little Creek | [4] | 1936current | ||
DE 9 | 57.83 | 93.07 | DE 1 near Dover Air Force Base | DE 2 at Wilmington | [4] | 1936current | ||
DE 9A | 2.0 | 3.2 | DE 9 at Wilmington | US 13 / DE 9 at Wilmington | [35] | 1971current | 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 | [4] | 1936current | ||
DE 10 Alt. |
9.23 | 14.85 | DE 10 at Willow Grove | DE 10 at Highland Acres | [36] | 1988current | ||
DE 11 | 6.93 | 11.15 | MD 302 near Templeville, MD | DE 300 near Kenton | [4] | 1936current | ||
DE 12 | 16.35 | 26.31 | MD 314 in Whiteleysburg | DE 1 near Frederica | [4] | 1936current | ||
DE 14 | 19.47 | 31.33 | MD 317 near Burrsville, MD | DE 1 near Milford | [4] | 1936current | Route truncated from Fenwick Island to Milford in 1977 and replaced with DE 1 | |
DE 14A | 2.01 | 3.23 | DE 14 at Dewey Beach | DE 14 at Rehoboth Beach | [37] | 1966[28] | 1977Renumbered DE 1A | |
DE 14 Truck |
3.9 | 6.3 | DE 14 at Harrington | US 13 / DE 14 at Harrington | [38][39] | 2008current | ||
DE 15 | 57.05 | 91.81 | DE 14 near Milford | DE 71 / DE 896 at Summit Bridge | [17] | 1984current | ||
DE 16 | 30.31 | 48.78 | MD 16 near Hickman | Road end at Broadkill Beach | [4] | 1936current | ||
DE 17 | 8.30 | 13.36 | DE 54 at Selbyville | DE 26 near Millville | [33] | 1938current | ||
DE 18 | 19.35 | 31.14 | MD 318 near Federalsburg, MD | US 9 / DE 404 at Georgetown | [4] | 1936current | 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 | [4] | 1936current | ||
DE 22 | 21.39 | 34.42 | Long Neck | DE 14 near Milton | [40] | 1936[33] | 1938Replaced by DE 5 between DE 24 and DE 14 | |
DE 23 | 15.63 | 25.15 | Road end at Long Neck | US 9 / DE 404 at Nassau | [41] | 1994current | ||
DE 24 | 40.42 | 65.05 | MD 348 near Sharptown, MD | DE 1 at Midway | [4] | 1936current | ||
DE 24 Alt. |
17.8 | 28.6 | US 113 at Stockley | DE 24 at Midway | [42] | 2006current | ||
DE 26 | 22.96 | 36.95 | DE / MD 54 / MD 353 near Gumboro | Road end at Bethany Beach | [4] | 1936current | ||
DE 28 | 12.79 | 20.58 | US 13 at Laurel | DE 18 at Georgetown | [4] | 1936[12][13] | 1974Replaced by US 9 | |
DE 30 | 22.63 | 36.42 | DE 24 at Millsboro | DE 1 Bus. at Milford | [33] | 1938current | ||
DE 30 | 11.6 | 18.7 | DE 20 in Seaford | DE 404 near Bridgeville | [40] | 1936[33] | 1938||
DE 30 Alt. |
0.74 | 1.19 | DE 30 at Cedar Creek | DE 1 at Cedar Creek | [43] | 1999[44] | 2017||
DE 32 | 38.59 | 62.10 | MD 467 near Delmar | DE 14 at Fenwick Island | [31] | 1968[45] | 1969Replaced by DE 54 | |
DE 34 | 3.30 | 5.31 | Duncan Road near Prices Corner | DE 100 near Elsmere | [46] | 1974[46] | 2019||
DE 36 | 23.28 | 37.47 | DE 404 at Scotts Corner | Bay Avenue in Slaughter Beach | [33] | 1938current | ||
DE 37 | 3.11 | 5.01 | DE 273 near Christiana | US 202 / DE 141 near New Castle Airport | [47] | 1985current | ||
DE 41 | 6.19 | 9.96 | DE 2 / DE 62 at Prices Corner | PA 41 near Hockessin | [4] | 1936current | 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 | 12.74 | 20.50 | DE 6 at Blackiston | DE 9 at Leipsic | [4] | 1936current | ||
