几辆运输煤炭的载重卡车行驶在靖边县境内的青（岛）银（川）高速公路上（8月23日摄）。地处毛乌素沙漠南缘的陕西省靖边县，“十一五”期间交通事业发展迅速，仅2007年至2009年，全县累计完成交通基础设施投资6.76亿元，改变了长期以来由于受地理条件所限的交通瓶颈制约状况。如今的靖边，已经形成了一个以县城为中心，高速公路、过境铁路为主骨架，县乡村公路为主干线，辐射全县东西南北的交通大循环。昔日的“三边”不毛之地，如今成了陕北地区的区域性交通枢纽中心，为这一地区经济社会发展插上了腾飞的“翅膀”。新华社记者 王颂 摄       A few cars transport coal truck driving on the JingBianXian within the territory of the green（island）silver（sichuan）highway（On August 23 perturbation）。Is located in the southern maowusu desert of JingBianXian of shaanxi province，“11th five-year plan”During the rapid development of transportation industry，Only 2007 to 2009，The county has been completed transportation infrastructure investment is 676 million yuan，Change for a long time because of the geographical conditions limit traffic bottleneck restriction condition。Today's JingBian，Has formed a county as the center，highway、Transit railway primarily skeleton，County rural highway is given priority to trunk，The radiation thing north and south the traffic systemic circulation。former“trilateral”Barren land，Now in shanbei region became regional traffic hub，For the region on the economic and social development of rapid development“wings”。Xinhua news agency reporters WangSong perturbation 

     大交通为靖边跨越发展构筑了强有力的支撑。一个陕北地区规模最大的能源化工综合产业园区正在荒漠中崛起（8月21日摄）。新华社记者 王颂 摄       Big traffic for JingBian spanning development building a strong support。A northern shaanxi area the largest energy chemical comprehensive industrial park is the desert rise（On August 21 perturbation）。Xinhua news agency reporters WangSong perturbation 

     位于靖边县城郊的一个高速公路“十字架”。青（岛）银（川）高速公路和包（头）茂（名）高速公路在这里交汇（8月22日摄）。新华社记者 王颂 摄      Located in the JingBianXian suburban a highway“cross”。green（island）silver（sichuan）Highway and packet（head）alum（name）Highway intersection here（August 22 perturbation）。Xinhua news agency reporters WangSong perturbation