Illinois State Route 1 is a north-south highway in Lawrence County. This runs through the center of the county. IL St Rt 1 passes through the following town in Lawrence County. Lawrenceville
IL St Rt 1 is not multi-plexed in Lawrence County. IL St Rt 1 intersects the following highways in Lawrence County. BUSN U.S. Rt. 50, at Lawrenceville.
SB IL St Rt 1 at the Crawford/Lawrence County Line. SB IL St Rt 1 near Pinkstaff. SB IL St Rt 1 near 1300N Road. SB IL St Rt 1 north of U.S. Rt. 50. NB IL St Rt 1 north of Lawrenceville. SB IL St Rt 1 at U.S. Rt. 50. A Lawrence County mile marker. A BGS on EB U.S. Rt. 50. A BGS on EB U.S. Rt. 50. A BGS on EB U.S. Rt. 50. A junction marker on EB BUSN U.S Rt. 50. SB IL St Rt 1 at BUSN U.S. Rt. 50.
