China Railway Construction Co., Ltd. on 11th, the Tangshan Road Interchange and connection line of Tangshan Road Tunnel were excavated on 11th.
It is largest span tunnel at 32 meter in China. 1.5km and dual tube and 8 lanes.
http://finance.people.com.cn/BIG5/n1/2023/0711/c1004-40033329.html
cover tunnel photo by: Matt Brown from London, England / CC BY
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http://finance.people.com.cn/BIG5/n1/2023/0711/c1004-40033329.html
我國在建最大跨度交通隧道開挖--經濟·科技--人民網
finance.people.com.cn新華社北京7月11日電(記者樊曦)記者從中國鐵建股份有限公司了解到,11日,青銀高速公路增設唐山路互通及連接線工程唐山路隧道開挖。該隧道最大斷面開挖淨跨度達32米,是目前我國在建最大跨度交通隧道,由青