{"id":165571,"date":"2026-09-19T09:00:00","date_gmt":"2026-09-19T07:00:00","guid":{"rendered":"https:\/\/www.immo-invest.ch\/?p=165571"},"modified":"2026-09-17T13:17:16","modified_gmt":"2026-09-17T11:17:16","slug":"verkehr-45-treibt-die-tunnelkaempfe-neu-an","status":"publish","type":"post","link":"https:\/\/www.immo-invest.ch\/fr\/verkehr-45-treibt-die-tunnelkaempfe-neu-an\/","title":{"rendered":"Le projet \u00abtrafic 45\u00bb ravive les pol\u00e9miques autour du tunnel"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Le conflit porte sur l&rsquo;ordre de priorit\u00e9. Le 14 septembre 2026, le Contr\u00f4le f\u00e9d\u00e9ral des finances a critiqu\u00e9 le fait que 45 principes fondamentaux essentiels \u00e0 la d\u00e9finition des priorit\u00e9s dans le domaine des transports faisaient d\u00e9faut, que les hypoth\u00e8ses de rentabilit\u00e9 \u00e9taient parfois trop optimistes et qu\u2019il n\u2019existait aucun financement garanti pour les d\u00e9penses pr\u00e9vues jusqu\u2019en 2045, qui s\u2019\u00e9l\u00e8vent \u00e0 environ 50 milliards de francs. Pourtant, certains projets d\u2019un montant total de 11 milliards de francs devraient \u00eatre soumis au Parlement d\u00e9but 2027.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ce projet d\u2019infrastructure se transforme ainsi en une lutte acharn\u00e9e pour la r\u00e9partition des volumes de construction, des n\u0153uds ferroviaires et des capacit\u00e9s routi\u00e8res. Le Conseil f\u00e9d\u00e9ral avait ouvert la consultation sur \u00ab Transport 45 \u00bb le 19 juin 2026 et regroup\u00e9 pour la premi\u00e8re fois le rail, la route et le trafic d\u2019agglom\u00e9ration dans un paquet commun.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Le Grimsel reste le point le plus controvers\u00e9<br><\/strong>Le tunnel du Grimsel, entre Innertkirchen et Oberwald, est particuli\u00e8rement controvers\u00e9. Ce projet figure parmi les projets ferroviaires prioritaires jusqu\u2019en 2045, bien que son utilit\u00e9 soit fortement contest\u00e9e tant sur le plan politique que technique. Le Contr\u00f4le f\u00e9d\u00e9ral des finances a qualifi\u00e9 ce projet d\u2019utilisation clairement inefficace des ressources. Selon les donn\u00e9es du projet, l\u2019Office f\u00e9d\u00e9ral des transports table sur un co\u00fbt de 800 millions de francs. Pour les r\u00e9gions concern\u00e9es, ce tunnel serait un projet visant \u00e0 am\u00e9liorer l\u2019accessibilit\u00e9 ; pour ses d\u00e9tracteurs, il s\u2019agit d\u2019une priorit\u00e9 co\u00fbteuse au d\u00e9triment de corridors d\u00e9j\u00e0 fortement sollicit\u00e9s.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>La route revient sur la liste des conflits<br><\/strong>En mati\u00e8re de routes nationales \u00e9galement, \u00abtrafic 45\u00bb ravive d\u2019anciens d\u00e9bats. Dans le cadre de la phase d\u2019extension 2027, la Conf\u00e9d\u00e9ration souhaite notamment faire avancer l\u2019\u00e9largissement \u00e0 six voies entre Aarau Ost et Birrfeld ainsi qu\u2019entre Perly et Bernex. Le Contr\u00f4le f\u00e9d\u00e9ral des finances constate justement, pour ce type de projets, que les alternatives telles que la reconversion des bandes d\u2019arr\u00eat d\u2019urgence ou d\u2019autres mesures d\u2019exploitation n\u2019ont pas \u00e9t\u00e9 suffisamment \u00e9tudi\u00e9es. Le contexte politique est d\u2019autant plus