图为夏贡拉山隧道施工现场。
位于昌都市边坝县的夏贡拉山，因山势险峻、气候恶劣，被称为“入藏第一险”。跨越这一天险的国道349线边坝至嘉黎段改建工程关键项目——夏贡拉山隧道正加紧施工，预计明年贯通。
据了解，随着包括夏贡拉山隧道在内的国道349线改扩建工程项目完工，届时昌都到拉萨的距离将缩短300多公里，昌都、那曲通往拉萨等地的通行效率将进一步提高。
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