DE 44 | 6.65 | 10.70 | DE 300 at Everetts Corner | DE 8 at Pearsons Corner | [4] | 1936current | ||
DE 48 | 7.09 | 11.41 | DE 41 at Hockessin | US 13 Bus. at Wilmington | [4] | 1936current | 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 | [4] | 1936current | ||
DE 54 | 38.59 | 62.10 | MD 54 near Delmar | DE 1 at Fenwick Island | [45] | 1969current | 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 | [42] | 2006current | ||
DE 58 | 3.86 | 6.21 | DE 4 at Christiana | DE 273 near Hares Corner | [47] | 1985current | ||
DE 62 | 3.02 | 4.86 | DE 2 / DE 41 at Prices Corner | Dead end at Newport | [48] | 1981current | ||
DE 71 | 21.99 | 35.39 | US 13 near Townsend | US 13 / DE 1 at Tybouts Corner | [33] | 1938current | End point once followed path of US-301 to meet former MD-71 | |
DE 72 | 17.42 | 28.03 | DE 9 near Delaware City | DE 7 at Pike Creek | [49] | 1942current | ||
DE 82 | 5.49 | 8.84 | DE 52 near Greenville | PA 82 near Yorklyn | [50] | 1952current | ||
DE 92 | 8.83 | 14.21 | DE 100 near Montchanin | US 13 at Claymont | [31] | 1968current | ||
DE 100 | 8.99 | 14.47 | DE 4 near Elsmere | SR 3100 near Montchanin | [33] | 1938current | Continued as PA-100 until 2003 | |
DE 141 | 11.60 | 18.67 | DE 9 / DE 273 at New Castle | US 202 / DE 261 near Fairfax | [50] | 1952current | ||
DE 202 | 1.01 | 1.63 | US 13 Bus. at Wilmington | I-95 / US 202 at Wilmington | [48] | 1981current | Old alignment of US-202 | |
DE 261 | 4.37 | 7.03 | US 202 / DE 141 near Fairfax | PA 261 near Ways Corner | [33] | 1938current | ||
DE 273 | 12.66 | 20.37 | MD 273 at Newark | DE 9 / DE 141 at New Castle | [4] | 1936current | ||
DE 279 | 1.05 | 1.69 | MD 279 at Newark | DE 4 / DE 896 at Newark | [30] | 2013current | Former DE 2 | |
DE 286 | 1.73 | 2.78 | MD 286 near Chesapeake City, MD | DE 15 near Summit Bridge | [41] | 1994current | ||
DE 299 | 9.77 | 15.72 | MD 282 near Warwick, MD | DE 9 at Mathews Corners | [19][20] | 1957current | 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 | [4] | 1936current | ||
DE 404 | 35.22 | 56.68 | MD 404 near Adams Crossroads | US 9 / DE 1 / US 9 Bus. at Nassau | [4] | 1936current | ||
DE 404 Alt. |
4.65 | 7.48 | DE 404 near Bridgeville | US 13 / DE 404 near Bridgeville | [29] | 1990[43] | 1999Replaced by DE 404 | |
DE 404 Bus. |
3.45 | 5.55 | DE 404 near Bridgeville | US 13 / DE 404 near Bridgeville | [43] | 1999current | 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 | 21.13 | 34.01 | US 13 at Boyds Corner | MD 896 near Newark | [33] | 1938current | 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 | — | 2012 | Detour around Summit Bridge during construction, some signs still posted as of April 2016 | |
DE 896 Bus. |
1.78 | 2.86 | DE 896 near Glasgow | DE 896 near Glasgow | [27] | 1996current | Northbound does not reconnect to DE-896, must use US-40 east | |
|
See also
References
External links
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