{"id":4065,"date":"2026-05-23T06:59:54","date_gmt":"2026-05-23T06:59:54","guid":{"rendered":"https:\/\/bale.ch\/journal\/?p=4065"},"modified":"2026-05-23T07:10:49","modified_gmt":"2026-05-23T07:10:49","slug":"bale-projets-ferroviaires-herzstuck-euroairport-rer-trinational","status":"publish","type":"post","link":"https:\/\/bale.ch\/journal\/bale-projets-ferroviaires-herzstuck-euroairport-rer-trinational\/","title":{"rendered":"B\u00e2le acc\u00e9l\u00e8re ses projets ferroviaires: Herzst\u00fcck, A\u00e9roport, RER\u2026 ce qui va changer dans la r\u00e9gion"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>Face \u00e0 une croissance d\u00e9mographique soutenue, \u00e0 l\u2019augmentation des flux frontaliers et \u00e0 la saturation croissante du r\u00e9seau de transport, le canton de B\u00e2le-Ville mise plus que jamais sur le rail. Dans un document de synth\u00e8se consacr\u00e9 aux projets ferroviaires en cours, les autorit\u00e9s b\u00e2loises dressent la feuille de route des transformations attendues dans les prochaines ann\u00e9es autour du n\u0153ud ferroviaire b\u00e2lois. Au programme : renforcement du RER trinational, connexion ferroviaire de l\u2019EuroAirport, am\u00e9lioration des liaisons avec l\u2019Allemagne et cr\u00e9ation d\u2019un vaste r\u00e9seau plus rapide et plus fr\u00e9quent.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Au c\u0153ur de cette strat\u00e9gie figure le projet du \u00ab Herzst\u00fcck \u00bb, litt\u00e9ralement la \u00ab pi\u00e8ce ma\u00eetresse \u00bb du futur r\u00e9seau ferroviaire b\u00e2lois. Il s\u2019agit d\u2019une liaison souterraine appel\u00e9e \u00e0 relier directement les grandes gares de B\u00e2le et \u00e0 permettre un fonctionnement plus fluide du RER trinational. Aujourd\u2019hui, plusieurs trains doivent changer de direction dans les gares, ralentissant les trajets et limitant la fr\u00e9quence des dessertes. L\u2019objectif du Herzst\u00fcck est pr\u00e9cis\u00e9ment de supprimer ce verrou ferroviaire afin de permettre des lignes traversantes plus rapides, sans correspondance et sans rebroussement. Pour les autorit\u00e9s b\u00e2loises, ce tunnel constitue la condition essentielle \u00e0 un v\u00e9ritable saut d\u2019\u00e9chelle du r\u00e9seau transfrontalier entre la Suisse, la France et l\u2019Allemagne.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/bale.ch\/journal\/wp-content\/uploads\/2026\/05\/bild-entwicklung-infrastruktur.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"648\" src=\"https:\/\/bale.ch\/journal\/wp-content\/uploads\/2026\/05\/bild-entwicklung-infrastruktur-1024x648.jpg\" alt=\"\" class=\"wp-image-4067\" srcset=\"https:\/\/bale.ch\/journal\/wp-content\/uploads\/2026\/05\/bild-entwicklung-infrastruktur-1024x648.jpg 1024w, https:\/\/bale.ch\/journal\/wp-content\/uploads\/2026\/05\/bild-entwicklung-infrastruktur-300x190.jpg 300w, https:\/\/bale.ch\/journal\/wp-content\/uploads\/2026\/05\/bild-entwicklung-infrastruktur-768x486.jpg 768w, https:\/\/bale.ch\/journal\/wp-content\/uploads\/2026\/05\/bild-entwicklung-infrastruktur.jpg 1170w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019ambition est claire : rendre les d\u00e9placements transfrontaliers suffisamment simples et fr\u00e9quents pour concurrencer davantage la voiture dans une r\u00e9gion o\u00f9 plusieurs dizaines de milliers de personnes franchissent chaque jour les fronti\u00e8res pour travailler. Selon le canton, chaque franc investi dans les infrastructures ferroviaires g\u00e9n\u00e8re par ailleurs un b\u00e9n\u00e9fice \u00e9conomique pouvant atteindre jusqu\u2019\u00e0 cinq fois sa valeur, notamment via des gains de temps, une meilleure accessibilit\u00e9 et une r\u00e9duction des \u00e9missions par rapport au trafic routier.<\/p><div id=\"crieu-4252885490\" 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\">Un autre projet majeur concerne la desserte ferroviaire de l\u2019EuroAirport Basel-Mulhouse-Freiburg. Aujourd\u2019hui uniquement accessible par route, l\u2019a\u00e9roport pourrait \u00eatre reli\u00e9 au r\u00e9seau ferr\u00e9 via une nouvelle ligne connect\u00e9e au syst\u00e8me du RER trinational. Le sc\u00e9nario \u00e9tudi\u00e9 pr\u00e9voit notamment la circulation de deux lignes transfrontali\u00e8res : une ligne S2 entre Mulhouse, B\u00e2le et Liestal, et une ligne S4 reliant l\u2019EuroAirport \u00e0 Laufon, avec un passage toutes les trente minutes pour chacune. En y ajoutant les trains r\u00e9gionaux existants entre B\u00e2le et Strasbourg, les autorit\u00e9s esp\u00e8rent atteindre une fr\u00e9quence proche d\u2019un train toutes les dix minutes entre l\u2019a\u00e9roport, Saint-Louis et la gare centrale de B\u00e2le.