This is a list of former and possible future numbered highways in Kentucky - plus some assorted odds and ends.
☛ Has never existed in Kentucky but an official map marked it as a future route.
☛ A 1980s proposal would have run I-66 from Paducah to Lexington - mostly on existing parkways - then along I-64 to eventually connect to the existing I-66 in Virginia.
☛ A later plan demanded running I-66 on a new freeway from Wickliffe to Paducah; I-24; the Western Kentucky and Natcher parkways; I-65; the Louie B. Nunn Parkway; and a new freeway paralleling KY 80 and the Hal Rogers Parkway and running to the state line near Phelps.
☛ I-66 was apparently canned in 2015 - though some news articles still didn't give up the ghost.
☛ Rand Paul has proposed designating the southern half of the Breathitt Parkway as I-169. I suspect the real reason is that Paul just doesn't like Ned Breathitt's party affiliation and wants his name removed from the road. With today's atmosphere of partisanship I wouldn't doubt it at all.
☛ Never existed in Kentucky. I-175 was an extremely costly road proposed by the George W. Bush regime to run from Chattanooga to Lexington - duplicating what I-75 already did.
☛ I-369 has been proposed as a possible future numbering of the Audubon Parkway - since the freeway starts at I-69 and acts as a spur to Owensboro.
☛ I-464 was proposed long ago as a number for KY 4 - the Lexington loop - even though it did not intersect I-64 or any other Interstate.
☛ In 2016 unpopular Tea Party Gov. Matt Bevin submitted a plan to designate the Natcher Parkway as I-565 and spend $66 million on construction. So much for those budget cuts! As with I-169, I feared the real reason for renumbering this road is that Bevin didn't like William Natcher's party affiliation and wanted his name removed. Whatever the weather, this plan more or less came true in 2019 - though the road became I-165.
☛ I don't think US 37 was ever signed but it reportedly appeared on maps in the 1930s and ran from Chattanooga TN to Sellersburg IN. In Kentucky it supposedly used parts of what became US 127; KY 90; US 31E; and US 31.
☛ Still exists in the Deep South but once ran as far north as Hopkinsville - before that stretch became US 41A.
☛ Runs from the Canadian border in Portal ND (where it becomes SK 39) to Charleston SC.
☛ Though still absent from official logs US 52/119 makes 2 extremely brief entries into Pike County on the north end of Williamson WV. This stretch is part of the Williamson bypass and has entered Kentucky since 1996.
☛ Not a continuation of KY 52 despite having the same number.
☛ Never happened! US 143 was once proposed from Nashville to Glasgow KY but it never came to be!
☛ An old memory of the U.S. route system's early days. US 168 ran from Louisville to Mount Vernon and became part of US 150 way back in 1934.
☛ The intrastate and entirely nonmetropolitan US 227 ran from Richmond to Paris; along US 460 to Georgetown; and then to Carrollton. It was decertified in 1972 - a rare loss of a U.S. route in Kentucky. Generally the old route is now KY 388 and 627 from Richmond to Paris and KY 227 from near Georgetown to Carrollton.
☛ Ran only from Nashville to Hopkinsville - and lasted only from 1926 to 1930.
☛ Became US 41E and later part of US 41.
☛ Doesn't exist now that I-24 pilfered its number. As late as 1964 it appeared on maps running from US 62 in Mason County to KY 2 at Carter.
☛ Remember back in the 1980s when they had those radio ads where they'd sing, ''Man o' War...In your mailbox...''? Well, around that time, KY 50 was Man o' War Boulevard in Lexington. This is an important road - of rather recent vintage - that forms a semicircle for 17 miles on Lexington's south side. The first stretch opened in 1975. The east end of this road is now KY 1425. Wikipedia said, ''Dissatisfaction with Man o' War has been widespread in Lexington almost from the road's completion'' - since many expected it to be an Interstate-style road. (Some people expect everything to be an Interstate-style road!)
☛ US 421 from Frankfort to Lexington was known as KY 50 until the 1940s.
☛ Became US 231.
☛ Became US 431.
Simpson/Allen 1988 - Renumbered KY 585 due to the advent of I-265 miles away in the Louisville area.
Barren 1992 - In Glasgow. According to my 1964 Rand McNally Road Atlas a completely different KY 318 existed as part of what is now either KY 1054 or 330 in Pendleton County.
Hopkins 1995 - Northwest and Northeast Railroad Street and Franklin Street in White Plains.
Lincoln 2001 - Ran from KY 198 to KY 78.
Greenup/Lewis/Mason/Bracken/Pendleton/Campbell 1994 - The original number for the AA Highway (including the leg to Grays Branch but not to Grayson) before it became KY 9 and 10 in 1994. It was designated KY 546 in 1988, when construction was just commencing. (I know construction got under way around that time, because that was around the time I had to walk 7 miles home from high school because the principal made me miss the bus, and I had to traverse a dangerous temporary detour of US 27 that lacked shoulders. Now that could have been a great lawsuit.) The AA Highway from Quincy to Cold Spring opened in 1990.
Jackson 1985 - Off KY 30 in Annville.
