Which highway that has a junction at Cairo Junction is 1286 miles long?
Cairo Junction, Illinois:  Cairo Junction is located at the junction of U.S. Route 51, Illinois Route 3, and Illinois Route 37 north of Cairo. U.S. Route 51: U.S. Route 51 is a south-north United States highway that runs for 1286 mi from the western suburbs of New Orleans, Louisiana to within 100 ft of the Wisconsin–Michigan border.
U.S. Route 51