{"id":59116,"date":"2026-01-07T15:03:29","date_gmt":"2026-01-07T15:03:29","guid":{"rendered":"https:\/\/testsdmv.com\/study-guides\/massachusetts\/chapter-5\/"},"modified":"2026-03-19T16:10:41","modified_gmt":"2026-03-19T16:10:41","slug":"chapter-5","status":"publish","type":"page","link":"https:\/\/testsdmv.com\/vi\/study-guides\/massachusetts\/chapter-5\/","title":{"rendered":"Ch\u01b0\u01a1ng 5: Bi\u1ec3n b\u00e1o v\u00e0 t\u00edn hi\u1ec7u"},"content":{"rendered":"\n<div>\n<div>\n<div class=\"dmv-lang-container\">\n    <div class=\"dmv-lang-links\">\n        \n<div role=\"navigation\" aria-label=\"Language Switcher\" class=\"wpml-ls-statics-shortcode_actions wpml-ls wpml-ls-legacy-list-horizontal\">\n\t<ul><li class=\"wpml-ls-slot-shortcode_actions wpml-ls-item wpml-ls-item-en wpml-ls-first-item wpml-ls-item-legacy-list-horizontal\">\n\t\t\t\t<a href=\"https:\/\/testsdmv.com\/\" hreflang=\"en\" lang=\"en\" class=\"wpml-ls-link\" aria-label=\"Switch to English\" title=\"Switch to English\">\n\t\t\t\t\t<span class=\"wpml-ls-native\">English<\/span><\/a>\n\t\t\t<\/li><li class=\"wpml-ls-slot-shortcode_actions wpml-ls-item wpml-ls-item-es wpml-ls-item-legacy-list-horizontal\">\n\t\t\t\t<a href=\"https:\/\/testsdmv.com\/es\/\" hreflang=\"es\" lang=\"es\" class=\"wpml-ls-link\" aria-label=\"Switch to Espa\u00f1ol\" title=\"Switch to Espa\u00f1ol\">\n\t\t\t\t\t<span class=\"wpml-ls-native\">Espa\u00f1ol<\/span><\/a>\n\t\t\t<\/li><li class=\"wpml-ls-slot-shortcode_actions wpml-ls-item wpml-ls-item-zh-hans wpml-ls-item-legacy-list-horizontal\">\n\t\t\t\t<a href=\"https:\/\/testsdmv.com\/zh-hans\/\" hreflang=\"zh-hans\" lang=\"zh-hans\" class=\"wpml-ls-link\" aria-label=\"Switch to \u7b80\u4f53\u4e2d\u6587\" title=\"Switch to \u7b80\u4f53\u4e2d\u6587\">\n\t\t\t\t\t<span class=\"wpml-ls-native\">\u7b80\u4f53\u4e2d\u6587<\/span><\/a>\n\t\t\t<\/li><li class=\"wpml-ls-slot-shortcode_actions wpml-ls-item wpml-ls-item-ko wpml-ls-item-legacy-list-horizontal\">\n\t\t\t\t<a href=\"https:\/\/testsdmv.com\/ko\/\" hreflang=\"ko\" lang=\"ko\" class=\"wpml-ls-link\" aria-label=\"Switch to \ud55c\uad6d\uc5b4\" title=\"Switch to \ud55c\uad6d\uc5b4\">\n\t\t\t\t\t<span class=\"wpml-ls-native\">\ud55c\uad6d\uc5b4<\/span><\/a>\n\t\t\t<\/li><li class=\"wpml-ls-slot-shortcode_actions wpml-ls-item wpml-ls-item-fil-ph wpml-ls-last-item wpml-ls-item-legacy-list-horizontal\">\n\t\t\t\t<a href=\"https:\/\/testsdmv.com\/fil-ph\/\" hreflang=\"fil-ph\" lang=\"fil-ph\" class=\"wpml-ls-link\" aria-label=\"Switch to Tagalog\" title=\"Switch to Tagalog\">\n\t\t\t\t\t<span class=\"wpml-ls-native\">Tagalog<\/span><\/a>\n\t\t\t<\/li><\/ul>\n<\/div>\n\n    <\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"gb-element-ccfc5d40\">\n<p class=\"gb-text gb-text-0f6f7956\">H\u00e3y s\u1eed d\u1ee5ng h\u01b0\u1edbng d\u1eabn n\u00e0y \u0111\u1ec3 chu\u1ea9n b\u1ecb cho k\u1ef3 thi v\u00e0 tham kh\u1ea3o s\u1ed5 tay ch\u00ednh th\u1ee9c \u0111\u1ec3 bi\u1ebft \u0111\u1ea7y \u0111\u1ee7 th\u00f4ng tin.