Kentucky Route 121
{{Short description|State highway in Kentucky, United States}}
{{Use mdy dates|date=January 2025}}
{{Infobox road
|state=KY
|type=KY
|route=121
|map={{maplink|frame=yes|plain=yes|frame-align=center|frame-width=290|frame-height=240|type=line|raw={{Wikipedia:Map data/Wikipedia KML/Kentucky Route 121}}}}
|map_custom=yes
|map_notes=KY 121 highlighted in red
|length_mi=69.383
|length_ref={{cite web|url=http://apps.transportation.ky.gov/DMI_Reports/Official_MP_RL_params.aspx|title=Official DMI Route Log|publisher=Kentucky Transportation Cabinet |accessdate= August 19, 2018}}
|direction_a=South
|terminus_a={{Jct|state=TN|Sec|119}} at the Kentucky–Tennessee state line
|junction={{Jct|state=KY|US|641}} in Murray
{{Jct|state=KY|KY|80}} near Mayfield
{{Jct|state=KY|US|45}} in Mayfield
{{Jct|state=KY|I|69|US-Byp|45|dab2=Mayfield}} in Mayfield
{{Jct|state=KY|US|62}} near Bardwell
|direction_b=North
|terminus_b={{Jct|state=KY|US|51|US|62}} in Wickliffe
|counties=Calloway, Graves, Carlisle, Ballard
|previous_type=KY
|previous_route=120
|next_type=KY
|next_route=122
}}
Kentucky Route 121 (KY 121) is a {{convert|69.383|mi|km|adj=mid|-long}} state highway in Kentucky. It runs from State Route 119 (SR 119) at the Kentucky–Tennessee state line southeast of New Concord to U.S. Route 51 (US 51) and US 62 in Wickliffe via Murray and Mayfield.
{{Clear}}
Major intersections
{{KYinttop|length_ref=}}
{{KYint
|county=Calloway
|cspan=17
|location=none
|mile=0.000
|road={{Jct|state=TN|Sec|119|dir1=south}}
|notes=Southern terminus; Tennessee state line
}}
{{KYint
|location=New Concord
|mile=4.749
|road={{Jct|state=KY|KY|444|dir1=north|name1=Dunbar Road}}
|notes=Southern terminus of KY 444
}}
{{KYint
|location=none
|mile=5.698
|road={{Jct|state=KY|KY|280|dir1=west|name1=Speaker Trail}}
|notes=Eastern terminus of KY 280
}}
{{KYint
|location=none
|mile=10.510
|road={{Jct|state=KY|KY|893|dir1=west|name1=New Providence Road}}
|notes=Eastern terminus of KY 893
}}
{{KYint
|location=none
|mile=13.142
|road={{Jct|state=KY|KY|1497|dir1=south|name1=Murray-Paris Road}}
|notes=Northern terminus of KY 1497
}}
{{KYint
|type=concur
|location=Murray
|lspan=6
|mile=14.075
|road={{Jct|state=KY|US-Bus|641|dir1=south|dab1=Murray|name1=Glendale Road}}
|notes=South end of US 641 Bus.
}}
{{KYint
|mile=15.127
|road={{Jct|state=KY|KY|94|name1=Main Street}}
|notes=
}}
{{KYint
|mile=15.604
|road={{Jct|state=KY|KY|2075|KY|2594|dir1=south|dir2=north|name1=Chestnut Street|name2=North 4th Street}}
|notes=Southern terminus of KY 2075; northern terminus of KY 2594
}}
{{KYint
|type=concur
|mile=16.322
|road={{Jct|state=KY|US|641|KY|1327|dir1=south|dir2=west|name1=North 12th Street|name2=Chestnut Street}}
|notes=North end of US 641 Bus. overlap; south end of US 641 overlap; northern terminus of US 641 Bus.; eastern terminus of KY 1327
}}
{{KYint
|type=concur
