{"id":3946,"date":"2026-04-23T11:16:07","date_gmt":"2026-04-23T11:16:07","guid":{"rendered":"https:\/\/bale.ch\/journal\/?p=3946"},"modified":"2026-05-25T07:19:17","modified_gmt":"2026-05-25T07:19:17","slug":"chablais-manifestation-autoroute-thonon-machilly-a412","status":"publish","type":"post","link":"https:\/\/bale.ch\/journal\/chablais-manifestation-autoroute-thonon-machilly-a412\/","title":{"rendered":"Dans le Chablais savoyard, une d\u00e9ambulation festive pour dire non \u00e0 l\u2019autoroute A412"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">GRAND GEN\u00c8VE \u2014 <strong>Le rendez-vous se veut \u00e0 la fois convivial et d\u00e9termin\u00e9. Samedi 2 mai, plusieurs centaines \u2014 voire milliers \u2014 de personnes sont attendues entre Bons-en-Chablais et Perrignier pour une \u201cgrande d\u00e9ambulation festive et familiale\u201d contre le projet d\u2019autoroute. \u00c0 quelques semaines d\u2019\u00e9ch\u00e9ances administratives importantes, et alors que <strong>la Ville de Gen\u00e8ve vient d&rsquo;annoncer un durcissement de son action<\/strong> contre l&rsquo;A412, cette mobilisation entend marquer un nouveau temps fort dans une contestation qui ne faiblit pas.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00e8s la fin de matin\u00e9e, habitants, militants \u00e9cologistes, agriculteurs et familles doivent se retrouver \u00e0 Bons-en-Chablais pour entamer une marche \u00e0 travers les paysages directement concern\u00e9s par le trac\u00e9 de la future infrastructure. \u00c0 pied, \u00e0 v\u00e9lo ou en tracteur, le cort\u00e8ge rejoindra Perrignier, o\u00f9 un village associatif, des prises de parole et des concerts sont pr\u00e9vus en fin de journ\u00e9e. Les organisateurs revendiquent une mobilisation accessible \u00e0 tous, loin des formes classiques de manifestation, pour mieux ancrer la contestation dans le territoire.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Un projet toujours contest\u00e9, entre pression citoyenne et incertitudes<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Car au-del\u00e0 de l\u2019\u00e9v\u00e9nement lui-m\u00eame, c\u2019est bien l\u2019avenir de l\u2019A412 qui se joue. Ce projet d\u2019autoroute de liaison entre Machilly et Thonon-les-Bains, port\u00e9 de longue date, reste fortement contest\u00e9 pour ses impacts environnementaux. Artificialisation de terres agricoles, atteintes aux zones humides, contradiction avec les objectifs climatiques : les arguments des opposants sont d\u00e9sormais bien install\u00e9s dans le d\u00e9bat public. Malgr\u00e9 les ann\u00e9es d\u2019\u00e9tudes et d\u2019ajustements, ils continuent de mobiliser largement.<\/p><div id=\"crieu-895858816\" class=\"crieu-content crieu-entity-placement\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-5271584769416742\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-5271584769416742\" \ndata-ad-slot=\"9321250718\" \ndata-ad-format=\"auto\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">La d\u00e9ambulation du 2 mai s\u2019inscrit dans un contexte particulier. Depuis le 20 avril, une consultation publique est ouverte dans le cadre de la demande d\u2019autorisation environnementale du projet. Une \u00e9tape cruciale, qui pourrait influencer la suite du calendrier. Officiellement, les travaux pourraient d\u00e9buter d\u2019ici la fin de l\u2019ann\u00e9e 2026. Mais entre les contributions du public, les recours juridiques en cours et la pression du terrain, le processus reste incertain.