Kentucky Secondary State Route 1560 is a short east-west highway in Central Grant County. It connects Interstate 75 to U.S. Rt. 25. KY Sec St Rt 1560 does not pass through any towns in Grant County. KY Sec St Rt 1560 is not multi-plexed in Grant County. KY Sec St Rt 1560 intersects the following highways in Grant County. Interstate 75, near Williamstown. U.S. Rt. 25, near Williamstown.