{"id":1434,"date":"2022-08-26T06:51:37","date_gmt":"2022-08-26T06:51:37","guid":{"rendered":"https:\/\/www.trafficsolution.cn\/what-requirements-should-the-left-turn-signal-lamps-need-to-meet-in-road-installation\/"},"modified":"2022-08-26T06:51:37","modified_gmt":"2022-08-26T06:51:37","slug":"exigences-pour-linstallation-des-feux-de-signalisation-de-virage-a-gauche-sur-les-routes","status":"publish","type":"post","link":"https:\/\/www.trafficsolution.cn\/fr\/exigences-pour-linstallation-des-feux-de-signalisation-de-virage-a-gauche-sur-les-routes\/","title":{"rendered":"Quelles sont les exigences auxquelles les feux de virage \u00e0 gauche doivent satisfaire en cas d'installation sur route ?"},"content":{"rendered":"<p>La phase de virage \u00e0 gauche ind\u00e9pendant consiste \u00e0 donner au trafic de virage \u00e0 gauche une phase distincte autour du contr\u00f4le des feux de circulation. Dans cette phase, le trafic de virage \u00e0 gauche tourne \u00e0 gauche et arr\u00eate les v\u00e9hicules en ligne droite, ce qui r\u00e9duit le danger cach\u00e9 de retard du flux de trafic de virage \u00e0 gauche et de conflit avec le trafic direct. Comme le flux de trafic direct est plus important que le flux de trafic tournant \u00e0 gauche, la mise en place d'une phase de virage \u00e0 gauche s\u00e9par\u00e9e peut entra\u00eener une augmentation du retard global de l'intersection, il est donc n\u00e9cessaire de l'envisager de mani\u00e8re globale dans son application. En g\u00e9n\u00e9ral, nous pouvons nous r\u00e9f\u00e9rer aux trois aspects suivants.<\/p>\n<p>&nbsp;<\/p>\n<p>1. Les conditions ci-dessous doivent \u00eatre prises en compte et comprises avant d'installer la phase de virage \u00e0 gauche.<\/p>\n<p>a. S'il n'y a pas de voie de virage \u00e0 gauche sur la route, mettez d'abord en place une voie de virage \u00e0 gauche s\u00e9par\u00e9e et ne vous pr\u00e9cipitez pas pour mettre en place un signal de virage \u00e0 gauche.<\/p>\n<p>b. Si une seule voie de tourne-\u00e0-gauche ne permet pas de r\u00e9soudre le probl\u00e8me de circulation, il faut envisager de mettre en place une phase de tourne-\u00e0-gauche.<\/p>\n<p>c. L'influence de la phase de virage \u00e0 gauche dans le processus de contr\u00f4le coordonn\u00e9 de la signalisation.<\/p>\n<p>d. Recueillir autant que possible les rapports de synth\u00e8se sur les flux de trafic, la vitesse, les d\u00e9lais de virage \u00e0 gauche et les accidents.<\/p>\n<p>e. Enfin, il convient de se r\u00e9f\u00e9rer aux trois conditions suivantes, puis de r\u00e9fl\u00e9chir \u00e0 l'opportunit\u00e9 de mettre en place la phase de virage \u00e0 gauche.<\/p>\n<p>&nbsp;<\/p>\n<p>Si les conditions A, B et C suivantes peuvent \u00eatre remplies, cela indique que le r\u00e9glage de la phase de virage \u00e0 gauche peut avoir une certaine valeur, mais cela ne signifie pas que le r\u00e9glage de la phase de virage \u00e0 gauche est n\u00e9cessaire. Au contraire, cela devrait favoriser une \u00e9valuation technique plus pouss\u00e9e de la phase de virage \u00e0 gauche.<\/p>\n<p>&nbsp;<\/p>\n<p>Ligne directrice A : Trafic minimum aux heures de pointe<\/p>\n<p>1. La clause A se r\u00e9f\u00e8re au flux de trafic de virage \u00e0 gauche aux heures de pointe, qui est la condition principale pour juger de l'adoption de la phase de virage \u00e0 gauche. Cette clause contient les valeurs g\u00e9n\u00e9r\u00e9es par le flux de trafic de virage \u00e0 gauche et le flux de trafic de sens inverse, fournit l'intervalle entre les exigences de virage \u00e0 gauche et le flux de trafic de sens inverse, et d'autres parties sont des fonctions du flux de trafic.<\/p>\n<p>2. La clause A est satisfaite dans l'une des situations suivantes ou dans les deux :<\/p>\n<p>&nbsp;<\/p>\n<p>a. Le produit du volume de trafic du virage \u00e0 gauche et du flux de trafic d'une voie de passage oppos\u00e9e est sup\u00e9rieur \u00e0 50000 (VPH) ^ 2, et le produit du volume de trafic du virage \u00e0 gauche et du flux de trafic de deux voies de passage oppos\u00e9es est sup\u00e9rieur \u00e0 9000 (VPH) ^ 2.<\/p>\n<p>&nbsp;<\/p>\n<p>b. Lorsque la route principale est de 85% ou que la vitesse sp\u00e9cifi\u00e9e est de 70km\/h, le volume du trafic de virage \u00e0 gauche d\u00e9passe 80Vph ; ou lorsque 85% de la route principale ou que la vitesse sp\u00e9cifi\u00e9e d\u00e9passe 70km\/h, les v\u00e9hicules qui tournent \u00e0 gauche sont retard\u00e9s.<\/p>\n<p>&nbsp;<\/p>\n<p>Clause d'orientation B : retard des v\u00e9hicules tournant \u00e0 gauche<\/p>\n<p>1. Cette clause s'applique aux retards principalement caus\u00e9s par le trafic de virage \u00e0 gauche.<\/p>\n<p>2. Lorsque le retard des v\u00e9hicules tournant \u00e0 gauche est \u00e9gal ou sup\u00e9rieur \u00e0 deux v\u00e9hicules par heure (\u00e0 n'importe quelle heure d'un jour ouvrable moyen), cette clause est respect\u00e9e.<\/p>\n<p>&nbsp;<\/p>\n<p>Clause d'orientation C : Accidents<\/p>\n<p>Comme il n'y a pas de feux de signalisation pour les virages \u00e0 gauche, il y a plus de cinq accidents par an.<\/p>\n<p><\/p>\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>La phase de virage \u00e0 gauche ind\u00e9pendante consiste \u00e0 donner au trafic qui tourne \u00e0 gauche une phase distincte autour du contr\u00f4le des feux de circulation. Dans cette phase, le trafic de virage \u00e0 gauche est le trafic de virage \u00e0 gauche et\u2026<\/p>","protected":false},"author":1,"featured_media":1433,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"footnotes":""},"categories":[38,44],"tags":[],"class_list":["post-1434","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-industry-news"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What requirements should the left turn signal lamps need to meet in road installation\uff1f<\/title>\n<meta name=\"description\" content=\"The independent left turn phase refers to giving the left turn traffic a separate phase around the control of the road traffic lights. 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