Starting point: 1) Start from the starting point in the direction of due west, drive 39m along Cangshan Road, turn left into Taian Road

2) Drive 1.6km along Taian Road, turn right ahead into Nanjian Road

3) Drive 67m along Nanjian Road, and turn left ahead

. Turn right slightly and get on the ramp

2. Drive along the ramp for /G6/, turn right ahead and enter Hangrui Expressway

3. Drive along Hangrui Expressway for 36.6km, and turn right slightly and get on the ramp

4. Drive along the ramp for 43m, and after crossing Mingbo overpass for about 29m, go straight into the Second Ring Road West

5. Drive along the Second Ring Road West. Turn right slightly and enter Xiaotun overpass

6. Drive along Xiaotun overpass, after crossing Xiaotun overpass for about 34m, go straight into Erhuan North Road

7. Drive along Erhuan North Road for 6.8km, cross Jinxing overpass, turn left slightly and enter Xiaozhuang overpass

8. Drive along Xiaozhuang overpass for 63m. In the direction of Zhaotong/Huize/Dongchuan/Xundian, turn right slightly and get on the ramp

1. Drive along the ramp for 1.1km, and go straight to the Chongqing-Kunming Expressway

11. Drive along the Chongqing-Kunming Expressway for 49.km, then turn right slightly at Gong Yamadeguchi and get on the ramp

12. Drive along the ramp for 33m, and turn right and enter the Lanmo Line

12. Turn right rear

2) drive 58m, turn left front

3) drive 1.9km, turn left

4) drive 65m, turn left

5) drive 5m, and reach the finish line (on the left side of the road).