Construction of a city engineering construction Bidding Documents
Tangxiachong Interchange Project in a district is located in Songgang Subdistrict Office in a district, at the border of a certain district and Dongguan, at the intersection of a national highway, a certain avenue, and Guangtian Road. Tangxiachong Interchange, as the connection node of the three main channels, has a direct bearing on the operation of the entire transportation system in a district. Tangxiachong Interchange is a three storey incomplete interchange, which is composed of an avenue overpass bridge, six ramp bridges A1, A2, B, E, F and G, and two ramps C and I. Among them, a national road uses the old road to cross under; The whole upper span of an avenue is located on the third floor, and ramps A and E are located on the second floor.