<\/p>\n<\/div>\n\n\n\n<aside class=\"gb-element-67617362\">\n<div class=\"gb-accordion gb-accordion-025724cd\">\n<div class=\"gb-accordion__item gb-accordion__item-88eef01e gb-accordion__item-open\">\n<div role=\"button\" tabindex=\"0\" class=\"gb-accordion__toggle gb-accordion__toggle-760b9f99 gb-block-is-current\" id=\"gb-accordion-toggle-760b9f99\">\n<span class=\"gb-text\">Trong ch\u01b0\u01a1ng n\u00e0y:<\/span>\n\n\n\n<span class=\"gb-accordion__toggle-icon gb-accordion__toggle-icon-37c071d3\"><span class=\"gb-accordion__toggle-icon-open\"><svg aria-hidden=\"true\" viewBox=\"0 0 256 256\"><rect width=\"256\" height=\"256\" fill=\"none\"><\/rect><polyline points=\"208 96 128 176 48 96\" fill=\"none\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"16\"><\/polyline><\/svg><\/span><span class=\"gb-accordion__toggle-icon-close\"><svg aria-hidden=\"true\" viewBox=\"0 0 256 256\"><rect width=\"256\" height=\"256\" fill=\"none\"><\/rect><polyline points=\"48 160 128 80 208 160\" fill=\"none\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"16\"><\/polyline><\/svg><\/span><\/span>\n<\/div>\n\n\n\n<div class=\"gb-accordion__content\" id=\"gb-accordion-content-67669fb5\">\n<div class=\"gb-element-32d91237\"><nav class=\"chapter-nav-auto\" aria-label=\"Chapter sections\"><ul><li><a href=\"#sign-colors-shapes\">M\u00e0u s\u1eafc v\u00e0 H\u00ecnh d\u1ea1ng c\u1ee7a Bi\u1ec3n b\u00e1o<\/a><\/li><li><a href=\"#sign-categories\">C\u00e1c Lo\u1ea1i Bi\u1ec3n b\u00e1o<\/a><\/li><li><a href=\"#traffic-signals\">T\u00edn hi\u1ec7u Giao th\u00f4ng<\/a><\/li><li><a href=\"#pavement-markings\">V\u1ea1ch k\u1ebb \u0111\u01b0\u1eddng<\/a><\/li><li><a href=\"#quick-numbers\">B\u1ea3ng S\u1ed1 li\u1ec7u Nhanh<\/a><\/li><li><a href=\"#points-suspension\">B\u1ea3ng \u0110i\u1ec3m\/\u0110\u00ecnh ch\u1ec9<\/a><\/li><li><a href=\"#updates-today\">B\u1ea3ng C\u1eadp nh\u1eadt (H\u00f4m nay)<\/a><\/li><li><a href=\"#test-yourself\">T\u1ef1 ki\u1ec3m tra<\/a><\/li><\/ul><\/nav>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/aside>\n\n\n\n<div class=\"study-guide-content\">\n<div class=\"gb-element-fcdb0b06\">\n<p class=\"wp-block-paragraph\">Nh\u1eadn bi\u1ebft v\u00e0 tu\u00e2n th\u1ee7 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n giao th\u00f4ng l\u00e0 m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu c\u1ee7a vi\u1ec7c l\u00e1i xe. Nh\u1eefng bi\u1ec3n b\u00e1o, t\u00edn hi\u1ec7u v\u00e0 v\u1ea1ch k\u1ebb \u0111\u01b0\u1eddng n\u00e0y t\u1ea1o th\u00e0nh m\u1ed9t ng\u00f4n ng\u1eef ph\u1ed5 qu\u00e1t ch\u1ec9 d\u1eabn ng\u01b0\u1eddi l\u00e1i xe, c\u1ea3nh