Passengers wait for train at Xizhimen Subway station in Beijing on August 19, 2008. Statistics shows that the public traffic sector has registered a passenger transport volume of 20 million persons per day since the control of vehicle use in Beijing last month.

A light rail train leaves Xizhimen Subway Station in Beijing on August 19, 2008. Statistics shows that the public traffic sector has registered a passenger transport volume of 20 million persons per day since the control of vehicle use in Beijing last month.

People get onto a train at Dongdan Subway Station in Beijing on August 19, 2008. Statistics shows that the public traffic sector has registered a passenger transport volume of 20 million persons per day since the control of vehicle use in Beijing last month.

People get off a train at Dongdan Subway Station in Beijing on August 19, 2008. Statistics shows that the public traffic sector has registered a passenger transport volume of 20 million persons per day since the control of vehicle use in Beijing last month.

People get on a double decker bus at a bus stop in Beijing on August 19, 2008. Statistics shows that the public traffic sector has registered a passenger transport volume of 20 million persons per day since the control of vehicle use in Beijing last month.

(Xinhua News Agency August 20, 2008)