Kentucky Route 146 is an east–west state highway

State highway

State highway, state road or state route can refer to one of three related concepts, two of them related to a state or provincial government in a country that is divided into states or provinces :#A...

 in northwestern Kentucky

Kentucky

The Commonwealth of Kentucky is a state located in the East Central United States of America. As classified by the United States Census Bureau, Kentucky is a Southern state, more specifically in the East South Central region. Kentucky is one of four U.S. states constituted as a commonwealth...

.

Its major junctions include:

Louisville:
Lyndon Lane,
Whipps Mill Road,
Evergreen Road,
I-265 (exit 30) LaGrange Road,

Crestwood:
KY 362, (KY 146 carries KY 362 for 1/4 mile),
I-71 (exit 17) KY 146,

LaGrange:
KY 53,
KY 712,

Henry County:
KY 153,
KY 157,

There are no low clearances along the entirety of this route and is mostly two lane. This route is rather smartly designed as it carries traffic from Henry County to the East end of Louisville, KY. If travelling Northbound on I-71, exit 28 will route you to KY 146. New Castle is the Eastern terminus for KY 146. Its speed limit is 55 mi/h in the rural parts and 35 mi/h in the city limits.