b\u00e1o v\u1ec1 c\u00e1c m\u1ed1i nguy hi\u1ec3m v\u00e0 cung c\u1ea5p th\u00f4ng tin c\u1ea7n thi\u1ebft, \u0111\u1ea3m b\u1ea3o lu\u1ed3ng giao th\u00f4ng an to\u00e0n v\u00e0 tr\u1eadt t\u1ef1. Kh\u1ea3 n\u0103ng c\u1ee7a ng\u01b0\u1eddi l\u00e1i xe \u0111\u1ec3 hi\u1ec3u ngay l\u1eadp t\u1ee9c v\u00e0 ph\u1ea3n \u1ee9ng ch\u00ednh x\u00e1c v\u1edbi c\u00e1c thi\u1ebft b\u1ecb n\u00e0y l\u00e0 n\u1ec1n t\u1ea3ng \u0111\u1ec3 v\u01b0\u1ee3t qua k\u1ef3 thi l\u00e1i xe v\u00e0 l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a vi\u1ec7c l\u00e1i xe ph\u00f2ng th\u1ee7, kh\u00f4ng tai n\u1ea1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"sign-colors-shapes\">M\u00e0u s\u1eafc v\u00e0 H\u00ecnh d\u1ea1ng c\u1ee7a Bi\u1ec3n b\u00e1o<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e0u s\u1eafc v\u00e0 h\u00ecnh d\u1ea1ng c\u1ee7a m\u1ed9t bi\u1ec3n b\u00e1o giao th\u00f4ng cung c\u1ea5p nh\u1eefng manh m\u1ed1i \u0111\u1ea7u ti\u00ean v\u00e0 quan tr\u1ecdng nh\u1ea5t v\u1ec1 \u00fd ngh\u0129a c\u1ee7a n\u00f3, th\u01b0\u1eddng cho ph\u00e9p ng\u01b0\u1eddi l\u00e1i xe hi\u1ec3u \u0111\u01b0\u1ee3c th\u00f4ng \u0111i\u1ec7p ngay c\u1ea3 tr\u01b0\u1edbc khi h\u1ecd c\u00f3 th\u1ec3 \u0111\u1ecdc \u0111\u01b0\u1ee3c v\u0103n b\u1ea3n. H\u1ec7 th\u1ed1ng n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 nh\u1eadn d\u1ea1ng nhanh ch\u00f3ng t\u1eeb xa.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">H\u00ecnh d\u1ea1ng Bi\u1ec3n b\u00e1o<\/h3>\n\n\n\n<img decoding=\"async\" width=\"768\" height=\"648\" class=\"gb-media-523dfe37\" alt=\"S\u01a1 \u0111\u1ed3 hi\u1ec3n th\u1ecb ch\u00edn h\u00ecnh d\u1ea1ng khung c\u1ee7a bi\u1ec3n b\u00e1o giao th\u00f4ng kh\u00e1c nhau bao g\u1ed3m h\u00ecnh b\u00e1t gi\u00e1c, h\u00ecnh tam gi\u00e1c ng\u01b0\u1ee3c, h\u00ecnh thoi, h\u00ecnh ng\u0169 gi\u00e1c, h\u00ecnh ch\u1eef nh\u1eadt d\u1ecdc, h\u00ecnh ch\u1eef nh\u1eadt ngang, h\u00ecnh c\u1edd \u0111u\u00f4i nheo, h\u00ecnh tr\u00f2n v\u00e0 h\u00ecnh ch\u1eef X.\" title=\"traffic-sign-shapes-meanings_vi\" src=\"https:\/\/testsdmv.com\/wp-content\/uploads\/2026\/02\/traffic-sign-shapes-meanings_vi-768x648.webp\" srcset=\"https:\/\/testsdmv.com\/wp-content\/uploads\/2026\/02\/traffic-sign-shapes-meanings_vi-768x648.webp 768w, https:\/\/testsdmv.com\/wp-content\/uploads\/2026\/02\/traffic-sign-shapes-meanings_vi-300x253.webp 300w, https:\/\/testsdmv.com\/wp-content\/uploads\/2026\/02\/traffic-sign-shapes-meanings_vi-1024x865.webp 1024w, https:\/\/testsdmv.com\/wp-content\/uploads\/2026\/02\/traffic-sign-shapes-meanings_vi.webp 1201w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>B\u00e1t gi\u00e1c (8 c\u1ea1nh) (Octagon)<\/strong> \u2014 Ch\u1ec9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho bi\u1ec3n b\u00e1o D\u1eeaNG (STOP).