{"id":1348,"date":"2026-05-27T11:42:33","date_gmt":"2026-05-27T09:42:33","guid":{"rendered":"https:\/\/nordicroadsafety.com\/?page_id=1348"},"modified":"2026-10-28T14:59:43","modified_gmt":"2026-10-28T13:59:43","slug":"en-1317-3","status":"publish","type":"page","link":"https:\/\/nrs.kreativa.dev\/fi\/en-1317-3\/","title":{"rendered":"EN 1317\u20133"},"content":{"rendered":"\n<p class=\"has-preamble-font-size wp-block-paragraph\"><strong>EN 1317-3<\/strong> k\u00e4sittelee t\u00f6rm\u00e4ysvaimentimia (crash cushion), niiden vaatimuksia, testausmenetelmi\u00e4 sek\u00e4 ominaisuuksien ilmoittamistapaa.<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Nopeusluokka<\/h2>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00f6rm\u00e4ysvaimentimen kyky pys\u00e4ytt\u00e4\u00e4 hallinnasta poistunut ajoneuvo m\u00e4\u00e4ritell\u00e4\u00e4n sen t\u00f6rm\u00e4yskest\u00e4vyysluokan avulla.<\/p>\n\n\n\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"976\" height=\"270\" src=\"https:\/\/nrs.kreativa.dev\/fi\/wp-content\/uploads\/sites\/4\/2026\/10\/omkrockd-kpcklass-big-en2.webp\" alt=\"\" class=\"wp-image-2113\" title=\"\" srcset=\"https:\/\/nrs.kreativa.dev\/fi\/wp-content\/uploads\/sites\/4\/2026\/10\/omkrockd-kpcklass-big-en2.webp 976w, https:\/\/nrs.kreativa.dev\/fi\/wp-content\/uploads\/sites\/4\/2026\/10\/omkrockd-kpcklass-big-en2-766x212.webp 766w, https:\/\/nrs.kreativa.dev\/fi\/wp-content\/uploads\/sites\/4\/2026\/10\/omkrockd-kpcklass-big-en2-300x83.webp 300w\" sizes=\"(max-width: 976px) 100vw, 976px\" \/><\/figure>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Testit<\/strong><\/h2>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<p class=\"wp-block-paragraph\">Standardi m\u00e4\u00e4rittelee <strong>18 erilaista testitilannetta<\/strong>. Testeist\u00e4 k\u00e4ytet\u00e4\u00e4n tunnusta <strong>TC (Test Crash Cushion)<\/strong>, jota seuraa kolminumeroinen tunnus.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tunnuksen ensimm\u00e4inen numero kuvaa l\u00e4hestymistapaa (1,2,3,4 tai 5), toinen numero ajoneuvotyyppi\u00e4 (1 = henkil\u00f6auto 900 kg, 2 = henkil\u00f6auto 1300 kg, 3 = henkil\u00f6auto 1500 kg) ja kolmas numero testinopeutta (50, 80, 100 tai 110 km\/h).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">E<strong>Esimerkkej\u00e4<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>TC 1.1.50<\/strong>\n<ul class=\"wp-block-list\">\n<li>L\u00e4hestymistapa 1<\/li>\n\n\n\n<li>Ajoneuvotyyppi 1 (900 kg henkil\u00f6auto)<\/li>\n\n\n\n<li>Nopeus 50 km\/h<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>TC 3.3.110<\/strong>\n<ul class=\"wp-block-list\">\n<li>L\u00e4hestymistapa\u00a0 3<\/li>\n\n\n\n<li>Ajoneuvotyyppi 3 (1500 kg henkil\u00f6auto)<\/li>\n\n\n\n<li>Nopeus 110 km\/h<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">L\u00e4hestymistapojen <strong><\/strong><strong>4 ja 5 testit<\/strong> suoritetaan vain <strong>ohjaaville t\u00f6rm\u00e4ysvaimentimille<\/strong> (redirective crash cushions).