U.S. Route 421 in Kentucky

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U.S. Route 421

Map
US 421 highlighted in red
Route information
Maintained by KYTC
Length250.536 mi[1] (403.199 km)
Major junctions
South end US 421 at the Virginia state line near Pennington Gap, Virginia
Major intersections
North end US 421 at the Indiana state line near Madison
Location
CountryUnited States
StateKentucky
CountiesHarlan, Leslie, Clay, Jackson, Rockcastle, Madison, Fayette, Scott, Woodford, Franklin, Shelby, Henry, Trimble
Highway system
← KY 420→ KY 422

U.S. Route 421 (US 421) in the U.S. state of Kentucky is a 250.536-mile-long (403.199 km) north–south United States highway that traverses twelve counties in the central and eastern parts of the state. It travels in a southeast-to-northwest path from the Virginia state line near Pennington Gap to the Indiana state line, on the Ohio River at Milton, Kentucky and Madison, Indiana.[2]

Route description

Virginia state line to Manchester

US 421 enters Harlan County from Lee County, Virginia, and meets US 119 near Harlan. At Hyden, US 421 turns westward towards Clay County, and crosses the Hal Rogers Parkway via an overpass without access near Manchester.[3]

Manchester to Richmond

At Manchester, US 421 turns northwestward towards Jackson County, through McKee. It traverses the far northeastern corner of Rockcastle County before entering Madison County where it joins U.S. 25 south of Richmond near the Blue Grass Army Depot. US 25 and US 421 runs concurrently through Richmond, and all the way to the I-75 junction.[4]

Metro Lexington to Frankfort

US 25/421 also runs concurrently with I-75 between Exits 97 and 99. After Exit 99, the two U.S. routes continue to run concurrently until downtown Lexington just after crossing US 27/60/68. While US 25 makes a right turn onto Georgetown Road, US 421 continues straight northwestward, as Leestown Pike, towards Midway and Frankfort.[5]

Frankfort to Ohio River

In Frankfort, US 421 has concurrencies with US 60 on the east side of town, and US 127 on the north side. US 421 continues northwestward into Henry and far northern Shelby counties before crossing the Exit 34 exit of I-71. US 42 in Bedford is the last major intersection in Kentucky before US 421 crosses the Ohio River from Trimble County into Jefferson County, Indiana.[6]

History

Kentucky Route 50

LocationFrankfort-Lexington, Kentucky
Length20.5 mi (33.0 km)
Existed1929–1952?

US 421 did not have any presence in Kentucky until it was extended into Kentucky and Indiana at one point between 1939 and 1957, probably in the late 1940s or early 1950s.[7] When US 421 was designated into Kentucky, it was routed onto the following existing routes:

  • KY 66 from the Virginia state line to Harlan,[8]
  • KY 257 from Harlan to Hyden,
  • KY 80 from Hyden to Manchester,
  • KY 21 from Manchester to Big Hill,
  • KY 169 from Big Hill to Richmond (including US 25 concurrency),
  • KY 50 from downtown Lexington to Frankfort,[8] and
  • KY 37 from Frankfort to the Indiana state line at Milton.[9]

Current statuses for original assignments of pre-existing routes

  • KY 37 now runs from Gravel Switch to Junction City to Danville, in Marion and Boyle Counties in Central Kentucky.
  • The remainders of KY 21, KY 169, and KY 257 still retained their original alignments off the current US 421.
  • KY 50 no longer exists in the state route system.
  • KY 66 is now assigned to a road in Bell, western Leslie and eastern Clay Counties in southeast Kentucky from Middlesboro to US 421/KY 80 near Big Creek

