The topic would like to ask "Where is Tongling Di Jiang Tunnel built"? National highway G347. According to official website of China Transportation Bureau, the river-crossing passage in Tongling Development Zone starts from G347 in the west, enters Dezhou through the river center, and reaches Cuihu No.4 Road in the development zone, with a total length of 8. 1 km. After the completion of the project, it is of positive significance to promote the integration of our city into the Yangtze River Economic Belt, improve the comprehensive three-dimensional traffic network and realize the cross-river linkage development.