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/bale.ch\/journal\/wp-content\/uploads\/2026\/05\/RER-de-Bale_Vision-cible-2035_Copyright-Trireno.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/bale.ch\/journal\/wp-content\/uploads\/2026\/05\/RER-de-Bale_Vision-cible-2035_Copyright-Trireno-1024x1024.jpg\" alt=\"\" class=\"wp-image-4068\" srcset=\"https:\/\/bale.ch\/journal\/wp-content\/uploads\/2026\/05\/RER-de-Bale_Vision-cible-2035_Copyright-Trireno-1024x1024.jpg 1024w, https:\/\/bale.ch\/journal\/wp-content\/uploads\/2026\/05\/RER-de-Bale_Vision-cible-2035_Copyright-Trireno-300x300.jpg 300w, https:\/\/bale.ch\/journal\/wp-content\/uploads\/2026\/05\/RER-de-Bale_Vision-cible-2035_Copyright-Trireno-150x150.jpg 150w, https:\/\/bale.ch\/journal\/wp-content\/uploads\/2026\/05\/RER-de-Bale_Vision-cible-2035_Copyright-Trireno-768x768.jpg 768w, https:\/\/bale.ch\/journal\/wp-content\/uploads\/2026\/05\/RER-de-Bale_Vision-cible-2035_Copyright-Trireno-1536x1536.jpg 1536w, https:\/\/bale.ch\/journal\/wp-content\/uploads\/2026\/05\/RER-de-Bale_Vision-cible-2035_Copyright-Trireno-2048x2048.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Ce projet reste n\u00e9anmoins politiquement sensible. La participation fran\u00e7aise au financement de la liaison a r\u00e9cemment \u00e9t\u00e9 suspendue, plongeant une partie du calendrier dans l\u2019incertitude, m\u00eame si B\u00e2le et les partenaires suisses continuent d\u2019affirmer leur volont\u00e9 de maintenir le projet sur les rails.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Du c\u00f4t\u00e9 allemand, le canton mise aussi sur une am\u00e9lioration importante des connexions ferroviaires. La ligne du Haut-Rhin reliant B\u00e2le \u00e0 Waldshut, Schaffhouse et Singen doit \u00eatre \u00e9lectrifi\u00e9e et modernis\u00e9e afin d\u2019offrir davantage de trains, plus de places et des liaisons directes renforc\u00e9es vers le nord-est de la Suisse et le sud de l\u2019Allemagne. Les autorit\u00e9s \u00e9voquent une cadence \u00e0 la demi-heure pour certains trains rapides ainsi qu\u2019un renforcement du RER transfrontalier.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00eame logique dans le Wiesental, entre B\u00e2le et L\u00f6rrach, o\u00f9 les lignes S5 et S6 devraient \u00eatre renforc\u00e9es face \u00e0 une fr\u00e9quentation croissante. Un quart d\u2019heure de fr\u00e9quence est pr\u00e9vu entre B\u00e2le Badischer Bahnhof et L\u00f6rrach Hauptbahnhof, accompagn\u00e9 d\u2019un nouvel arr\u00eat ferroviaire destin\u00e9 au futur h\u00f4pital central de L\u00f6rrach. \u00c0 Riehen, un d\u00e9bat reste ouvert sur un \u00e9ventuel enfouissement partiel de la ligne afin de limiter l\u2019impact urbain d\u2019un doublement des voies.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Au-del\u00e0 des infrastructures elles-m\u00eames, les autorit\u00e9s b\u00e2loises insistent sur une id\u00e9e simple : la croissance de la r\u00e9gion m\u00e9tropolitaine rend in\u00e9vitable une mont\u00e9e en puissance du rail. Le n\u0153ud ferroviaire de B\u00e2le est d\u00e9j\u00e0 l\u2019un des plus importants de Suisse et un carrefour europ\u00e9en majeur entre la France, l\u2019Allemagne et la Conf\u00e9d\u00e9ration. Sans investissements suppl\u00e9mentaires, pr\u00e9viennent le canton et ses partenaires, B\u00e2le risque de devenir un goulot d\u2019\u00e9tranglement autant pour les voyageurs du quotidien que pour les liaisons internationales.<\/p>\n<div id=\"crieu-2270810566\" 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>Face \u00e0 une croissance d\u00e9mographique soutenue, \u00e0 l\u2019augmentation des flux frontaliers et \u00e0 la saturation croissante du r\u00e9seau de transport, le canton de B\u00e2le-Ville mise plus que jamais sur le <a href=\"https:\/\/bale.ch\/journal\/bale-projets-ferroviaires-herzstuck-euroairport-rer-trinational\/\" 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":2,"featured_media":3973,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[103,7],"tags":[262,283,285,35],"class_list":["post-4065","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actu","category-bale","tag-bale-mulhouse-aeroport","tag-mobilite","tag-sbb-cff-ffs","tag-transports"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - 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