Major Intersections

CountyLocationmi[1]kmDestinationsNotes
Harlan​0.0000.000
 US 421 south – Pennington Gap		Continuation into Virginia
​1.3512.174
 KY 3462 north (Garrett Hollow Road)		Southern terminus of KY 3462
Cranks2.7834.479
 KY 568 north		Southern terminus of KY 568
​3.7956.107
 KY 3001 north (Old US 421)		Southern terminus of KY 3001
​4.0346.492
 KY 1138 west		Eastern terminus of KY 1138
​6.41010.316
 KY 987 west – Cawood, Martins Fork Lake, Pennington Gap		Eastern terminus of KY 987
​8.00812.888
 To KY 1556		Connector road
​10.78417.355
 KY 3001 south (Old US 421)		Northern terminus of KY 3001
​10.97417.661
 KY 2074 north		Southern terminus of KY 2074
​12.90120.762
 KY 2428 south		Northern terminus of KY 2428
Harlan14.96624.085
 KY 72 west		Southern end of KY 72 concurrency
15.12724.345

 KY 72 east (South Main Street) / KY 3459 north		Northern end of KY 72 concurrency; southern terminus of KY 3459
15.70425.273
 KY 3459 south		Northern terminus of KY 3459
15.96725.696
 KY 38 east		Western terminus of KY 38
​16.76126.974
 KY 840 west		Eastern terminus of KY 840
​17.00327.364 KY 72
​17.10727.531
 US 119 south – Pineville		Southern end of US 119 concurrency
​17.84628.720
 US 119 north – Cumberland, Kingdom Come State Park, Kentucky Coal Mining Museum		Northern end of US 119 concurrency
​17.93628.865 KY 413
​21.80035.084
 KY 1679 east (Little Shepherd Trail)		Western terminus of KY 1679
Bledsoe23.89338.452
 KY 221 west		Southern end of KY 221 concurrency
​24.94240.140
 KY 221 east		Northern end of KY 221 concurrency
Leslie​30.54349.154
 KY 2058 west		Eastern terminus of KY 2058
Asher38.35261.722 KY 1780Northern terminus of KY 1780
Hoskinston41.84867.348
 KY 2009 south		Northern terminus of KY 2009
Stinnett42.82768.923
 KY 406 south		Northern terminus of KY 406
Hyden49.11379.040
 KY 80 east – Hazard		Southern end of KY 80 concurrency
49.61979.854
 KY 257 north (Dryhill Road)		Southern terminus of KY 257
50.14080.693
 KY 118 west		Eastern terminus of KY 118
Bobs Fork60.74797.763
 KY 1482 north (Bullskin Road)		Southern terminus of KY 1482
​62.375100.383
 KY 3428 north (Ulysses Creek Road)		Southern terminus of KY 3428
Clay​64.752104.208

 KY 66 north to Hal Rogers Parkway – Oneida		Southern end of KY 66 concurrency
​65.527105.455
 KY 66 south – Peabody, Beverly		Northern end of KY 66 concurrency
​73.337118.024

 KY 2443 west to KY 1524		Eastern terminus of KY 2443
​73.525118.327
 KY 1524 east		Western terminus of KY 1524
​76.619123.306
 KY 149 east		Western terminus of KY 149
Garrard78.234125.905
 KY 1999 east (Paces Creek Road)		Western terminus of KY 1999
​78.654126.581
 KY 11 south		Southern end of KY 11 concurrency
Manchester79.842128.493


