{"id":5902,"date":"2022-01-12T10:16:47","date_gmt":"2022-01-12T10:16:47","guid":{"rendered":"http:\/\/tunnelingworld.com\/?p=5902"},"modified":"2022-01-12T10:16:47","modified_gmt":"2022-01-12T10:16:47","slug":"inauguration-second-undersea-metro-tunnel","status":"publish","type":"post","link":"https:\/\/tunnelingworld.com\/?p=5902","title":{"rendered":"Inauguration Second Undersea Metro Tunnel"},"content":{"rendered":"<p style=\"text-align: justify;\">On 30 December 2021, an undersea tunnel with 4km length has been opened as part of the 38\u00b73 km southern extension of Qingdao metro Line 1 from Qingdao Bei Railway Station to Wangjiagang.<\/p>\n<p style=\"text-align: justify;\">In advance another 5\u00b74 km sea crossing tunnel on the east-west Line 8 was launched in December 2020, hence this is the city\u2019s second undersea tunnel. The date of construction commencing in the undersea section of Line 1 through 18 fracture zones was September 2015, while the tunneling process was completed in November 2018.<\/p>\n<p style=\"text-align: justify;\">Serving the mainline terminus before heading southwest across the neck of Jiaozhou Bay to Fenghangao and Wangjiagang, the Line 1 development passes beneath the city center. Comprising of 60\u00b71 km length and 41 stations, the intended line is operated by a fleet of 67 six-car Type B trainsets manufactured by <a href=\"https:\/\/www.crrcgc.cc\/g4020.aspx\" target=\"_blank\" rel=\"noopener\">CRRC Qingdao Sifang<\/a>. These are 118 m long and have a maximum speed of 100 km\/h and a capacity of 1 900 passengers, including 248 seated.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>On 30 December 2021, an undersea tunnel with 4km length has been opened as part of the 38\u00b73 km southern extension of Qingdao metro Line 1 from Qingdao Bei Railway Station to Wangjiagang. In advance another 5\u00b74 km sea crossing tunnel on the east-west Line 8 was launched in December 2020, hence this is the city\u2019s second undersea tunnel. The date of construction commencing in the undersea section of Line 1 through 18 fracture zones was September 2015, while the tunneling process was completed in November 2018. Serving the mainline terminus before heading southwest across the neck of Jiaozhou Bay [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":5904,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41,43],"tags":[120,590,1484,1485,47],"class_list":["post-5902","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-project-show-case","tag-china","tag-inauguration","tag-qingdao-metro-line-1","tag-second-undersea-metro-tunnel","tag-tunneling","post--single"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Inauguration Second Undersea Metro Tunnel - Tunnelingworld<\/title>\n<meta name=\"description\" content=\"An undersea tunnel has been opened as part of the southern extension of Qingdao metro Line 1 from Qingdao Bei Railway Station to Wangjiagang.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/tunnelingworld.com\/?p=5902\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Inauguration Second Undersea Metro Tunnel - 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