sensible que les \u00e9lecteurs ont rejet\u00e9, le 24 novembre 2024, la phase d\u2019extension 2023 des routes nationales. \u00c0 l\u2019\u00e9poque, le tunnel du Rhin, le tunnel de F\u00e4senstaub et le troisi\u00e8me tube du tunnel du Rosenberg, entre autres, avaient \u00e9t\u00e9 rejet\u00e9s par les urnes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Lucerne aux prises avec un projet d\u2019envergure<br><\/strong>Dans le domaine ferroviaire, la gare de transit de Lucerne est confront\u00e9e au m\u00eame conflit d\u2019objectifs, mais dans un contexte diff\u00e9rent. L\u2019importance du projet en mati\u00e8re de transport est largement reconnue, mais son co\u00fbt accentue la concurrence pour des moyens financiers limit\u00e9s. Selon les CFF, la premi\u00e8re \u00e9tape, comprenant la gare souterraine et le tunnel de Dreilinden, co\u00fbtera environ 3 milliards de francs. Pour les deux \u00e9tapes, le Conseil f\u00e9d\u00e9ral a fix\u00e9 en janvier 2026 un plafond budg\u00e9taire de 5,1 milliards de francs. Lucerne est ainsi en concurrence directe avec d\u2019autres grands projets d\u2019extension ferroviaire qui mobilisent des fonds dans le m\u00eame horizon de planification.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u2019est pr\u00e9cis\u00e9ment cette hi\u00e9rarchisation des priorit\u00e9s qui est d\u00e9terminante pour le d\u00e9veloppement immobilier et territorial. Le programme \u00ab Transports 45 \u00bb ne se contente pas de d\u00e9finir des sillons, il red\u00e9finit l\u2019ordre de priorit\u00e9 entre accessibilit\u00e9, densification et investissements dans l\u2019ensemble de l\u2019espace infrastructurel suisse. Les projets qui seront effectivement soumis au Parlement d\u00e9but 2027 auront donc des r\u00e9percussions bien au-del\u00e0 du secteur des transports.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Avec 45 milliards de projets dans le domaine des transports, la Conf\u00e9d\u00e9ration les inscrit \u00e0 nouveau sur la liste des priorit\u00e9s, bien que le Contr\u00f4le f\u00e9d\u00e9ral des finances critique vivement leur s\u00e9lection et leur financement. La lutte pour la r\u00e9partition des fonds s&rsquo;intensifie notamment autour du tunnel du Grimsel, des extensions d&rsquo;autoroutes controvers\u00e9es et \u00e0 Lucerne.<\/p>\n","protected":false},"author":2,"featured_media":165572,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"pmpro_default_level":"","_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":[9439,22357,9437,22703,56027],"tags":[62126,62127,62128,872,3931,62129,37060,2002,62130],"class_list":["post-165571","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-region-berne","category-industrie-du-batiment","category-region-lucerne","category-mobilite","category-planification-developpement","tag-durchgangsbahnhof-luzern","tag-eidgenossische-finanzkontrolle","tag-grimseltunnel","tag-immoinvest-fr","tag-immonews-fr","tag-infrastrukturausbau","tag-nationalstrassen-fr","tag-news-fr","tag-verkehr-45","pmpro-has-access"],"acf":{"bild_mit_ki_erstellt_worden":["Ja"],"lead":"Avec 45 milliards de projets dans le domaine des transports, la Conf\u00e9d\u00e9ration les inscrit \u00e0 nouveau sur la liste des priorit\u00e9s, bien que le Contr\u00f4le f\u00e9d\u00e9ral des finances critique vivement leur s\u00e9lection et leur financement. La lutte pour la r\u00e9partition des fonds s'intensifie notamment autour du tunnel du Grimsel, des extensions d'autoroutes controvers\u00e9es et \u00e0 Lucerne.","autor":"","ort":"Bern\/Wallis\/Aargau\/Genf\/Luzern\/Basel\/Schaffhausen\/St. Gallen","bildunterschrift":"","zusammenfassung":"<ul>\r\n \t<li>Die EFK r\u00fcgt bei Verkehr 45 fehlende Priorisierungsgrundlagen und eine ungesicherte Finanzierung von rund 50 Milliarden Franken bis 2045.