Fig. 6

Comparison of ship traffic flow and vehicle traffic flow. (a) Statistics result of annual inflow of Tianjin Port main channel and Dagusha channel. (b) Statistics result of the vehicles passing by in 0.5Â h on the Fourth Ring Road in Beijing.

Comparison of ship traffic flow and vehicle traffic flow. (a) Statistics result of annual inflow of Tianjin Port main channel and Dagusha channel. (b) Statistics result of the vehicles passing by in 0.5Â h on the Fourth Ring Road in Beijing.