|mile=16.812
|road={{Jct|state=KY|US|641|dir1=north|name1=North 12th Street}}
|notes=North end of US 641 overlap
}}
{{KYint
|mile=17.700
|road={{Jct|state=KY|KY|774|dir1=east|name1=Coldwater Road|road|Lowes Drive}}
|notes=Western terminus of KY 774
}}
{{KYint
|location=none
|mile=18.929
|road={{Jct|state=KY|KY|1660|dir1=south|name1=Robertson Road}}
|notes=Northern terminus of KY 1660
}}
{{KYint
|location=none
|mile=20.592
|road={{Jct|state=KY|KY|783|dir1=north|name1=Airport Road}}
|notes=Southern terminus of KY 783
}}
{{KYint
|type=concur
|location=none
|mile=21.602
|road={{Jct|state=KY|KY|299|dir1=north|name1=Kirksey Road}}
|notes=South end of KY 299 overlap
}}
{{KYint
|type=concur
|location=none
|mile=22.117
|road={{Jct|state=KY|KY|299|dir1=south|name1=Butterworth Road}}
|notes=North end of KY 299 overlap
}}
{{KYint
|type=concur
|location=none
|mile=24.397
|road={{Jct|state=KY|KY|1836|dir1=south|name1=Coopertown Road}}
|notes=South end of KY 1836 overlap
}}
{{KYint
|type=concur
|location=none
|mile=25.171
|road={{Jct|state=KY|KY|1836|dir1=north|name1=Hammond Road}}
|notes=North end of KY 1836 overlap
}}
{{KYint
|county1=Calloway
|county2=Graves
|location=none
|mile=26.893
|road={{Jct|state=KY|KY|893|KY|1124|dir1=east|dir2=west|name1=County Line Road}}
|notes=Western terminus of KY 893; eastern terminus of KY 1124
}}
{{KYint
|type=concur
|county=Graves
|cspan=18
|location=none
|mile=28.497
|road={{Jct|state=KY|KY|564|dir1=north}}
|notes=South end of KY 564 overlap
}}
{{KYint
|type=concur
|location=Farmington
|mile=29.109
|road={{Jct|state=KY|KY|564|dir1=south|road|Old KY 3122}}
|notes=North end of KY 564 overlap
}}
{{KYint
|location=none
|mile=30.895
|road={{Jct|state=KY|KY|1890|dir1=west}}
|notes=Eastern terminus of KY 1890
}}
{{KYint
|type=concur
|location=none
|mile=32.392
|road={{Jct|state=KY|KY|80|dir1=east}}
|notes=South end of KY 80 overlap
}}
{{KYint
|location=none
|mile=27.518
|road={{Jct|state=KY|KY|1124|dir1=east}}
|notes=Western terminus of KY 1124
}}
{{KYint
|location=none
|mile=28.541
|road={{Jct|state=KY|KY|940|dir1=north|name1=Jeff Davis Road|road|Jeff Davis Road}}
|notes=Southern terminus of KY 940
}}
{{KYint
|location=none
|mile=29.096
|road={{Jct|state=KY|KY|2205|dir1=north}}
|notes=Southern terminus of KY 2205
}}
{{KYint
|type=concur
|location=none
|mile=35.628
|road={{Jct|state=KY|KY|80|KY-Bus|121|KY|97|dab2=Mayfield|dir1=west|dir2=north|dir3=south}}
|notes=North end of KY 80 overlap; southern terminus of KY 121 Bus.; northern terminus of KY 97
}}
{{KYint
|location=none
|mile=37.105
|road={{Jct|state=KY|KY|464|name1=Backusburg Road}}
|notes=
}}
{{KYint
|location=none
|mile=37.745
|road={{Jct|state=KY|KY|58|name1=East Broadway Street}}
|notes=
}}
{{KYint
|location=Mayfield
|lspan=2
|mile=39.067
|road={{Jct|state=KY|US|45|name1=Paducah Road / KY 121 Bus. south}}
|notes=Northern terminus of KY 121 Bus.