<\/li>\n\n\n\n<li><strong>Tam gi\u00e1c (ch\u1ec9 xu\u1ed1ng) (Triangle)<\/strong> \u2014 Ch\u1ec9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho bi\u1ec3n b\u00e1o NH\u01af\u1edcNG \u0110\u01af\u1edcNG (YIELD).<\/li>\n\n\n\n<li><strong>H\u00ecnh tr\u00f2n (Circle)<\/strong> \u2014 Ch\u1ec9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho bi\u1ec3n b\u00e1o C\u1ea3nh b\u00e1o S\u1edbm \u0110\u01b0\u1eddng s\u1eaft.<\/li>\n\n\n\n<li><strong>Ng\u0169 gi\u00e1c (5 c\u1ea1nh) (Pentagon)<\/strong> \u2014 \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng cho bi\u1ec3n b\u00e1o Khu v\u1ef1c Tr\u01b0\u1eddng h\u1ecdc v\u00e0 Giao c\u1eaft Tr\u01b0\u1eddng h\u1ecdc.<\/li>\n\n\n\n<li><strong>H\u00ecnh ch\u1eef nh\u1eadt (\u0111\u1ee9ng) (Rectangle (vertical))<\/strong> \u2014 Th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c bi\u1ec3n b\u00e1o Quy \u0111\u1ecbnh (v\u00ed d\u1ee5: Gi\u1edbi h\u1ea1n T\u1ed1c \u0111\u1ed9).<\/li>\n\n\n\n<li><strong>H\u00ecnh ch\u1eef nh\u1eadt (ngang) (Rectangle (horizontal))<\/strong> \u2014 Th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c bi\u1ec3n b\u00e1o H\u01b0\u1edbng d\u1eabn (v\u00ed d\u1ee5: ch\u1ec9 \u0111\u01b0\u1eddng, \u0111i\u1ec3m \u0111\u1ebfn).<\/li>\n\n\n\n<li><strong>H\u00ecnh thoi (Diamond)<\/strong> \u2014 \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c bi\u1ec3n b\u00e1o C\u1ea3nh b\u00e1o, ch\u1ec9 ra c\u00e1c m\u1ed1i nguy hi\u1ec3m ti\u1ec1m \u1ea9n ph\u00eda tr\u01b0\u1edbc (v\u00ed d\u1ee5: \u0111\u01b0\u1eddng cong, \u0111\u01b0\u1eddng tr\u01a1n).<\/li>\n\n\n\n<li><strong>C\u1edd \u0111u\u00f4i nheo (tam gi\u00e1c n\u1eb1m ngang) (Pennant)<\/strong> \u2014 \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c bi\u1ec3n b\u00e1o c\u1ea3nh b\u00e1o Khu v\u1ef1c C\u1ea5m V\u01b0\u1ee3t, \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf ph\u00eda b\u00ean tr\u00e1i c\u1ee7a \u0111\u01b0\u1eddng.<\/li>\n<\/ul>\n<\/div>\n\n\n<\/p>\n\n\n\n<div class=\"gb-element-3735b8d6\">\n<span class=\"gb-shape gb-shape-d1a7541a\"><svg viewBox=\"0 0 16 16\" class=\"bi bi-bookmark-star\" fill=\"currentColor\" height=\"16\" width=\"16\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n  <path d=\"M7.84 4.1a.178.178 0 0 1 .32 0l.634 1.285a.18.18 0 0 0 .134.098l1.42.206c.145.021.204.2.098.303L9.42 6.993a.18.18 0 0 0-.051.158l.242 1.414a.178.178 0 0 1-.258.187l-1.27-.668a.18.18 0 0 0-.165 0l-1.27.668a.178.178 0 0 1-.257-.187l.242-1.414a.18.18 0 0 0-.05-.158l-1.03-1.001a.178.178 0 0 1 .098-.303l1.42-.206a.18.18 0 0 0 .134-.098z\"><\/path>\n  <path d=\"M2 2a2 2 0 0 1 2-2h8a2 2 0 0 1 2 2v13.5a.5.5 0 0 1-.777.416L8 13.101l-5.223 2.815A.5.5 0 0 1 2 15.5zm2-1a1 1 0 0 0-1 1v12.566l4.723-2.482a.5.5 0 0 1 .554 0L13 14.566V2a1 1 0 0 0-1-1z\"><\/path>\n<\/svg><\/span>\n\n\n\n<p class=\"gb-text\">\ud83d\udd12 \u0110\u00e2y l\u00e0 n\u1ed9i dung Premium. Truy c\u1eadp n\u1ed9i dung b\u1ecb gi\u1edbi h\u1ea1n \u2014 c\u00e1c B\u00e0i thi DMV m\u1edf r\u1ed9ng, H\u01b0\u1edbng d\u1eabn h\u1ecdc t\u1eadp v\u00e0 b\u00e0i thi CDL.