 KY 80 west / KY 2076 north (Muddy Gap Road) to Hal Rogers Parkway		Southern end of KY 80 concurrency; southern terminus of KY 2076; 80 and the parkway to the south, 2076 to the west
80.896130.189
 KY 2438 east (2nd Street)		Western terminus of KY 2438
80.947130.272
 KY 2440 north (Main Street)		Southern terminus of KY 2440
81.043130.426
 KY 687 west (Town Branch Road)		Eastern terminus of KY 687
81.380130.968
 KY 2442 west (Maple Street)		Eastern terminus of KY 2442
81.453131.086
 KY 2440 south (Cool Springs Road)		Northern terminus of KY 2440
81.507131.173
 KY 3472 east (Memorial Drive)		Western terminus of KY 3472
81.774131.602
 KY 638 west		Eastern terminus of KY 638
​83.140133.801
 KY 3560 west		Eastern terminus of KY 3560
​83.741134.768
 KY 3473 west (Charlie Sizemore Road)		Eastern terminus of KY 3473
​85.779138.048
 KY 3477 east (Jacks Branch Road)		Western terminus of KY 3477
​86.943139.921
 KY 11 north – Oneida, Oneida Baptist Institute		Northern end of KY 11 concurrency
​87.333140.549
 KY 472 west (Fogertown Road)		Eastern terminus of KY 472
​91.420147.126
 KY 1350 north		Southern terminus of KY 1350
​92.703149.191
 KY 3478 west (Robinson Creek Road)		Eastern terminus of KY 3478
​94.359151.856
 KY 577 west		Southern end of KY 577 concurrency
​95.134153.103
 KY 577 east		Northern end of KY 577 concurrency
Jackson​97.305156.597
 KY 3443 west		Eastern terminus of KY 3443
​99.265159.752
 KY 30 west		Southern end of KY 30 concurrency
​99.417159.996
 KY 1431 east		Western terminus of KY 1431
Tyner99.550160.210
 KY 3630 west		Eastern terminus of KY 3630
​100.364161.520
 KY 30 east – Booneville		Northern end of KY 30 concurrency
​103.251166.166
 KY 1071 east		Western terminus of KY 1071
​105.717170.135
 KY 3445 east (Soaptown Road)		Western terminus of KY 3445
Deer View106.542171.463
 KY 587 north		Southern terminus of KY 587
McKee109.951176.949
 KY 290 south (Annville Road)		Southern terminus of KY 290
110.001177.029
 KY 89 north (2nd Street)		Southern end of KY 89 concurrency
110.548177.910
 KY 89 south		Northern end of KY 89 concurrency
​117.303188.781
 KY 3446 east		Western terminus of KY 3446
​117.878189.706
 KY 2004 north		Southern terminus of KY 2004
​121.950196.260
 KY 1955 south		Northern terminus of KY 1955
​124.669200.635
 KY 3447 east		Western terminus of KY 3447
Morrill125.260201.586
 KY 1912 south (Climax Road)		Northern terminus of KY 1912
RockcastleNo major intersections
Madison​128.085206.133
 KY 21 east (Owsley Creek Road)		Southern end of KY 21 concurrency
Big Hill128.250206.398
 KY 21 west (Big Hill Road)		Northern end of KY 21 concurrency
​129.480208.378
 KY 594 east (Red Lick Road)		Western terminus of KY 594
Bobtown133.205214.373
 KY 1016 south		Northern terminus of KY 1016
​135.058217.355
 KY 3376 east (Dreyfus Road)		Southern end of KY 3376 concurrency
​135.549218.145
 KY 3376 west (Old Kingston-Berea Road)		Northern end of KY 3376 concurrency
​136.162219.131
 KY 499 west (Crooksville Road)		Southern end of KY 499 concurrency
​136.196219.186
 KY 499 east (Crooksville Road)		Northern end of KY 499 concurrency
​138.579223.021
 US 25 south (Berea Road)		Southern end of US 25 concurrency
​139.580224.632
 KY 2872 west (Duncannon Lane)		Eastern terminus of KY 2872
Richmond141.994228.517




 KY 876 west (Eastern Bypass) / US 25 Bus. north / US 421 Bus. north (Big Hill Avenue) – Eastern Kentucky University		Eastern terminus of KY 876; southern terminus of US 25 Bus. and US 421 Bus.; EKU to the west via KY 876
142.751229.735 KY 52 (Irvine Road) – Irvine, Ravenna
145.250233.757

 KY 1986 north (Trooper Cunningham Memorial Highway) to KY 388		Southern terminus of KY 1986
​146.426235.650



 US 25 Bus. south / US 421 Bus. south (Lexington Road)		Northern terminus of US 25 business route; unsigned KY 2876 to the north
Richmond146.730–
146.939		236.139–
236.475		 I-75 – Lexington, KnoxvilleI-75 exit 90
147.516237.404
 KY 1156 north (Jacks Creek Road)		Southern terminus of KY 1156
​149.009239.807
 KY 2878 north (Colonel Road)		Southern terminus of KY 2878
​151.925244.500