<\/li>\r\n \t<li>Der Grimseltunnel bleibt mit veranschlagten 800 Millionen Franken das umstrittenste priorisierte Bahnprojekt.<\/li>\r\n \t<li>Mit Aarau Ost bis Birrfeld, Perly bis Bernex und fr\u00fcher verworfenen Tunneln flammt der Konflikt um Strassenausbauten erneut auf.<\/li>\r\n \t<li>Luzern k\u00e4mpft mit rund 3 Milliarden Franken f\u00fcr die erste Etappe des Durchgangsbahnhofs um knappe Ausbaumittel.<\/li>\r\n<\/ul>","bild_im_grid":false,"gallerie":"","newsim":"4161"},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Avec 45 milliards de projets dans le domaine des transports, la Conf\u00e9d\u00e9ration les inscrit \u00e0 nouveau sur la liste des priorit\u00e9s, bien que le Contr\u00f4le f\u00e9d\u00e9ral des finances critique vivement leur s\u00e9lection et leur financement. La lutte pour la r\u00e9partition des fonds s&#039;intensifie notamment autour du tunnel du Grimsel, des extensions d&#039;autoroutes controvers\u00e9es et \u00e0 Lucerne.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"immovestuser\"\/>\n\t<meta name=\"google-site-verification\" content=\"fHJKvgWpZCR2zVBHWfkQeFXC11qieUSff0HGNYfuyLA\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/www.immo-invest.ch\/fr\/verkehr-45-treibt-die-tunnelkaempfe-neu-an\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.1.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"fr_FR\" \/>\n\t\t<meta property=\"og:site_name\" content=\"immo!nvest - Die Plattform f\u00fcr Standorte und Immobilien - Die\u00a0Plattform f\u00fcr Standorte und Immobilien\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Le projet \u00abtrafic 45\u00bb ravive les pol\u00e9miques autour du tunnel - immo!nvest - Die Plattform f\u00fcr Standorte und Immobilien\" \/>\n\t\t<meta property=\"og:description\" content=\"Avec 45 milliards de projets dans le domaine des transports, la Conf\u00e9d\u00e9ration les inscrit \u00e0 nouveau sur la liste des priorit\u00e9s, bien que le Contr\u00f4le f\u00e9d\u00e9ral des finances critique vivement leur s\u00e9lection et leur financement. 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La lutte pour la r\u00e9partition des fonds s&#039;intensifie notamment autour du tunnel du Grimsel, des extensions d&#039;autoroutes controvers\u00e9es et \u00e0 Lucerne.\" \/>\n\t\t<meta name=\"twitter:creator\" content=\"@i\" \/>\n\t\t<meta name=\"twitter:image\" content=\"https:\/\/www.immo-invest.ch\/wp-content\/uploads\/2026\/09\/Verkehr-45-treibt-die-Tunnelkaempfe-neu-an-immo-invest.png\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BlogPosting\",\"@id\":\"https:\\\/\\\/www.immo-invest.ch\\\/fr\\\/verkehr-45-treibt-die-tunnelkaempfe-neu-an\\\/#blogposting\",\"name\":\"Le projet \\u00abtrafic 45\\u00bb ravive les pol\\u00e9miques autour du tunnel - immo!nvest - Die Plattform f\\u00fcr Standorte und Immobilien\",\"headline\":\"Le projet \\u00abtrafic 45\\u00bb ravive les pol\\u00e9miques autour du 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