The project is 497m long to the east of old Zhonghua street. In the direction of Zhonghua street, it starts from Shizhuang road in the north and ends at Ning'an road in the south, with a length of 1070m. The standard section width of the deck of the main bridge of Zhonghua street is 16.5m; The standard width of Heping Road interchange ramp is 8m; The section width of the north-south and South-North ramps of Zhonghua street is 8.5m, and the design speed is 40km / h. Realize the direct connection of north-south, South-North, north-east of Zhonghua street and west-north of Heping West Road. The north-south and South-North overpass bridges of Zhonghua Street are designed as two lanes, and the two turning ramps of north-east and west-north of Heping West Road are designed as one lane.