2013年12月6日下午,交通运输部部长杨传堂在北京乘坐地铁1号线和4号线,查看西单换乘站和北京南站交通枢纽,乘坐公共交通返回,检查轨道交通运营安全和服务保障。16时30分许,杨传堂来到地铁1号线东单站,在自动售票机上花两元钱买了一张车票,然后排队通过安检和验票闸门进入站台候车。因为还没到客流高峰时间,杨传堂顺利地上了开往西单方向的列车。西单站是地铁1号线和4号线的换乘站,杨传 On the afternoon of December 6, 2013, Minister of Transportation Yang Chuantang took the Subway Line 1 and Line 4 in Beijing to check the transport links of Xidan Interchange Station and Beijing South Railway Station, take the public transport to return to inspect the operational safety and service guarantee of rail transit . 16:30 Xu Yang Chuan Tang came to Metro Line 1 Dongdan station, two dollars in the ticket vending machine to buy a ticket, and then line up through the security and ticket gates into the station waiting. Because it has not yet reached the peak passenger flow, Yang Chuantang successfully bound for Xidan direction of the train. Xidan Station is a transfer station for Metro Line 1 and Line 4, Yang Chuan