Indiana State Route 1 is a north-south highway in Northern Dearborn County. It runs from Interstate 275/U.S. Rt. 50 at Lawrenceburg, to the Dearborn/Franklin County Line, near South Gate. IN St Rt 1 passes through the following towns in Dearborn County. Greendale
Dover Saint Leon IN St Rt 1 is not multi-plexed in Dearborn County. IN St Rt 1 intersects the following highways in Dearborn County. Interstate 275, at Lawrenceburg. U.S. Rt. 50, at Lawrenceburg. Interstate 74, at Saint Leon. Indiana State Route 46, at Saint Leon.
NB IN St Rt 1 at IN St Rt 46. A set of guide markers the ramp to WB I-74. A BGS on EB I-74. A junction marker on WB U.S. Rt. 50. A guide marker on WB U.S. Rt. 50.
