陕北革命老区迈入“高铁时代”——中国中铁电气化局参建的西延高铁正式开通运营

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（来源：千龙网）2025年12月26日10时00分，随着C9309次“复兴号”智能动车组列车从延安站徐徐驶出，西安至延安高速铁路（以下简称西延高铁）正式开通运营，标志着我国高铁里程突破5万公里，陕西省“米”字形高铁网主骨架基本成型。西延高铁是陕北革命老区首条高铁，正线全长299.8公里，为双线高速铁路，设计时速350公里。新建高陵、富平南、铜川、宜君、黄陵等8座站房；扩建甘泉北、延安2座站房，途经...

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