}}
{{KYint
|mile=40.205
|road={{Jct|state=KY|I|69|US-Byp|45|dab2=Mayfield|city1=Benton|city2=Fulton}}
|notes=I-69/US 45 Byp. exit 24
}}
{{KYint
|location=none
|mile=40.971
|road={{Jct|state=KY|KY|1830|dir1=east|name1=Jimtown Road|road|Jimtown Road}}
|notes=Western terminus of KY 1830
}}
{{KYint
|location=none
|mile=42.919
|road={{Jct|state=KY|KY|1276|dir1=east|name1=Key Bottom Road|road|New Hope Church Road}}
|notes=Western terminus of KY 1276
}}
{{KYint
|location=none
|mile=43.808
|road={{Jct|state=KY|KY|440|dir1=north}}
|notes=Southern terminus of KY 440
}}
{{KYint
|location=none
|mile=44.172
|road={{Jct|state=KY|KY|945|dir1=north|name1=New Hope Church Road}}
|notes=Southern terminus of KY 945
}}
{{KYint
|location=none
|mile=47.481
|road={{Jct|state=KY|KY|1213}}
|notes=
}}
{{KYint
|location=none
|mile=49.147
|road={{Jct|state=KY|KY|339}}
|notes=
}}
{{KYint
|type=concur
|county=Carlisle
|cspan=5
|location=none
|mile=52.580
|road={{Jct|state=KY|KY|408|dir1=east}}
|notes=South end of KY 408 overlap
}}
{{KYint
|type=concur
|location=none
|mile=52.620
|road={{Jct|state=KY|KY|408|dir1=west}}
|notes=North end of KY 408 overlap
}}
{{KYint
|location=none
|mile=54.248
|road={{Jct|state=KY|KY|307}}
|notes=
}}
{{KYint
|location=none
|mile=58.268
|road={{Jct|state=KY|US|62}}
|notes=
}}
{{KYint
|location=none
|mile=59.750
|road={{Jct|state=KY|KY|1628|dir1=east|road|Magee Springs Road}}
|notes=Western terminus of KY 1628
}}
{{KYint
|county=Ballard
|cspan=4
|location=none
|mile=62.159
|road={{Jct|state=KY|KY|802|dir1=north|name1=New York Road}}
|notes=Southern terminus of KY 802
}}
{{KYint
|location=Wickliffe
|lspan=3
|mile=69.050
|road={{Jct|state=KY|KY|286|dir1=east|name1=Phillips Drive}}
|notes=Western terminus of KY 286
}}
{{KYint
|mile=69.249
|road={{Jct|state=KY|KY|1290|dir1=east|name1=North Sixth Street|name2=South Sixth Street}}
|notes=Western terminus of KY 1290
}}
{{KYint
|mile=69.383
|road={{Jct|state=KY|US|51|US|62|name2=Fourth Street|road|Court Street}}
|notes=Northern terminus; continues as Court Street beyond US 51 / US 62
}}
{{jctbtm|keys=concur}}
Mayfield business loop
{{Infobox road small
|state=KY
|type=KY-Bus
|route=121
|location=Mayfield
|formed=
|length_mi=3.087
}}
Kentucky Route 121 Business is a {{convert|3.087|mi|km|adj=mid|-long}} business route of Kentucky Route 121. It runs from Kentucky Route 121, Kentucky Route 80, and Kentucky Route 97 southeast of Mayfield to Kentucky Route 121 and U.S. Route 45 north of Mayfield. It runs through downtown, while KY 121 uses a bypass to the east and north. It runs concurrent with U.S. Route 45 for its final two miles.
=Major intersections=
{{KYinttop|county=Graves|length_ref=}}
{{KYint
|type=concur
|location=none
|mile=0.000
|road={{Jct|state=KY|KY|80|KY|97|KY|121|dir1=east|dir2=south}}
|notes=Southern terminus; south end of KY 80 overlap; northern terminus of KY 97
}}
{{KYint
|type=concur
|location=none
|mile=0.175
|road={{Jct|state=KY|KY|80|dir1=west}}
|notes=North end of KY 80 overlap
}}
{{KYint
|location=Mayfield
|lspan=5
|mile=1.209
|road={{Jct|state=KY|KY|303|dir1=south|name1=Cuba Road|road|South Third Street}}
|notes=Northern terminus of KY 303
}}
{{KYint
|mile=1.723
|road={{Jct|state=KY|KY|464|dir1=east|name1=Backusburg Road}}
|notes=Western terminus of KY 464
}}
{{KYint
|type=concur
|mile=2.045
|road={{Jct|state=KY|KY|58|dir1=east|name1=East Broadway Street|road|North Sixth Street}}
|notes=South end of KY 58 overlap
}}
{{KYint
|type=concur
|mile=2.109
|road={{Jct|state=KY|US|45|KY|58|dir1=south|dir2=west|name2=South Eighth Street}}
|notes=North end of KY 58 overlap; south end of US 45 overlap
}}
{{KYint
|type=concur
|mile=3.087
|road={{Jct|state=KY|US|45|KY|121|dir1=north|name1=Paducah Road}}
|notes=Northern terminus; north end of US 45 overlap
}}
{{jctbtm|keys=concur}}
References
{{reflist}}
{{Attached KML|display=inline,title}}
Category:Transportation in Calloway County, Kentucky
Category:Transportation in Graves County, Kentucky
Category:Transportation in Carlisle County, Kentucky
Category:Transportation in Ballard County, Kentucky
{{Kentucky-road-stub}}