On May 30, the reporter learned from Zhongjian Xintang (Tianjin) Investment and Development Co., Ltd. that as the important road traffic project in Tianjin Binhai New Area (TBNA for short), the Main body structure of bridge body and ramp across Tianjin section of the first phase of west central expressway to the south of Haihe river has been basically completed. The rest of the project is also steadily advancing and is expected to be completed next year with access conditions. The project starts from the south of Zhongjian Road in the southern part of the New City, and ends at the south end of the west ring road and the Tianjin Avenue overpass. The main line is 1.38 kilometers long. The road grade is urban expressway. The design speed of the main line is 80km/h. The main line has 8 lanes in both directions and the auxiliary lane has 6 lanes in both directions.