Illinois State Route 127 is a north-south highway in Central Washington County. It runs from the Washington/Clinton County Line, near Posey, to the Washington/Perry County Line, near Todds Mill. IL St Rt 127 passes through the following town in Washington County. New Minden Nashville
IL St Rt 127 is not multi-plexed in Washington County. IL St Rt 127 intersects the following highways in Washington County. Illinois State Route 177, near New Minden.