north–south state highway that traverses three counties in the western part of central Kentucky's Bluegrass Region.

It intersects the Bluegrass Parkway in rural northern Washington County.

From there, the highway extends into Anderson County and terminates at an intersection with US 62 in a rural area of the southwestern section of the county southeast of Taylorsville Lake.

Until the 2010-11 fiscal year, the Bluegrass Parkway interchange was KY 555's northern terminus.

[2] In the 2011-12 fiscal year, KY 555 was extended into southwestern Anderson County to end at its current northern terminus at US 62.