The freeway connects Nonsan on the Nonsan-Cheonan Expressway and Honam Expressway Branch Line to Gwangju and Suncheon on the Namhae Expressway .
The freeway connects Suncheon on the Nonsan-Cheonan Expressway and Honam Expressway Branch Line to Gwangju and Nonsan on the Namhae Expressway .