{"id":163031,"date":"2026-08-21T09:00:00","date_gmt":"2026-08-21T07:00:00","guid":{"rendered":"https:\/\/www.immo-invest.ch\/?p=163031"},"modified":"2026-08-17T10:33:06","modified_gmt":"2026-08-17T08:33:06","slug":"das-groesste-nadeloehr-der-schweiz-kaempft-sich-frei","status":"publish","type":"post","link":"https:\/\/www.immo-invest.ch\/fr\/das-groesste-nadeloehr-der-schweiz-kaempft-sich-frei\/","title":{"rendered":"Le plus grand goulet d&rsquo;\u00e9tranglement de Suisse se d\u00e9bloque peu \u00e0 peu"},"content":{"rendered":"\n\n<p class=\"wp-block-paragraph\">Le contournement nord de Zurich sur l&rsquo;A1\/A4, entre Weiningen et Regensdorf, compte parmi les tron\u00e7ons les plus fr\u00e9quent\u00e9s de Suisse. Chaque jour, jusqu&rsquo;\u00e0 7 000 v\u00e9hicules par heure empruntent le tunnel. Ceux qui font r\u00e9guli\u00e8rement la navette par ici connaissent bien le rituel : des bouchons 350 jours par an. Presque tous les jours, pas seulement de temps en temps.<br><br><strong>Trois tubes : la r\u00e9ponse du syst\u00e8me<\/strong><br>La solution \u00e9tait connue depuis longtemps, mais sa mise en \u0153uvre a pris du temps. Avec la construction d\u2019un troisi\u00e8me tube, la Conf\u00e9d\u00e9ration a lanc\u00e9 un programme d\u2019extension et de r\u00e9novation visant \u00e0 r\u00e9nover le tunnel de fond en comble. \u00c0 l\u2019\u00e9t\u00e9 2023, le nouveau tube en direction de Berne, B\u00e2le et Lucerne, dot\u00e9 de trois voies, a \u00e9t\u00e9 ouvert \u00e0 la circulation. L\u2019effet a \u00e9t\u00e9 mesurable : le trafic quotidien dans cette direction a imm\u00e9diatement augment\u00e9 de 10 %.<br><br><strong>R\u00e9fection en pleine exploitation<\/strong><br>Pendant que le troisi\u00e8me tube accueillait le trafic, le deuxi\u00e8me a \u00e9t\u00e9 enti\u00e8rement r\u00e9nov\u00e9. Fin novembre 2025, il a rouvert \u00e0 la circulation en direction de Saint-Gall et de l\u2019a\u00e9roport de Zurich. Imm\u00e9diatement apr\u00e8s, les travaux ont d\u00e9but\u00e9 sur le premier tube. L\u2019Office f\u00e9d\u00e9ral des routes coordonne un projet de r\u00e9novation men\u00e9 sans interruption du trafic. Il n\u2019y a aucune marge d\u2019erreur.<br><br><strong>Fin 2027 comme date cible<\/strong><br>\u00c0 partir de fin 2027, les trois tubes seront pour la premi\u00e8re fois tous en service simultan\u00e9ment. Quatre voies seront alors disponibles en direction de Saint-Gall, et trois en direction de Berne et de Lucerne. Le co\u00fbt total s\u2019\u00e9l\u00e8ve \u00e0 1,55 milliard de francs. Au regard de ce que les embouteillages quotidiens co\u00fbtent \u00e0 l\u2019\u00e9conomie, chaque franc investi est rentabilis\u00e9. \u00c0 lui seul, ce goulet d\u2019\u00e9tranglement d\u00e9truit chaque jour des millions de performance \u00e9conomique en raison des pertes de temps, des d\u00e9lais de livraison non respect\u00e9s et de la consommation accrue de carburant. Cet investissement se fait attendre depuis longtemps.<br><br><strong>La Suisse passe son chemin<\/strong><br>\u00c0 partir de fin 2027, le tunnel du Gubrist sera enti\u00e8rement r\u00e9nov\u00e9, modernis\u00e9 et conforme aux derni\u00e8res normes de s\u00e9curit\u00e9 applicables aux tunnels. Le chantier appartiendra alors au pass\u00e9.