12月22日，车辆在全线贯通的张石高速上行驶。当日，全长602公里的河北张石高速公路实现全线贯通，成为河北省中西部地区唯一一条南北纵向大通道。据了解，张石高速贯通后，往来石家庄与张家口两地将无需绕行北京，缓解了京藏高速进京出京方向的拥堵局面，从石家庄到张家口的行车时间也将由原来的5个多小时缩短到现在的3个多小时。新华社发 （朱旭东 摄）     On December 22,,All vehicles in both of the ZhangShi highway driving.the,Total length of 602 kilometers of hebei ZhangShi highway realize all through,In hebei province as the Midwest only a north-south longitudinal channel.It is understood,ZhangShi after high speed through,Current shijiazhuang and both will not be round Beijing zhangjiakou,Easing the Tibetan high performers out the direction of the congestion situation,From shijiazhuang to zhangjiakou travel time will also from originally of more than five hours to shorten the now more than three hours.The xinhua news agency hair (ZhuXuDong perturbation)

12月22日，车辆在全线贯通的张石高速上行驶。新华社发 （朱旭东 摄） On December 22,,All vehicles in both of the ZhangShi highway driving.The xinhua news agency hair (ZhuXuDong perturbation)