 KY 627 east (Boonesborough Road) / KY 3005 south (White Hall Shrine Road)		Western terminus of KY 627; northern terminus of KY 3005
​154.348248.399
 KY 2328 north (Lexington Road)		Southern terminus of KY 2328
​154.547248.719
 I-75 south – Knoxville		I-75 Exit 97
​154.691–
154.713		248.951–
248.986

 I-75 north / KY 2884 east (Igo Road) – Lexington		Southern end of I 75 concurrency; KY 2884 straight ahead
FayetteLexington155.828250.781
 KY 2328 / I-75 south		Exit from I-75 south; northern terminus of KY 2328
155.028249.493
 I-75 north		Northern end of I-75 concurrency; I-75 exit 99
158.573255.199
 KY 1973 north (South Cleveland Road)		Southern terminus of KY 1973
158.820255.596
 KY 1975 north (Jacks Creek Pike)		Southern terminus of KY 1975
159.336256.426
 KY 418 east (Athens-Booneburg Road)		Western terminus of KY 418
165.762266.768Man o' War Boulevard
166.763–
166.864		268.379–
268.542		 New Circle Road (KY 4)Interchange. KY 4 exit 15
169.461272.721
 US 60 east		Southern end of US 60 concurrency; begin one-way split of east/west lanes
170.197273.906
 US 27 / US 60 west / US 68 (South Broadway)		North end of US 60 concurrency; 27 and 68 both ways, 60 continues to the south
170.226273.952

 US 25 south / US 421 south (West Vine Street)		North end of one-way split
170.660274.651
 US 25 north / KY 922 (Newtown Pike)		North end of US 25 concurrency; 25 continues to the north, 922 both ways
172.380–
172.524		277.419–
277.650		 New Circle Road (KY 4)Interchange; KY 4 exit 7
172.956278.346
 KY 1978 north (Greendale Road)		Southern terminus of KY 1978
173.541279.287
 Citation Boulevard (KY 1878 west)		Eastern terminus of KY 1878
176.371283.842
 KY 1977 east (Yarnallton Road)		Western terminus of KY 1977
Scott​179.580289.006
 US 62 east (Paynes Depot Road)		Southern end of US 62 concurrency
WoodfordMidway180.512290.506

 KY 341 north (Georgetown Road) to I-64		Southern terminus of KY 341
182.747294.103
 US 62 west (Midway Road)		Northern end of US 62 concurrency
​186.122299.534 KY 1685 (Woodlake Road)
FranklinFrankfort190.750306.982


 KY 676 west (East-West Connector) / US 60 east (Versailles Road) to I-64 – Versailles		Interchange; KY 676 straight ahead, ramp to US 60; eastern terminus of KY 676; southern end of US 60 concurrency
192.202309.319

 US 60 west / US 460 east (East Main Street)		Northern end of US 60 concurrency; western terminus of US 460
193.653311.654

 US 127 north / KY 2261 south (Holmes Street) – Owenton, Frankfort		Southern end of US 127 concurrency; interchange
195.448314.543
 KY 420 south (Clinton Street)		Northern terminus of KY 420
195.592–
195.736		314.775–
315.007		Robert C. Yount Memorial Bridges over the Kentucky River (one bridge for each direction of travel)
195.856315.200

 US 127 south (West Frankfort Connector) / KY 1211 south (Taylor Avenue)		Northern end of US 127 concurrency; northern terminus of KY 1211
​198.083318.784
 KY 1570 north (Saint Johns Road)		Southern terminus of KY 1570
​200.290322.336
 KY 1665 south (Bark Branch Road)		Northern terminus of KY 1665
​202.465325.836 KY 12 (Dry Ridge Road/Flat Creek Road)
​208.280335.194
 KY 561 north (Gest Road)		Southern terminus of KY 561
Henry​213.652343.840
 KY 1922 south (Cedarmore Road) – Jacksonville		Northern terminus of KY 1922
Shelby​215.900347.457
 KY 43 south (Cropper Road) – Cropper		Northern terminus of KY 43
HenryPleasureville217.863350.617
 KY 22 north (Bethlehem Road) – Bethlehem		Southern end of KY 22 concurrency
217.878350.641
 KY 241 south (Main Street) – Shelbyville		Northern terminus of KY 241
​220.435354.756

