+How many kilometers from the weir to Zhang Jiagang?

Driving route: the whole journey is about 83.4 kilometers

Starting point: Maojiayan

1. Start from the starting point in the south direction, drive along Yiwusan Village Road for 49 meters, and turn left into Tianzhu Road after passing through Yijin Village on the right for about 31 meters

2. Drive along Tianzhu Road for 26 meters and go straight into Y5

. Turn right into Dongping Road

5. Drive along Dongping Road for 56m, turn right into Chengbei West Road

6. Drive along Chengbei West Road for 95m, turn right slightly in the direction of S5/ Changshu/Luzhi

7. Drive along the ramp for 1.4km, and go straight into Changjia Expressway

8. Drive along Changjia Expressway for 23.3km.. Go straight into Changtai Expressway

1. Drive along Changtai Expressway for 3.5km, heading for Shanghai/Changzhou /G15/S38, turn right slightly and enter Dongbang Hub

11. Drive along Dongbang Hub for 64m, after crossing the small bridge of Dongbang Hub for about 96m, go straight into Yanjiang Expressway

12. Drive along Yanjiang Expressway for 34.6km, heading for Zhangjiagang (. Turn right slightly and enter Zhangjiagang Hub

13. Drive along Zhangjiagang Hub for 88m, after crossing No.1 Bridge of Xinxihe River for about 1m, go straight and enter Tongxi Expressway

14. Drive along Tongxi Expressway for 2.8km, at the exit of Suyuzhang Highway/Zhangjiagang (East)/Tangqiao, turn right slightly and get on the ramp

15. Drive along the ramp for 1.5km., Turn right ahead and enter the auxiliary road of Suyuzhang Highway

16. Drive along the auxiliary road of Suyuzhang Highway for 1.7 kilometers, cross Caoshatang Bridge, turn left slightly and enter Suyuzhang Highway

17. Drive along Suyuzhang Highway for 1.4 kilometers, turn right and enter East Second Ring Road

18. Drive along East Second Ring Road for 2.9 kilometers, turn left and enter Renmin East Road

19.