<\/p>\n\n\n\n\t\t<section class=\"bildmodal\">\n\t\t<figure class=\"bildmodal__figure\" style=\"max-width: 800px;\">\n\t\t\t<button\n\t\t\t\tclass=\"bildmodal__trigger\"\n\t\t\t\taria-label=\"Suurenna kuva\"\n\t\t\t\tdata-image-src=\"https:\/\/nrs.kreativa.dev\/fi\/wp-content\/uploads\/sites\/4\/2026\/10\/omkrockd-test-big-en.webp\"\n\t\t\t\tdata-image-alt=\"\"\n\t\t\t>\n\t\t\t\t<img decoding=\"async\" width=\"1259\" height=\"505\" src=\"https:\/\/nrs.kreativa.dev\/fi\/wp-content\/uploads\/sites\/4\/2026\/10\/omkrockd-test-big-en.webp\" class=\"attachment-full size-full\" alt=\"\" srcset=\"https:\/\/nrs.kreativa.dev\/fi\/wp-content\/uploads\/sites\/4\/2026\/10\/omkrockd-test-big-en.webp 1259w, https:\/\/nrs.kreativa.dev\/fi\/wp-content\/uploads\/sites\/4\/2026\/10\/omkrockd-test-big-en-300x120.webp 300w, https:\/\/nrs.kreativa.dev\/fi\/wp-content\/uploads\/sites\/4\/2026\/10\/omkrockd-test-big-en-1024x411.webp 1024w, https:\/\/nrs.kreativa.dev\/fi\/wp-content\/uploads\/sites\/4\/2026\/10\/omkrockd-test-big-en-768x308.webp 768w\" sizes=\"(max-width: 1259px) 100vw, 1259px\" title=\"\">\t\t\t<\/button>\n\t\t<\/figure>\n\n\t\t<div class=\"bildmodal__lightbox\" role=\"dialog\" aria-modal=\"true\" aria-label=\"Kuvan katselu\" hidden>\n\t\t\t<div class=\"bildmodal__lightbox-backdrop\"><\/div>\n\t\t\t<div class=\"bildmodal__lightbox-content\">\n\t\t\t\t<img decoding=\"async\" src=\"\" alt=\"\" class=\"bildmodal__lightbox-image\" title=\"\">\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/section>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Riskitasoluokka<\/strong><\/h2>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00f6rm\u00e4yksen riskitasoluokka kuvastaa, kuinka turvallinen t\u00f6rm\u00e4ysvaimennin on t\u00f6rm\u00e4\u00e4v\u00e4n ajoneuvon matkustajille.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Luokkia on kaksi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Luokka A<\/li>\n\n\n\n<li>Luokka B<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Luokka A tarjoaa paremman suojan ajoneuvon matkustajille ja on siten turvallisempi vaihtoehto kuin luokka B.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Useimmat markkinoilla olevat t\u00f6rm\u00e4ysvaimentimet t\u00e4ytt\u00e4v\u00e4t luokan B vaatimukset.<\/p>\n\n\n\n\t\t<section class=\"bildmodal\">\n\t\t<figure class=\"bildmodal__figure\" style=\"max-width: 400px;\">\n\t\t\t<button\n\t\t\t\tclass=\"bildmodal__trigger\"\n\t\t\t\taria-label=\"Suurenna kuva\"\n\t\t\t\tdata-image-src=\"https:\/\/nrs.kreativa.dev\/fi\/wp-content\/uploads\/sites\/4\/2026\/10\/omkrockd-skaderiskkl-en3.webp\"\n\t\t\t\tdata-image-alt=\"\"\n\t\t\t>\n\t\t\t\t<img decoding=\"async\" width=\"849\" height=\"107\" src=\"https:\/\/nrs.kreativa.dev\/fi\/wp-content\/uploads\/sites\/4\/2026\/10\/omkrockd-skaderiskkl-en3.webp\" class=\"attachment-full size-full\" alt=\"\" srcset=\"https:\/\/nrs.kreativa.dev\/fi\/wp-content\/uploads\/sites\/4\/2026\/10\/omkrockd-skaderiskkl-en3.webp 849w, https:\/\/nrs.kreativa.dev\/fi\/wp-content\/uploads\/sites\/4\/2026\/10\/omkrockd-skaderiskkl-en3-300x38.webp 300w, https:\/\/nrs.kreativa.dev\/fi\/wp-content\/uploads\/sites\/4\/2026\/10\/omkrockd-skaderiskkl-en3-768x97.webp 768w\" sizes=\"(max-width: 849px) 100vw, 849px\" title=\"\">\t\t\t<\/button>\n\t\t<\/figure>\n\n\t\t<div class=\"bildmodal__lightbox\" role=\"dialog\" aria-modal=\"true\" aria-label=\"Kuvan katselu\" hidden>\n\t\t\t<div