{"id":151895,"date":"2026-03-24T12:58:18","date_gmt":"2026-03-24T11:58:18","guid":{"rendered":"https:\/\/www.immo-invest.ch\/graubuenden-baut-groesser-teurer-laenger\/"},"modified":"2026-03-24T13:35:10","modified_gmt":"2026-03-24T12:35:10","slug":"graubuenden-baut-groesser-teurer-laenger","status":"publish","type":"post","link":"https:\/\/www.immo-invest.ch\/fr\/graubuenden-baut-groesser-teurer-laenger\/","title":{"rendered":"Les Grisons construisent plus grand, plus cher, plus longtemps"},"content":{"rendered":"\n\n<p class=\"wp-block-paragraph\">128 chantiers ne signifient pas un all\u00e8gement, mais une concentration. Au lieu de nombreuses petites interventions, ce sont des projets d&rsquo;infrastructure co\u00fbteux qui seront mis en avant en 2026, n\u00e9cessitant plus de main-d&rsquo;\u0153uvre, des dur\u00e9es de construction plus longues et des budgets plus \u00e9lev\u00e9s. Pour 67 des 128 chantiers, des feux de signalisation seront utilis\u00e9s afin de faire passer le trafic de mani\u00e8re ordonn\u00e9e. L&rsquo;Office des ponts et chauss\u00e9es des Grisons a fix\u00e9 des priorit\u00e9s claires.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\"><strong>La Punt lib\u00e9r\u00e9e du trafic de transit<br><\/strong>Le plus grand projet est le contournement de La Punt en Engadine. Un tunnel de 584 m\u00e8tres de long passera \u00e0 l&rsquo;avenir sous le centre du village, tandis qu&rsquo;un pont de 55 m\u00e8tres de long traversera l&rsquo;Inn. Les co\u00fbts totaux s&rsquo;\u00e9l\u00e8vent \u00e0 80 millions de francs, la dur\u00e9e des travaux \u00e0 huit ans, jusqu&rsquo;en 2033. Apr\u00e8s le premier coup de pioche en septembre 2025, les pr\u00e9-d\u00e9coupes seront r\u00e9alis\u00e9es en 2026 dans la r\u00e9gion des Arvins. Pour La Punt, c&rsquo;est une lib\u00e9ration et pour l&rsquo;Engadine, un saut qualitatif.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Nouveau tunnel pour la Surselva<br><\/strong>Entre Disentis et Curaglia, une nouvelle construction d&rsquo;environ 500 m\u00e8tres de long remplace le tunnel d\u00e9labr\u00e9 de Las Ruinas et ses deux galeries. Les travaux dureront trois ans et la circulation sera maintenue pendant toute la dur\u00e9e des travaux. Comme le nouveau tunnel passe en partie directement \u00e0 c\u00f4t\u00e9 de l&rsquo;existant, des fermetures nocturnes sont in\u00e9vitables. Une intervention qui exige des \u00e9gards, mais qui est n\u00e9cessaire.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\"><strong>malix Cinq ans de travaux avant la fin<br><\/strong>Sur la route du Julier entre Coire et Malix, les signes de la finale sont l\u00e0. Situ\u00e9 dans une zone de glissement de terrain, ce tron\u00e7on a \u00e9t\u00e9 stabilis\u00e9, \u00e9largi et rectifi\u00e9 pendant cinq ans. Les derniers travaux devraient \u00eatre termin\u00e9s d&rsquo;ici juillet. Signe visible de ce nouveau d\u00e9part, le tron\u00e7on sera dot\u00e9 d&rsquo;une bande cyclable. Un projet n\u00e9 de la n\u00e9cessit\u00e9 et qui se termine par un tron\u00e7on de route moderne.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\"><strong>l&rsquo;infrastructure, un investissement<br><\/strong>Avec sa saison de construction 2026, le canton des Grisons montre que l&rsquo;infrastructure n&rsquo;est pas un acquis. Celui qui exploite 1360 kilom\u00e8tres de routes cantonales \u00e0 travers des terrains alpins, des zones de glissement et des zones inondables doit investir en permanence. Moins de chantiers, des projets plus importants, ce n&rsquo;est pas un exercice d&rsquo;\u00e9conomie, mais une d\u00e9cision strat\u00e9gique pour une qualit\u00e9 durable.<\/p>\n\n","protected":false},"excerpt":{"rendered":"<p>Si vous traversez les Grisons apr\u00e8s P\u00e2ques, il faudra vous armer de patience. Cette ann\u00e9e, 128 chantiers s&rsquo;ouvrent sur 1360 kilom\u00e8tres de routes cantonales. Soit un tous les dix kilom\u00e8tres. Cela semble beaucoup, mais c&rsquo;est moins qu&rsquo;en 2025, lorsque 174 chantiers ralentissaient encore le trafic en m\u00eame temps. Les projets deviennent toutefois plus grands, plus complexes et plus chers. Les Grisons ne construisent pas moins, ils construisent diff\u00e9remment.<\/p>\n","protected":false},"author":2,"featured_media":151896,"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":[55961,22347,22357,22703],"tags":[872,3931,55632,2002,8311,49003],"class_list":["post-151895","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-evaluations-analyses-de-marche","category-grisons","category-industrie-du-batiment","category-mobilite","tag-immoinvest-fr","tag-immonews-fr","tag-infrastrukturprojekte","tag-news-fr","tag-strassenbau-fr","tag-verkehrsentwicklung-fr"],"acf":{"bild_mit_ki_erstellt_worden":"","lead":"Si vous traversez les Grisons apr\u00e8s P\u00e2ques, il faudra vous armer de patience. Cette ann\u00e9e, 128 chantiers s'ouvrent sur 1360 kilom\u00e8tres de routes cantonales. Soit un tous les dix kilom\u00e8tres. Cela semble beaucoup, mais c'est moins qu'en 2025, lorsque 174 chantiers ralentissaient encore le trafic en m\u00eame temps. Les projets deviennent toutefois plus grands, plus complexes et plus chers. Les Grisons ne construisent pas moins, ils construisent diff\u00e9remment.","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=\"Si vous traversez les Grisons apr\u00e8s P\u00e2ques, il faudra vous armer de patience. Cette ann\u00e9e, 128 chantiers s&#039;ouvrent sur 1360 kilom\u00e8tres de routes cantonales. Soit un tous les dix kilom\u00e8tres. Cela semble beaucoup, mais c&#039;est moins qu&#039;en 2025, lorsque 174 chantiers ralentissaient encore le trafic en m\u00eame temps. 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