Crittenden 2002 - Ran from near Crayne, to Chapel Hill, and about to Marion city limits.
Carter 1994 - The Grayson leg of the AA Highway was at first numbered KY 694 and is now KY 9.
Hardin 1994 - Main Street in West Point before becoming Biz US 31W.
Boone 1987 - KY 1018 used to be Hopeful Church Road in Florence. It became part of KY 842. I have no idea why they didn't just extend the KY 1018 designation rather than finding a new number.
Meade - Bypass Road around Brandenburg. Became part of KY 313.
Gallatin 2007 - Composed mainly of the bridge at Markland Dam. It began at US 42 and looped over that road as it formed the bridge - forming a prototypical ''Kentucky loop.'' The bridge is now part of the much longer KY 1039. The looped portion of KY 1188 became one of the ramps to US 42.
Estill 2018 - Pryse Road.
Fayette - South Forbes Road. Previously extended southeast to US 27 using Red Mile Road and Virginia Avenue.
Kenton 2018 - Buds Way.
Ballard 2019 - Lake Drive and North 4th Street in Barlow.
Fayette - Jefferson Street in downtown Lexington.
Christian 1986 - Added to KY 1946 to form KY 2544.
Hardin 1998 - In the northern part of Radcliff near the settlement of Farleigh. (''Eww, Farleigh!''...another inside joke!)
Taylor 1986 - In Campbellsville.
Taylor 1986 - In Campbellsville.
Taylor 1986 - In Campbellsville.
Henderson 2018 - Trigg-Turner Road.
Butler - Russellville Street in Rochester.
Kenton 2018 - West 3rd Street and Johnson Street in Covington - beginning and ending at KY 8.
McLean - Batsel Road.
Whitley 1981 - In Williamsburg.
McLean - Hatfield-Stevens Road.
Carter 2018 - Railroad Street in Olive Hill - beginning and ending at US 60.
Simpson - Sam Hollins Road.
McCracken 1982 - In Paducah.
Hopkins 2004 - Freedom Road. It's fitting that a road called Freedom Road would be dropped from the state highway system in 2004, because Americans lost a lot of freedom in 2004.
Hopkins 2000 - Part of Ivan Edwards Lane.
Logan 1995 - In Lewisburg.
Grayson 1983 - Became KY 736.
Nelson 2001 - In Bardstown.
Floyd 1985 - Betsy Layne School Road.
Hart 1999 - Probably most or all of KY 2747 thru 2753 were overpasses over I-65 in Hart County.
Rockcastle 1991 - KY 2794 to 2797 ranged from 0.159 to 0.864 mile.
Rockcastle 1987 - Became KY 3275.
Hardin 1991 - An unknown 5½-mile road.
Jefferson 1983 - In Louisville.
Woodford - Paralleled the south side of US 60 and looked more like somebody's driveway.
Kenton - Baker Street in Erlanger from KY 236 to Erlanger Road. I once heard the song ''Baker Street'' by Gerry Rafferty on the radio while riding in my parents' Plymouth Horizon on Baker Street. Strange but true!
Kenton 1985 - In Erlanger.
Kenton - Houston Road in Erlanger from KY 236 & 842 to Erlanger Road. Formerly Hartman Road. (Erlanger Road incidentally is one of these like Three Mile that sadly is broken into a zillion pieces by freeways being thrown in their way.)
Kenton 1997 - The mostly residential Pieck Drive in Fort Mitchell and Fort Wright.
Powell 2018 - Lofty Heights Road.
Jefferson 2002 - Was used for an old part of KY 1230 from 2000 to 2002.
Mason 2001 - Established 1997 as a new road from the AA Highway to the approach of the William H. Harsha Bridge in Maysville. Became part of US 62 in 2001.
Kenton - Hempfling Road.
Kenton - Oak Island Road.
Jefferson 1983 - In Louisville. The unrelated but obscure KY 3081 in Kenton County was established in 1987.
Grant 2006 - Added as a new road in Williamstown in 1998 from KY 3025 at Baton Rouge Road, over KY 3025, and to US 25. Eliminated when Biz US 25 was cut off at Baton Rouge and rerouted over KY 3088.
Kenton 2018 - The ''secret'' number for Philadelphia Street in Covington from 5th to 3rd. (Ooh, a secret!)
Kenton - Part of Holly Lane in Erlanger off KY 236. This was another ''secret'' number for one of Erlanger's side streets, it shared its number with a road in Owen Couny briefly in 1995 - before that road became KY 3215, eventually leading to yet another case of a number being duplicated. But in 1997, KY 3235 was again duplicated for a road in Marshall County that became KY 3526 after 2 months.
Hancock - Skyline Trailer Court.
Hancock - Access Road #3.
Hancock - Access Road #20A.
Hancock - Access Road #4D.
Hancock - Access Road #4.
Hancock - Access Road #6.
Hancock - Accesss Road #8.
Hancock - Accesss Road #9.
Hancock - Accesss Road #10.
Hancock - Accesss Road #16.
Kenton 2018 - Mason Road in Taylor Mill from KY 16 to Reidlin Road.
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