class=\"bildmodal__lightbox-backdrop\"><\/div>\n\t\t\t<div class=\"bildmodal__lightbox-content\">\n\t\t\t\t<img decoding=\"async\" src=\"\" alt=\"\" class=\"bildmodal__lightbox-image\" title=\"\">\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/section>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Sivusiirtym\u00e4luokka<\/strong><\/h2>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00f6rm\u00e4ysvaimentimen pysyv\u00e4n sivusiirtym\u00e4n tulee olla alla olevan taulukon mukainen. Pysyv\u00e4\u00e4n sivusiirtym\u00e4\u00e4n lasketaan mukaan my\u00f6s irronneet osat, joiden massa on v\u00e4hint\u00e4\u00e4n 2 kg.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ruotsissa sivusiirtym\u00e4luokka tulee valita siten, ett\u00e4 vaurioitunut (t\u00f6rm\u00e4yksen kokenut) t\u00f6rm\u00e4ysvaimennin ei ulotu viereiselle ajokaistalle eik\u00e4 peit\u00e4 viereisest\u00e4 jalankulku- tai py\u00f6r\u00e4tiest\u00e4 enemp\u00e4\u00e4 kuin sen leveyden miinus yksi metri.<\/p>\n\n\n\n\t\t<section class=\"bildmodal\">\n\t\t<figure class=\"bildmodal__figure\" style=\"max-width: 600px;\">\n\t\t\t<button\n\t\t\t\tclass=\"bildmodal__trigger\"\n\t\t\t\taria-label=\"Suurenna kuva\"\n\t\t\t\tdata-image-src=\"https:\/\/nrs.kreativa.dev\/fi\/wp-content\/uploads\/sites\/4\/2026\/10\/omkrockd-utbklass-en4.webp\"\n\t\t\t\tdata-image-alt=\"\"\n\t\t\t>\n\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"982\" height=\"360\" src=\"https:\/\/nrs.kreativa.dev\/fi\/wp-content\/uploads\/sites\/4\/2026\/10\/omkrockd-utbklass-en4.webp\" class=\"attachment-full size-full\" alt=\"\" srcset=\"https:\/\/nrs.kreativa.dev\/fi\/wp-content\/uploads\/sites\/4\/2026\/10\/omkrockd-utbklass-en4.webp 982w, https:\/\/nrs.kreativa.dev\/fi\/wp-content\/uploads\/sites\/4\/2026\/10\/omkrockd-utbklass-en4-300x110.webp 300w, https:\/\/nrs.kreativa.dev\/fi\/wp-content\/uploads\/sites\/4\/2026\/10\/omkrockd-utbklass-en4-768x282.webp 768w\" sizes=\"(max-width: 982px) 100vw, 982px\" title=\"\">\t\t\t<\/button>\n\t\t<\/figure>\n\n\t\t<div class=\"bildmodal__lightbox\" role=\"dialog\" aria-modal=\"true\" aria-label=\"Kuvan katselu\" hidden>\n\t\t\t<div class=\"bildmodal__lightbox-backdrop\"><\/div>\n\t\t\t<div class=\"bildmodal__lightbox-content\">\n\t\t\t\t<img decoding=\"async\" src=\"\" alt=\"\" class=\"bildmodal__lightbox-image\" title=\"\">\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/section>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Uudelleenohjautuvuusluokka<\/strong><\/h2>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<p class=\"wp-block-paragraph\">Uudelleenohjautuvuusluokkakuvaa t\u00f6rm\u00e4ysvaimentimeen t\u00f6rm\u00e4nneen ajoneuvon k\u00e4ytt\u00e4ytymist\u00e4 t\u00f6rm\u00e4yksen j\u00e4lkeen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Suomessa ilman erillist\u00e4 lupaa hyv\u00e4ksyt\u00e4\u00e4n ainoastaan uudelleenohjautuvuusluokat <strong>Z1<\/strong> ja <strong>Z2<\/strong>. Tilaaja voi kuitenkin p\u00e4\u00e4tt\u00e4\u00e4, ett\u00e4 luokan Z3 tai Z4 mukaista t\u00f6rm\u00e4ysvaimenninta voidaan k\u00e4ytt\u00e4\u00e4, jos t\u00f6rm\u00e4ysvaimentimen takana ei ole toista v\u00e4yl\u00e4\u00e4 tai muita vaarakohtia.