 The route heads to the northwest as Gunpowder Road, running along the east bank of the south fork of Gunpowder Creek to the community of Sugartit, where KY 237 intersects US 42/US 127.The road continues to the northwest as Pleasant Valley Road until it reaches Camp Ernst Road in Burlington.KY 237 turns north, running along Camp Ernst Road and passing through residential areas prior to intersecting KY 18 and becoming North Bend Road, the name KY 237 retains to its northern terminus.