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State Routes

Kentucky has a vast system of state highways: including interstates, parkways, U.S. routes, and state routes, Kentucky had 27441.407 miles of state maintained roads as of July 7, 2003. As of Dec. 1, 2003, official route logs listed 3716 individual numbered routes.

The majority of these routes are designated as state roads (as opposed to interstates, parkways, or U.S. routes). Among the transportation community, Kentucky is well known for designating some of the most seemingly undeserving routes as state roads. Kentucky’s state route system includes everything from superhighways such as KY 841 and KY 4 to residential streets in cities and one-lane roads twisting through the valleys and hills of Eastern Kentucky. Many of Kentucky’s minor state roads are “secret:” that is there are no signs indicating their state route number or that they are even state routes.

State and U.S. routes in Kentucky are classified as being either part of “state primary” system or “state secondary” system. These designations are also “secret” in that there is no difference in the style of signage used to mark the route.

Most of Kentucky’s state routes are assigned numbers in the 1 to 3999 range. In recent years, new state routes have usually been assigned numbers in 3000s; however, there has been some notable use of lower route numbers: the new industrial parkway in northeastern Kentucky was designated KY 67 and an old portion of KY 80 in the Jackson Purchase was recently redesignated KY 402.

Numbers in the 6000s are usually assigned to frontage roads and other supplemental routes. Though designated as Kentucky routes in route logs, signs for the 6000-series routes are rarely posted. (The only known signed 6000-series route is KY 6011 in Lyon County. See a photograph near the bottom of this page [Outside Link].)

The parkways are assigned state route numbers in the 9000s. These numbers are also unposted.

It is the usual policy that state route numbers not be duplicated among the various types of routes. For example, a state road should not use the same number as an interstate or a state road should not use the number as US route. However, there are two known exceptions to this rule. There is both a US 79 and KY 79 and an Interstate 471 and a KY 471. If I-66 or I-69 are constructed in Kentucky, KY 66 and KY 69 may be renumbered. Other routes have been renumbered because of new interstates in the past (see here [Outside Link]).


AA Highway Kentucky Turnpike KY 1 KY 10 KY 100
KY 1008 KY 101 KY 1017 KY 102 KY 1020
KY 106 KY 1065 KY 109 KY 1098 KY 11
KY 1117 KY 112 KY 1120 KY 1129 KY 114
KY 115 KY 1159 KY 1188 KY 121 KY 1214
KY 122 KY 1227 KY 123 KY 1240 KY 1274
KY 1292 KY 130 KY 1303 KY 133 KY 1330
KY 1354 KY 1357 KY 136 KY 1373 KY 1375
KY 1384 KY 1419 KY 144 KY 1447 KY 1452
KY 1457 KY 146 KY 1460 KY 1462 KY 1496
KY 15 KY 1501 KY 1508 KY 152 KY 154
KY 1566 KY 1569 KY 1571 KY 159 KY 16
KY 1600 KY 1628 KY 163 KY 1631 KY 1635
KY 1637 KY 165 KY 1653 KY 168 KY 17
KY 1703 KY 1747 KY 1749 KY 175 KY 177
KY 1770 KY 178 KY 18 KY 180 KY 181
KY 1820 KY 1833 KY 185 KY 1865 KY 1892
KY 19 KY 191 KY 192 KY 1936 KY 194
KY 1947 KY 195 KY 1958 KY 1959 KY 1964
KY 1973 KY 1986 KY 1999 KY 2 KY 20
KY 2009 KY 201 KY 2022 KY 2047 KY 207
KY 2071 KY 21 KY 210 KY 2121 KY 213
KY 214 KY 2155 KY 2158 KY 2168 KY 22
KY 220 KY 221 KY 2262 KY 228 KY 2328
KY 2330 KY 234 KY 237 KY 243 KY 244
KY 2448 KY 245 KY 247 KY 249 KY 2498
KY 251 KY 2514 KY 253 KY 2541 KY 255
KY 259 KY 261 KY 2665 KY 267 KY 268
KY 269 KY 270 KY 279 KY 28 KY 2852
KY 286 KY 292 KY 2921 KY 2924 KY 2925
KY 3 KY 30 KY 3005 KY 307 KY 3113
KY 313 KY 3155 KY 3160 KY 3183 KY 32
KY 322 KY 3225 KY 3226 KY 3237 KY 329
KY 3297 KY 33 KY 3325 KY 334 KY 3347
KY 3350 KY 3368 KY 338 KY 3393 KY 34
KY 348 KY 3490 KY 35 KY 3522 KY 365
KY 369 KY 393 KY 4 KY 402 KY 403
KY 404 KY 414 KY 416 KY 44 KY 450
KY 451 KY 453 KY 461 KY 471 KY 49
KY 501 KY 503 KY 52 KY 53 KY 536
KY 54 KY 541 KY 547 KY 55 KY 550
KY 555 KY 559 KY 56 KY 566 KY 57
KY 58 KY 595 KY 6011 KY 61 KY 613
KY 627 KY 638 KY 640 KY 645 KY 655
KY 66 KY 661 KY 667 KY 668 KY 67
KY 680 KY 69 KY 693 KY 7 KY 70
KY 713 KY 72 KY 740 KY 746 KY 750
KY 79 KY 793 KY 8 KY 80 KY 811
KY 82 KY 824 KY 841 KY 848 KY 864
KY 871 KY 88 KY 880 KY 884 KY 89
KY 9 KY 90 KY 909 KY 91 KY 911
KY 914 KY 92 KY 920 KY 922 KY 933
KY 94 KY 974 KY 978 KY 979 KY 98

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Related news topics: [Interstates] [Parkways] [US Routes]


State Routes News Items

[Louisville - Jefferson County]
Metro Louisville Government to Take Over Maintenance of All State Roads in Jefferson County
Posted: 31-Mar-2009 9:40PM CDT

Beginning April 1, 2009 the Louisville-Jefferson County metro government will take over maintenance of state roads and state controlled traffic signals in Jefferson County. The state will pay the metro government for the maintenance expenses.

More information: Louisville Courier-Journal: Louisville to maintain state roads; City will be paid millions a year; 66 jobs to be added (March 26, 2009) [Outside Link]

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Updated: 31-Mar-2009 9:40PM CDT

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