{"id":4528,"date":"2025-02-27T16:06:21","date_gmt":"2025-02-27T15:06:21","guid":{"rendered":"https:\/\/autate.fr\/site\/?p=4528"},"modified":"2025-02-27T16:06:22","modified_gmt":"2025-02-27T15:06:22","slug":"pollution-et-baisse-de-la-vitesse-sur-la-rn124","status":"publish","type":"post","link":"https:\/\/autate.fr\/site\/pollution-et-baisse-de-la-vitesse-sur-la-rn124\/","title":{"rendered":"Pollution et baisse de la vitesse sur la RN124"},"content":{"rendered":"\n<p>R\u00e9sum\u00e9 du rapport d&rsquo;Atmo Occitanie publi\u00e9 en octobre 2024 :<\/p>\n<p><strong>La limitation de la vitesse a un impact positif sur les concentrations d\u2019oxydes d\u2019azote au c\u0153ur de l\u2019axe de circulation<\/strong>, avec une diminution moyenne de l\u2019ordre de 1 \u03bcg\/m3 et pouvant aller jusqu\u2019\u00e0 9 \u03bcg\/m3 au maximum (soit <strong>18% de baisse<\/strong>). &#8230;..<br \/>Bien qu\u2019am\u00e9liorant significativement la qualit\u00e9 de l\u2019air localement, l\u2019air respir\u00e9 par les conducteurs de v\u00e9hicule au c\u0153ur de la voie continue de pr\u00e9senter des d\u00e9passements de la valeur limite r\u00e9glementaire actuelle pour la protection de la sant\u00e9, malgr\u00e9 la diminution de la vitesse. <br \/>En revanche, aucune habitation \u00e0 proximit\u00e9 de l\u2019axe routier n\u2019est concern\u00e9e par un d\u00e9passement de la valeur limite actuelle que ce soit avec ou sans restriction de vitesse.<br \/>N\u00e9anmoins, au regard de la valeur limite propos\u00e9e pour 2030 par la Commission Europ\u00e9enne fix\u00e9e \u00e0 20 \u03bcg\/m3, Atmo Occitanie a estim\u00e9 jusqu\u2019\u00e0 100 personnes expos\u00e9es \u00e0 un d\u00e9passement de cette nouvelle valeur r\u00e9glementaire, avec ou sans restriction de vitesse.<br \/><strong>La baisse de vitesse permet de r\u00e9duire les \u00e9missions annuelles d\u2019oxydes d\u2019azote (NOx) du transport <\/strong><strong>routier sur le tron\u00e7on \u00e9tudi\u00e9 de la RN124 de 13 tonnes sur un an (-11%). Elle permet \u00e9galement une <\/strong><strong>\u00e9conomie de carburant de 4% se traduisant par une baisse des \u00e9missions de gaz \u00e0 effet de serre (GES) similaire, soit 1,8 kilotonnes d\u2019\u00e9quivalent CO2 \u00e9vit\u00e9es chaque ann\u00e9e, l\u2019\u00e9quivalent des \u00e9missions li\u00e9es au dispositif de chauffage de 1 300 m\u00e9nages1 de l\u2019agglom\u00e9ration toulousaine.<br \/><\/strong>Le dossier complet est\u00a0<strong><a href=\"https:\/\/www.atmo-occitanie.org\/sites\/default\/files\/publications\/2024-10\/ETU-2023-168%20-%20Evaluation%20de%20l%27impact%20de%20la%20baisse%20de%20la%20vitesse%20de%20110%20%C3%A0%2090%20sur%20la%20RN124.pdf\" target=\"_blank\" rel=\"noopener\">ICI<\/a><br \/><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>R\u00e9sum\u00e9 du rapport d&rsquo;Atmo Occitanie publi\u00e9 en octobre 2024 : La limitation de la vitesse a un impact positif sur les concentrations d\u2019oxydes d\u2019azote au c\u0153ur de l\u2019axe de circulation, avec une diminution moyenne de l\u2019ordre de 1 \u03bcg\/m3 et pouvant aller jusqu\u2019\u00e0 9 \u03bcg\/m3 au maximum (soit 18% de baisse). &#8230;..Bien qu\u2019am\u00e9liorant significativement la<\/p>\n<p class=\"more-link\"><a href=\"https:\/\/autate.fr\/site\/pollution-et-baisse-de-la-vitesse-sur-la-rn124\/\" class=\"themebutton2\">VOIR PLUS<\/a><\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[525,442],"tags":[],"class_list":["post-4528","post","type-post","status-publish","format-standard","hentry","category-pdm","category-pollution"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - 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