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China: Chengde, Hebei: Two tunnels of the extra-long Nanhuo Road tunnel of Taiping Expressway are connected
Recently, the double tube of the Nanhuo Road Special Long Tunnel of Taiping Expressway were connected.
http://he.people.com.cn/BIG5/n2/2023/1211/c192235-40674272.html
cover tunnel photo by: Matt Brown from London, England / CC BY
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http://he.people.com.cn/BIG5/n2/2023/1211/c192235-40674272.html
河北承德：承平高速南火道特長隧道雙洞貫通
he.people.com.cn近日，承平高速公路南火道特長隧道雙洞順利貫通，這是首都地區環線高速公路承德（李家營）至平谷（冀京界）段全線首條實現雙洞貫通的特長隧道。在施工現場，不同於傳統嘈雜的施工環境，承平高速公路的智慧梁場內，預