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019opposition, justement, ne cesse de se structurer. Aux collectifs citoyens historiques se sont ajout\u00e9es ces derniers mois de nouvelles formes d\u2019action. Sur certaines parcelles du trac\u00e9, des militants ont commenc\u00e9 \u00e0 occuper le terrain, donnant naissance \u00e0 une \u00e9bauche de zone \u00e0 d\u00e9fendre, baptis\u00e9e Chab&rsquo;ZAD. Encore modeste, cette pr\u00e9sence symbolique vise \u00e0 incarner physiquement le refus du projet et pourrait prendre de l\u2019ampleur en cas de lancement des travaux.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Gen\u00e8ve durcit le ton contre un projet contest\u00e9 \u00e0 l\u2019\u00e9chelle transfrontali\u00e8re<\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/bale.ch\/journal\/wp-content\/uploads\/2026\/04\/20260307_1836221-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/bale.ch\/journal\/wp-content\/uploads\/2026\/04\/20260307_1836221-1024x768.jpg\" alt=\"\" class=\"wp-image-3948\" srcset=\"https:\/\/bale.ch\/journal\/wp-content\/uploads\/2026\/04\/20260307_1836221-1024x768.jpg 1024w, https:\/\/bale.ch\/journal\/wp-content\/uploads\/2026\/04\/20260307_1836221-300x225.jpg 300w, https:\/\/bale.ch\/journal\/wp-content\/uploads\/2026\/04\/20260307_1836221-768x576.jpg 768w, https:\/\/bale.ch\/journal\/wp-content\/uploads\/2026\/04\/20260307_1836221-1536x1152.jpg 1536w, https:\/\/bale.ch\/journal\/wp-content\/uploads\/2026\/04\/20260307_1836221-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">L&rsquo;opposition s&rsquo;affiche jusqu&rsquo;au centre de Gen\u00e8ve &#8211; ici \u00e0 la gare Cornavin. <em>Photo Alban Lavy<\/em><\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Sur le plan institutionnel, la contestation d\u00e9passe \u00e9galement les fronti\u00e8res locales et prend m\u00eame une dimension transfrontali\u00e8re renforc\u00e9e. <strong>La Ville de Gen\u00e8ve vient d&rsquo;annoncer un durcissement de son action contre le projet<\/strong>, s\u2019appuyant notamment sur l\u2019avis tr\u00e8s critique du Conseil national de la protection de la nature, qui pointe des atteintes majeures \u00e0 la biodiversit\u00e9. L\u2019ex\u00e9cutif genevois entend participer aux proc\u00e9dures internationales pr\u00e9vues par la Convention d\u2019Espoo, engager de nouveaux recours juridiques et m\u00eame une action indemnitaire contre l\u2019\u00c9tat fran\u00e7ais, estimant que l\u2019autoroute encouragerait le trafic routier et irait \u00e0 l\u2019encontre des objectifs climatiques du Grand Gen\u00e8ve.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dans le d\u00e9tail, le Conseil administratif de la Ville de Gen\u00e8ve entend \u00e9galement d\u00e9poser <strong>une nouvelle demande d\u2019abrogation de la d\u00e9claration d\u2019utilit\u00e9 publique<\/strong> du projet d\u2019autoroute A412 aupr\u00e8s du Premier ministre fran\u00e7ais. En cas de d\u00e9cision n\u00e9gative, un recours sera form\u00e9 devant le Conseil d\u2019Etat fran\u00e7ais.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Malgr\u00e9 cela, les porteurs du projet poursuivent leur calendrier et multiplient les op\u00e9rations de communication pour convaincre de son utilit\u00e9, notamment en mati\u00e8re de d\u00e9sengorgement du trafic. Un argument que contestent de nombreux opposants, qui d\u00e9fendent des alternatives fond\u00e9es sur le d\u00e9veloppement des transports publics, en particulier le L\u00e9man Express.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dans ce contexte tendu, la journ\u00e9e du 2 mai appara\u00eet comme un moment charni\u00e8re. Ni blocage ni affrontement annonc\u00e9, mais une d\u00e9monstration de force pacifique et festive, destin\u00e9e \u00e0 rassembler bien au-del\u00e0 des cercles militants. <em>\u00ab\u00a0Montrer ce que l\u2019on risque de perdre\u00a0\u00bb<\/em>: c\u2019est l\u2019un des messages port\u00e9s par les organisateurs, qui invitent les participants \u00e0 parcourir ces paysages encore pr\u00e9serv\u00e9s.