<\/p>\n\n\n\n<a class=\"gb-text gb-text-4785f37c\" href=\"https:\/\/testsdmv.com\/vi\/pricing\/\">Truy c\u1eadp G\u00f3i Premium<\/a>\n\n\n\n<p class=\"gb-text gb-text-95adcd10\"><em>\u0110\u00e3 mua? <a href=\"https:\/\/testsdmv.com\/vi\/sign-in\/\">\u0110\u0103ng nh\u1eadp<\/a><\/em><\/p>\n<\/div>\n\n\n<p>\n\n\n\n\n\n\n<div><nav class=\"tdmv-nav-container\" aria-label=\"Page navigation\"><a href=\"https:\/\/testsdmv.com\/vi\/study-guides\/massachusetts\/chapter-4\/\" class=\"tdmv-nav-btn prev-btn\">< Ch\u01b0\u01a1ng tr\u01b0\u1edbc<\/a><a href=\"https:\/\/testsdmv.com\/vi\/study-guides\/massachusetts\/chapter-6\/\" class=\"tdmv-nav-btn next-btn\">Ch\u01b0\u01a1ng sau ><\/a><\/nav>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Nh\u1eadn bi\u1ebft v\u00e0 tu\u00e2n th\u1ee7 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n giao th\u00f4ng l\u00e0 m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu c\u1ee7a vi\u1ec7c l\u00e1i xe. Nh\u1eefng bi\u1ec3n b\u00e1o, t\u00edn hi\u1ec7u v\u00e0 v\u1ea1ch k\u1ebb \u0111\u01b0\u1eddng n\u00e0y t\u1ea1o th\u00e0nh m\u1ed9t ng\u00f4n ng\u1eef ph\u1ed5 qu\u00e1t ch\u1ec9 d\u1eabn ng\u01b0\u1eddi l\u00e1i xe, c\u1ea3nh b\u00e1o v\u1ec1 c\u00e1c m\u1ed1i nguy hi\u1ec3m v\u00e0 cung c\u1ea5p th\u00f4ng &#8230; <a title=\"Ch\u01b0\u01a1ng 5: Bi\u1ec3n b\u00e1o v\u00e0 t\u00edn hi\u1ec7u\" class=\"read-more\" href=\"https:\/\/testsdmv.com\/vi\/study-guides\/massachusetts\/chapter-5\/\" aria-label=\"Read more about Ch\u01b0\u01a1ng 5: Bi\u1ec3n b\u00e1o v\u00e0 t\u00edn hi\u1ec7u\">Read more<\/a><\/p>\n","protected":false},"author":30,"featured_media":34219,"parent":55992,"menu_order":5,"comment_status":"open","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-59116","page","type-page","status-publish","has-post-thumbnail"],"_links":{"self":[{"href":"https:\/\/testsdmv.com\/vi\/wp-json\/wp\/v2\/pages\/59116","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/testsdmv.com\/vi\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/testsdmv.com\/vi\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/testsdmv.com\/vi\/wp-json\/wp\/v2\/users\/30"}],"replies":[{"embeddable":true,"href":"https:\/\/testsdmv.com\/vi\/wp-json\/wp\/v2\/comments?post=59116"}],"version-history":[{"count":0,"href":"https:\/\/testsdmv.com\/vi\/wp-json\/wp\/v2\/pages\/59116\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/testsdmv.com\/vi\/wp-json\/wp\/v2\/pages\/55992"}],"wp:attachment":[{"href":"https:\/\/testsdmv.com\/vi\/wp-json\/wp\/v2\/media?parent=59116"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}