<\/p>\n\n\n\n\t\t<section class=\"bildmodal\">\n\t\t<figure class=\"bildmodal__figure\" style=\"max-width: 600px;\">\n\t\t\t<button\n\t\t\t\tclass=\"bildmodal__trigger\"\n\t\t\t\taria-label=\"Suurenna kuva\"\n\t\t\t\tdata-image-src=\"https:\/\/nrs.kreativa.dev\/fi\/wp-content\/uploads\/sites\/4\/2026\/10\/omkrockd-frdrlseklass-en5.webp\"\n\t\t\t\tdata-image-alt=\"\"\n\t\t\t>\n\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1234\" height=\"310\" src=\"https:\/\/nrs.kreativa.dev\/fi\/wp-content\/uploads\/sites\/4\/2026\/10\/omkrockd-frdrlseklass-en5.webp\" class=\"attachment-full size-full\" alt=\"\" srcset=\"https:\/\/nrs.kreativa.dev\/fi\/wp-content\/uploads\/sites\/4\/2026\/10\/omkrockd-frdrlseklass-en5.webp 1234w, https:\/\/nrs.kreativa.dev\/fi\/wp-content\/uploads\/sites\/4\/2026\/10\/omkrockd-frdrlseklass-en5-300x75.webp 300w, https:\/\/nrs.kreativa.dev\/fi\/wp-content\/uploads\/sites\/4\/2026\/10\/omkrockd-frdrlseklass-en5-1024x257.webp 1024w, https:\/\/nrs.kreativa.dev\/fi\/wp-content\/uploads\/sites\/4\/2026\/10\/omkrockd-frdrlseklass-en5-768x193.webp 768w\" sizes=\"(max-width: 1234px) 100vw, 1234px\" title=\"\">\t\t\t<\/button>\n\t\t<\/figure>\n\n\t\t<div class=\"bildmodal__lightbox\" role=\"dialog\" aria-modal=\"true\" aria-label=\"Kuvan katselu\" hidden>\n\t\t\t<div class=\"bildmodal__lightbox-backdrop\"><\/div>\n\t\t\t<div class=\"bildmodal__lightbox-content\">\n\t\t\t\t<img decoding=\"async\" src=\"\" alt=\"\" class=\"bildmodal__lightbox-image\" title=\"\">\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/section>\n","protected":false},"excerpt":{"rendered":"<p>EN 1317-3 k\u00e4sittelee t\u00f6rm\u00e4ysvaimentimia (crash cushion), niiden vaatimuksia, testausmenetelmi\u00e4 sek\u00e4 ominaisuuksien ilmoittamistapaa. Nopeusluokka T\u00f6rm\u00e4ysvaimentimen kyky pys\u00e4ytt\u00e4\u00e4 hallinnasta poistunut ajoneuvo m\u00e4\u00e4ritell\u00e4\u00e4n sen t\u00f6rm\u00e4yskest\u00e4vyysluokan avulla. Testit Standardi m\u00e4\u00e4rittelee 18 erilaista testitilannetta. Testeist\u00e4 k\u00e4ytet\u00e4\u00e4n tunnusta TC (Test Crash Cushion), jota seuraa kolminumeroinen tunnus. Tunnuksen ensimm\u00e4inen numero kuvaa l\u00e4hestymistapaa (1,2,3,4 tai 5), toinen numero ajoneuvotyyppi\u00e4 (1 = henkil\u00f6auto 900 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-med-sidpanel.php","meta":{"_acf_changed":false,"_trash_the_other_posts":false,"editor_notices":[],"footnotes":""},"class_list":["post-1348","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/nrs.kreativa.dev\/fi\/wp-json\/wp\/v2\/pages\/1348","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nrs.kreativa.dev\/fi\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/nrs.kreativa.dev\/fi\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/nrs.kreativa.dev\/fi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nrs.kreativa.dev\/fi\/wp-json\/wp\/v2\/comments?post=1348"}],"version-history":[{"count":15,"href":"https:\/\/nrs.kreativa.dev\/fi\/wp-json\/wp\/v2\/pages\/1348\/revisions"}],"predecessor-version":[{"id":2118,"href":"https:\/\/nrs.kreativa.dev\/fi\/wp-json\/wp\/v2\/pages\/1348\/revisions\/2118"}],"wp:attachment":[{"href":"https:\/\/nrs.kreativa.dev\/fi\/wp-json\/wp\/v2\/media?parent=1348"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}