 KY 3222 north (Point Pleasant Road) / KY 22 south (Elm Street)		Northern end of KY 22 concurrency; southern terminus of KY 3222
​223.267359.313
 KY 55 south (Eminence Road) – Eminence		Southern end of KY 55 concurrency
New Castle224.611361.476

 KY 573 west / KY 146 east (Cross Main Street)		Eastern terminus of KY 573; western terminus of KY 146
​225.110362.279
 KY 202 north (Drennon Road)		Southern terminus of KY 202
​226.871365.113
 KY 193 north (Port Royal Road)		Southern terminus of KY 193
​231.478372.528
 KY 574 east (Turners Station Road)		Western terminus of KY 574
Campbellsburg231.551372.645
 KY 55 north (Carrollton Road) – Carrollton		Northern end of KY 55 concurrency
232.538374.234
 KY 997 south (Hillsboro Road)		Northern terminus of KY 997
​234.046–
234.195		376.661–
376.900		 I-71 – Louisville, CincinnatiI-71 exit 34
​234.719377.744
 KY 1606 south (Fallen Timber Road)		Northern terminus of KY 1606
Trimble​238.188383.326
 KY 316 east		Western terminus of KY 316
Bedford241.686388.956
 US 42 west (Main Street)		Southern end of US 42 concurrency
241.857389.231
 US 42 east (Main Street)		Northern end of US 42 concurrency
242.933390.963
 KY 625 north (Mt. Pleasant Road)		Southern terminus of KY 625
​245.425394.973
 KY 2870 west (New Hope Road)		Eastern terminus of KY 2870
​246.031395.949
 KY 1226 east (Palmyra Road)		Western terminus of KY 1226
​247.820398.828
 KY 1492 east (Mt. Carmel Road)		Western terminus of KY 1492
Milton251.507404.761
 KY 625 south (Mt. Pleasant Road)		Northern terminus of KY 625
253.228407.531


 KY 36 east (Ferry Street) to I-71 north		Western terminus of KY 36
Ohio River253.933–
254.351		408.666–
409.338		Milton–Madison Bridge
JeffersonMadison0.0000.000

 US 421 north (Vaughn Street) to SR 56		Continuation into Indiana
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

==See also==*List of roads in Lexington, Kentucky

References

  1. ^ a b Commonwealth of Kentucky. "Official DMI Route Log". Retrieved October 24, 2017.
  2. ^ Kentucky Transportation Cabinet (2016). Kentucky Official Highway Map (PDF) (Map). Scale not given. Frankfort: Kentucky Transportation Cabinet. §§ B9, C9-C11, D11, E11-E13 and F13.
  3. ^ DeLorme (2010). Kentucky Atlas & Gazetteer (Map) (4th ed.). Yarmouth, ME: DeLorme. Pages 70-71 and 88.
  4. ^ DeLorme (2010). Kentucky Atlas & Gazetteer (Map) (4th ed.). Yarmouth, ME: DeLorme. Pages 52-53 and 70.
  5. ^ DeLorme (2010). Kentucky Atlas & Gazetteer (Map) (4th ed.). Yarmouth, ME: DeLorme. Pages 37-38.
  6. ^ DeLorme (2010). Kentucky Atlas & Gazetteer (Map) (4th ed.). Yarmouth, ME: DeLorme. Pages 24, 25, 36, and 37.
  7. ^ Kentucky Department of Highways (1957). Kentucky Official Highway Map (PDF) (Map). c. 1:760,320. Frankfort: Kentucky Department of Highways. §§ G1, G2, G3, H3, H4, I4, I5, J5, I6, and J6.
  8. ^ a b "H.B.'s Fun Facts About Kentucky Highways". Archived from the original August 27, 2002. Retrieved February 14, 2017.
  9. ^ Kentucky Department of State Highways (September 15, 1939). Road Map of Kentucky (PDF) (Map). c. 1:760,320. Frankfort: Kentucky Department of State Highways.

External links


U.S. Route 421
Previous state:
Virginia 		Kentucky Next state:
Indiana
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