{"id":352554,"date":"2026-01-21T03:00:00","date_gmt":"2026-01-20T17:00:00","guid":{"rendered":"https:\/\/www.railadvent.co.uk\/?p=903804"},"modified":"2026-01-21T03:00:00","modified_gmt":"2026-01-20T17:00:00","slug":"excavation-of-hs2s-longest-tunnel-completed","status":"publish","type":"post","link":"https:\/\/www.vibewire.com.au\/?p=352554","title":{"rendered":"Excavation of HS2\u2019s longest tunnel completed"},"content":{"rendered":"<p><img loading=\"lazy\" width=\"640\" height=\"427\" src=\"https:\/\/www.railadvent.co.uk\/wp-content\/uploads\/2026\/01\/View-inside-HS2s-Chiltern-tunnel-October-2024_2-1080x720.jpg\" class=\"webfeedsFeaturedVisual wp-post-image\" alt=\"View inside Chiltern tunnel. \/\/ Credit: HS2\" style=\"display: block; margin: auto; margin-bottom: 10px; max-width: 100%;\" decoding=\"async\" srcset=\"https:\/\/www.railadvent.co.uk\/wp-content\/uploads\/2026\/01\/View-inside-HS2s-Chiltern-tunnel-October-2024_2-1080x720.jpg 1080w, https:\/\/www.railadvent.co.uk\/wp-content\/uploads\/2026\/01\/View-inside-HS2s-Chiltern-tunnel-October-2024_2-300x200.jpg 300w, https:\/\/www.railadvent.co.uk\/wp-content\/uploads\/2026\/01\/View-inside-HS2s-Chiltern-tunnel-October-2024_2-768x512.jpg 768w, https:\/\/www.railadvent.co.uk\/wp-content\/uploads\/2026\/01\/View-inside-HS2s-Chiltern-tunnel-October-2024_2-750x500.jpg 750w, https:\/\/www.railadvent.co.uk\/wp-content\/uploads\/2026\/01\/View-inside-HS2s-Chiltern-tunnel-October-2024_2-360x240.jpg 360w, https:\/\/www.railadvent.co.uk\/wp-content\/uploads\/2026\/01\/View-inside-HS2s-Chiltern-tunnel-October-2024_2-624x416.jpg 624w, https:\/\/www.railadvent.co.uk\/wp-content\/uploads\/2026\/01\/View-inside-HS2s-Chiltern-tunnel-October-2024_2-600x400.jpg 600w, https:\/\/www.railadvent.co.uk\/wp-content\/uploads\/2026\/01\/View-inside-HS2s-Chiltern-tunnel-October-2024_2.jpg 1280w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/>Civil engineering construction work on the Chiltern tunnel, the longest tunnel on HS2, has been completed.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Civil engineering construction work on the Chiltern tunnel, the longest tunnel on HS2, has been completed.<\/p>\n","protected":false},"author":13,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[5579,6376,2317,1089,343,2309,47],"tags":[12406],"class_list":["post-352554","post","type-post","status-publish","format-standard","hentry","category-buckinghamshire","category-great-missenden","category-hertfordshire","category-hs2","category-infrastructure","category-network","category-rail-news","tag-rail-advent"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.vibewire.com.au\/index.php?rest_route=\/wp\/v2\/posts\/352554","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vibewire.com.au\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vibewire.com.au\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vibewire.com.au\/index.php?rest_route=\/wp\/v2\/users\/13"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vibewire.com.au\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=352554"}],"version-history":[{"count":1,"href":"https:\/\/www.vibewire.com.au\/index.php?rest_route=\/wp\/v2\/posts\/352554\/revisions"}],"predecessor-version":[{"id":352555,"href":"https:\/\/www.vibewire.com.au\/index.php?rest_route=\/wp\/v2\/posts\/352554\/revisions\/352555"}],"wp:attachment":[{"href":"https:\/\/www.vibewire.com.au\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=352554"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vibewire.com.au\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=352554"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vibewire.com.au\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=352554"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}