Interstate 75 in Kentucky

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Interstate 75
Main route of the Interstate Highway System
Maintained by Kentucky DOT

Length: 191.78 mi[1] (308.64 km)
Formed: 1960's[2]
South end: I-75 at Tennessee state line
Major
junctions: I-64 in Lexington
I-71 in Walton
I-275 in Erlanger
North end: I-75 at Ohio state line
Numbered highways in Kentucky


Interstates - U.S. Highways - State Highways


In the U.S. state of Kentucky, Interstate 75 runs from near Williamsburg to Covington by way of Lexington. Interstate 75 enters the Cumberland Plateau region from Tennessee, then descends into the Bluegrass region through the Pottsville Escarpment before crossing the Ohio River into Ohio.

Interstate 75 follows along the U.S. Route 25 corridor for the entire length of Kentucky.

Major cities
Bolded cities are officially-designated control cities for signs
Knoxville, Tennessee
Williamsburg
Corbin
London
Richmond
Lexington
Georgetown
Williamstown
Florence
Erlanger
Covington
Newport
Cincinnati, Ohio


Lane configurations
Brent Spence Bridge over Ohio River (4 lanes each way, SB lanes above NB lanes)
From 5th St. exit in Covington (192) to I-275 (185) (4 SB - extra climbing lane, 3 NB)
Through I-275 interchange (3 lanes each way)
From I-275 (exit 185) to I-71 split (exit 173) (4 lanes each way)
From I-71 split (exit 173) to milepost 156 near Dry Ridge (3 lanes each way)
From milepost 156 to milepost 139 near Corinth (2 lanes each way, currently in the process of being widened to 3 lanes each way)
From milepost 139 to milepost 70 south of Berea (3 lanes each way)
From milepost 70 to milepost 56 (2 lanes each way)
From milepost 52 to milepost 56 (4 NB — extra climbing lane, 3 SB)
From milepost 52 to milepost 41 north of London (2 lanes each way, currently in the process of being widened to 3 lanes each way)
From milepost 41 to milepost 38 bypassing London (3 through lanes each way, NB auxiliary lane for KY 80 exit and SB auxiliary lane for KY 192 exit)
From milepost 38 to milepost 33 north of Corbin (3 lanes each way)
From milepost 33 to Tennessee line (2 lanes each way)