{"id":21556,"date":"2026-09-11T15:04:53","date_gmt":"2026-09-11T13:04:53","guid":{"rendered":"https:\/\/www.clearsy.com\/?p=21556"},"modified":"2026-09-11T15:04:53","modified_gmt":"2026-09-11T13:04:53","slug":"the-temporary-signalling-server-gest-is-ready-for-deployment","status":"publish","type":"post","link":"https:\/\/www.clearsy.com\/en\/railway\/the-temporary-signalling-server-gest-is-ready-for-deployment\/","title":{"rendered":"The temporary signalling server (GEST) is ready for deployment"},"content":{"rendered":"<p><span data-contrast=\"auto\">One of the components of the ARGOS ERTMS Level 2 trackside signalling system, developed by Compagnie des Signaux \u2013 CSEE, is the temporary signalling server (GEST).<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559685&quot;:0,&quot;335559737&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">The GEST enables temporary restrictions to be safely implemented and removed on the tracks, in particular Temporary Speed Restrictions (TSRs) or special conditions relating to the railway infrastructure. As this information is taken into account by the signalling system, its management must meet SIL 2 safety requirements.<\/span><span data-ccp-props=\"{&quot;335559739&quot;:0}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Following an initial version certified in 2025, CLEARSY has developed a major new version of the GEST, incorporating new features whilst maintaining the required safety level. This update has now, in turn, obtained its SIL2 certification. This new version will be rolled out in France for SNCF R\u00e9seau.<\/span><span data-ccp-props=\"{&quot;335559739&quot;:0}\">\u00a0<\/span><\/p>\n<p><span data-ccp-props=\"{&quot;335559739&quot;:0}\">\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>One of the components of the ARGOS ERTMS Level 2 trackside signalling system, developed by Compagnie des Signaux \u2013 CSEE, [&hellip;]<\/p>\n","protected":false},"author":23,"featured_media":21552,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[681,682,1551],"tags":[],"class_list":["post-21556","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ertms-en","category-railway","category-surete-de-fonctionnement-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>The temporary signalling server (GEST) is ready for deployment - 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