Research on Relationship between Traffic Volume and GDP in Tianjin 

Xiaoyuan LIU 

School of Economics &Management, Chongqing Jiaotong University, Chongqing, 400074, CHINA 

Abstract: Relying on the superior geographical advantages and national ring Bohai Bay Economic Circle to-gether with Beijing, Tianjin and collaborative development strategy, in recent years, not only in the railways, highways, waterways but also air transport , Tianjin is showing great achievements. There is close relation-ship between Transportation and Economic Development , so it is significant to study on the relationship be-tween transport volume and GDP of Tianjin, by using gray relational analysis we come to the conclusion, that of the whole traffic volume of Tianjin, the relationship of railway freight turnover quantity and GDP is the maximum, followed by the highway freight turnover, water freight turnover. Therefore Tianjin needs to grasp the relationship between of railway freight turnover quantity and GDP to ensure the sustained and stable de-velopment of the transportation industry in Tianjin and the economy of Tianjin. 

Keywords: Freight turnover; GDP; Gray correlation degree