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Lire aussi:<\/h2>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-journal-de-b-le-et-gen-ve wp-block-embed-journal-de-b-le-et-gen-ve\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"w7U0fAT9jV\"><a href=\"https:\/\/bale.ch\/journal\/a412-grand-rassemblement-contre-autoroute-chablais\/\">A412 : un grand rassemblement contre l\u2019autoroute chablaisienne pr\u00e9vu \u00e0 Massongy le 14 juin<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"\u00ab\u00a0A412 : un grand rassemblement contre l\u2019autoroute chablaisienne pr\u00e9vu \u00e0 Massongy le 14 juin\u00a0\u00bb \u2014 Journal de B\u00e2le et Gen\u00e8ve\" src=\"https:\/\/bale.ch\/journal\/a412-grand-rassemblement-contre-autoroute-chablais\/embed\/#?secret=oGth0MlEmv#?secret=w7U0fAT9jV\" data-secret=\"w7U0fAT9jV\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-journal-de-b-le-et-gen-ve wp-block-embed-journal-de-b-le-et-gen-ve\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"QYpkVQRhTL\"><a href=\"https:\/\/bale.ch\/journal\/mobilite-dans-le-grand-geneve-il-faut-plus-dingerence-transfrontaliere\/\">Mobilit\u00e9 dans le Grand Gen\u00e8ve: \u00ab\u00a0Il faut plus d&rsquo;ing\u00e9rence transfrontali\u00e8re\u00a0\u00bb<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"\u00ab\u00a0Mobilit\u00e9 dans le Grand Gen\u00e8ve: \u00ab\u00a0Il faut plus d&rsquo;ing\u00e9rence transfrontali\u00e8re\u00a0\u00bb\u00a0\u00bb &#8212; Journal de B\u00e2le et Gen\u00e8ve\" src=\"https:\/\/bale.ch\/journal\/mobilite-dans-le-grand-geneve-il-faut-plus-dingerence-transfrontaliere\/embed\/#?secret=BpUZ17Y5vg#?secret=QYpkVQRhTL\" data-secret=\"QYpkVQRhTL\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-journal-de-b-le-et-gen-ve wp-block-embed-journal-de-b-le-et-gen-ve\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"bJdnauNa7F\"><a href=\"https:\/\/bale.ch\/journal\/projet-dautoroute-du-chablais-savoyard-une-loi-de-circonstance-pour-passer-en-force\/\">Autoroute du Chablais savoyard: une loi de circonstance pour passer en force<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"\u00ab\u00a0Autoroute du Chablais savoyard: une loi de circonstance pour passer en force\u00a0\u00bb &#8212; Journal de B\u00e2le et Gen\u00e8ve\" src=\"https:\/\/bale.ch\/journal\/projet-dautoroute-du-chablais-savoyard-une-loi-de-circonstance-pour-passer-en-force\/embed\/#?secret=1UFbxyubI1#?secret=bJdnauNa7F\" data-secret=\"bJdnauNa7F\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n<div id=\"crieu-2283675583\" class=\"crieu-apres-le-contenu crieu-entity-placement\" style=\"margin-left: auto;margin-right: auto;text-align: center;\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-5271584769416742\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-5271584769416742\" \ndata-ad-slot=\"9321250718\" \ndata-ad-format=\"auto\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>GRAND GEN\u00c8VE \u2014 Le rendez-vous se veut \u00e0 la fois convivial et d\u00e9termin\u00e9. Samedi 2 mai, plusieurs centaines \u2014 voire milliers \u2014 de personnes sont attendues entre Bons-en-Chablais et Perrignier <a href=\"https:\/\/bale.ch\/journal\/chablais-manifestation-autoroute-thonon-machilly-a412\/\" class=\"read-more button-fancy -red\"><span class=\"btn-arrow\"><\/span><span class=\"twp-read-more text\">Continuer la lecture<\/span><\/a><\/p>\n","protected":false},"author":47,"featured_media":3516,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[103,4],"tags":[233,64,74,73,35],"class_list":["post-3946","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actu","category-grand-geneve","tag-autoroute-a412","tag-chablais","tag-geneve","tag-haute-savoie","tag-transports"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Dans