US Routes 60 and 62 cut through the very southern tip of Illinois, from a bridge over the Mississippi River, immediately onto a bridge over the Ohio River into Kentucky. US Routes 60 and 62 head out of Missouri concurrently, pick up US Route 51 after its long journey through Illinois, and bring US Route 51 across the Ohio River into Kentucky. These two even-numbered routes don't even spend a mile within the borders of the State of Illinois, right where the Ohio River flows into the Mississippi River near Cairo...