<br><br>Il constitue l\u2019\u00e9pine dorsale du r\u00e9seau routier suisse. 120 000 v\u00e9hicules l\u2019empruntent chaque jour, parmi lesquels des navetteurs, des transports de marchandises et des voyageurs d\u2019affaires venus de tout le pays. Chaque bouchon ici co\u00fbte des millions \u00e0 l\u2019\u00e9conomie. Chaque trajet fluide en fait \u00e9conomiser. Avec trois tubes pleinement op\u00e9rationnels, ce goulet d\u2019\u00e9tranglement chronique se transforme en un corridor performant. La Suisse continue de rouler.<br><br>Texte : Karin Ibach \u2022 Photo : fournie par l\u2019auteur<\/p>\n\n","protected":false},"excerpt":{"rendered":"<p>Chaque jour, 120 000 v\u00e9hicules s&rsquo;entassent dans l&rsquo;un des tunnels les plus fr\u00e9quent\u00e9s de Suisse. Pendant des d\u00e9cennies, le Gubrist, pr\u00e8s de Zurich, a \u00e9t\u00e9 le symbole de l&rsquo;\u00e9chec de la planification des transports. Aujourd\u2019hui, alors que l\u2019ach\u00e8vement d\u2019un chantier de plusieurs milliards est en vue, la situation s\u2019inverse. Ce qui semblait longtemps impensable est d\u00e9sormais \u00e0 port\u00e9e de main.<\/p>\n","protected":false},"author":2,"featured_media":163032,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_surecart_dashboard_logo_width":"180px","_surecart_dashboard_show_logo":true,"_surecart_dashboard_navigation_orders":true,"_surecart_dashboard_navigation_invoices":true,"_surecart_dashboard_navigation_subscriptions":true,"_surecart_dashboard_navigation_downloads":true,"_surecart_dashboard_navigation_billing":true,"_surecart_dashboard_navigation_account":true,"inline_featured_image":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[22703,56027,9652],"tags":[25782,872,3931,2002,61157,52646],"class_list":["post-163031","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mobilite","category-planification-developpement","category-renovation","tag-gubristtunnel-fr","tag-immoinvest-fr","tag-immonews-fr","tag-news-fr","tag-nordumfahrung-zuerich","tag-verkehrsinfrastruktur-2-fr"],"acf":{"bild_mit_ki_erstellt_worden":"","lead":"Chaque jour, 120 000 v\u00e9hicules s'entassent dans l'un des tunnels les plus fr\u00e9quent\u00e9s de Suisse. Pendant des d\u00e9cennies, le Gubrist, pr\u00e8s de Zurich, a \u00e9t\u00e9 le symbole de l'\u00e9chec de la planification des transports. Aujourd\u2019hui, alors que l\u2019ach\u00e8vement d\u2019un chantier de plusieurs milliards est en vue, la situation s\u2019inverse. Ce qui semblait longtemps impensable est d\u00e9sormais \u00e0 port\u00e9e de main.","autor":"","ort":"","bildunterschrift":"","zusammenfassung":"","bild_im_grid":false,"gallerie":"","newsim":""},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"Chaque jour, 120 000 v\u00e9hicules s&#039;entassent dans l&#039;un des tunnels les plus fr\u00e9quent\u00e9s de Suisse. Pendant des d\u00e9cennies, le Gubrist, pr\u00e8s de Zurich, a \u00e9t\u00e9 le symbole de l&#039;\u00e9chec de la planification des transports. Aujourd\u2019hui, alors que l\u2019ach\u00e8vement d\u2019un chantier de plusieurs milliards est en vue, la situation s\u2019inverse. 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