le Chablais savoyard, une d\u00e9ambulation festive pour dire non \u00e0 l\u2019autoroute A412 - Journal de B\u00e2le et Gen\u00e8ve<\/title>\n<meta name=\"description\" content=\"La Ville de Gen\u00e8ve vient d&#039;annoncer un durcissement de son action contre le projet, s\u2019appuyant notamment sur l\u2019avis tr\u00e8s critique du Conseil national de la protection de la nature, qui pointe des atteintes majeures \u00e0 la biodiversit\u00e9.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/bale.ch\/journal\/chablais-manifestation-autoroute-thonon-machilly-a412\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dans le Chablais savoyard, une d\u00e9ambulation festive pour dire non \u00e0 l\u2019autoroute A412 - Journal de B\u00e2le et Gen\u00e8ve\" \/>\n<meta property=\"og:description\" content=\"La Ville de Gen\u00e8ve vient d&#039;annoncer un durcissement de son action contre le projet, s\u2019appuyant notamment sur l\u2019avis tr\u00e8s critique du Conseil national de la protection de la nature, qui pointe des atteintes majeures \u00e0 la biodiversit\u00e9.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/bale.ch\/journal\/chablais-manifestation-autoroute-thonon-machilly-a412\/\" \/>\n<meta property=\"og:site_name\" content=\"Journal de B\u00e2le et Gen\u00e8ve\" \/>\n<meta property=\"article:published_time\" content=\"2026-04-23T11:16:07+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-25T07:19:17+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/bale.ch\/journal\/wp-content\/uploads\/2024\/06\/a412_thonon_autoroute_perrignier.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"900\" \/>\n\t<meta property=\"og:image:height\" content=\"484\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"L\u00e9on Martin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"L\u00e9on Martin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/bale.ch\\\/journal\\\/chablais-manifestation-autoroute-thonon-machilly-a412\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/bale.ch\\\/journal\\\/chablais-manifestation-autoroute-thonon-machilly-a412\\\/\"},\"author\":{\"name\":\"L\u00e9on Martin\",\"@id\":\"https:\\\/\\\/bale.ch\\\/journal\\\/#\\\/schema\\\/person\\\/1796e5e6979d187b2e606b446a7bbd3c\"},\"headline\":\"Dans le Chablais savoyard, une d\u00e9ambulation festive pour dire non \u00e0 l\u2019autoroute A412\",\"datePublished\":\"2026-04-23T11:16:07+00:00\",\"dateModified\":\"2026-05-25T07:19:17+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/bale.ch\\\/journal\\\/chablais-manifestation-autoroute-thonon-machilly-a412\\\/\"},\"wordCount\":767,\"publisher\":{\"@id\":\"https:\\\/\\\/bale.ch\\\/journal\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/bale.ch\\\/journal\\\/chablais-manifestation-autoroute-thonon-machilly-a412\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/bale.ch\\\/journal\\\/wp-content\\\/uploads\\\/2024\\\/06\\\/a412_thonon_autoroute_perrignier.jpg\",\"keywords\":[\"Autoroute A412\",\"Chablais\",\"Gen\u00e8ve\",\"Haute-Savoie\",\"Transports\"],\"articleSection\":[\"Actualit\u00e9s\",\"Grand Gen\u00e8ve\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/bale.ch\\\/journal\\\/chablais-manifestation-autoroute-thonon-machilly-a412\\\/\",\"url\":\"https:\\\/\\\/bale.ch\\\/journal\\\/chablais-manifestation-autoroute-thonon-machilly-a412\\\/\",\"name\":\"Dans le Chablais savoyard, une d\u00e9ambulation festive pour dire non \u00e0 l\u2019autoroute A412 - 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