Ohio State Route 343 is an east-west highway across Greene and Clark Counties. It runs from U.S. Rt. 68, in Yellow Springs, to Ohio State Route 72, at Clifton. This highway briefly passes through Clark County, but does not pass through any towns or cross any highways. OH St Rt 343 passes through the following towns in Greene-Clark Counties. Yellow Springs Clifton OH St Rt 343 is not multi-plexed in Greene-Clark Counties. OH St Rt 343 intersects the following highways in Greene-Clark Counties. U.S. Rt. 68, at Yellow Springs. Ohio State Route 370, at Yellow Springs. Ohio State Route 72, at Clifton.
A junction marker on NB OH St Rt 370. Photo from: Paul Dienhart A guide marker for OH St Rt 343. Photo from: Paul Dienhart A guide marker for OH St Rt 343. Photo from: Paul Dienhart
