{"id":60001,"date":"2026-01-07T15:15:07","date_gmt":"2026-01-07T15:15:07","guid":{"rendered":"https:\/\/testsdmv.com\/study-guides\/new-jersey\/chapter-2\/"},"modified":"2026-03-20T06:53:42","modified_gmt":"2026-03-20T06:53:42","slug":"chapter-2","status":"publish","type":"page","link":"https:\/\/testsdmv.com\/vi\/study-guides\/new-jersey\/chapter-2\/","title":{"rendered":"Ch\u01b0\u01a1ng 2: Gi\u1edbi h\u1ea1n t\u1ed1c \u0111\u1ed9"},"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=\"#basic-speed-law\">Lu\u1eadt T\u1ed1c \u0111\u1ed9 C\u01a1 b\u1ea3n<\/a><\/li><li><a href=\"#default-speed-limits\">Gi\u1edbi h\u1ea1n T\u1ed1c \u0111\u1ed9 M\u1eb7c \u0111\u1ecbnh c\u1ee7a New Jersey<\/a><\/li><li><a href=\"#other-speed-rules\">C\u00e1c Quy t\u1eafc T\u1ed1c \u0111\u1ed9 Kh\u00e1c<\/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-0f6e52b6\">\n<p class=\"wp-block-paragraph\">Qu\u1ea3n l\u00fd t\u1ed1c \u0111\u1ed9 l\u00e0 m\u1ed9t trong nh\u1eefng tr\u00e1ch nhi\u1ec7m c\u01a1 b\u1ea3n v\u00e0 quan tr\u1ecdng nh\u1ea5t c\u1ee7a b\u1ea5t k\u1ef3 ng\u01b0\u1eddi l\u00e1i xe n\u00e0o. V\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n t\u1ed1c \u0111\u1ed9 ho\u1eb7c l\u00e1i xe qu\u00e1 nhanh so v\u1edbi \u0111i\u1ec1u ki\u1ec7n l\u00e0 nguy\u00ean nh\u00e2n h\u00e0ng \u0111\u1ea7u g\u00e2y ra c\u00e1c v\u1ee5 tai n\u1ea1n ch\u1ebft ng\u01b0\u1eddi, v\u00ec n\u00f3 l\u00e0m gi\u1ea3m th\u1eddi gian ph\u1ea3n \u1ee9ng c\u1ee7a ng\u01b0\u1eddi l\u00e1i v\u00e0 t\u0103ng m\u1ee9c \u0111\u1ed9 nghi\u00eam tr\u1ecdng c\u1ee7a m\u1ed9t v\u1ee5 va ch\u1ea1m. Hi\u1ec3u v\u00e0 tu\u00e2n th\u1ee7 lu\u1eadt t\u1ed1c \u0111\u1ed9 c\u1ee7a New Jersey kh\u00f4ng ch\u1ec9 l\u00e0 \u0111\u1ec3 tr\u00e1nh b\u1ecb ph\u1ea1t; \u0111\u00f3 l\u00e0 \u0111\u1ec3 b\u1ea3o v\u1ec7 t\u00ednh m\u1ea1ng c\u1ee7a b\u1ea1n v\u00e0 t\u00ednh m\u1ea1ng c\u1ee7a m\u1ecdi ng\u01b0\u1eddi kh\u00e1c tr\u00ean \u0111\u01b0\u1eddng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"basic-speed-law\">Lu\u1eadt T\u1ed1c \u0111\u1ed9 C\u01a1 b\u1ea3n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Lu\u1eadt T\u1ed1c \u0111\u1ed9 C\u01a1 b\u1ea3n c\u1ee7a New Jersey y\u00eau c\u1ea7u ng\u01b0\u1eddi l\u00e1i xe ph\u1ea3i l\u00e1i \u1edf t\u1ed1c \u0111\u1ed9 h\u1ee3p l\u00fd v\u00e0 th\u1eadn tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c \u0111i\u1ec1u ki\u1ec7n hi\u1ec7n c\u00f3. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 ng\u01b0\u1eddi l\u00e1i xe kh\u00f4ng bao gi\u1edd \u0111\u01b0\u1ee3c l\u00e1i nhanh h\u01a1n m\u1ee9c an to\u00e0n, b\u1ea5t k\u1ec3 gi\u1edbi h\u1ea1n t\u1ed1c \u0111\u1ed9 \u0111\u01b0\u1ee3c ni\u00eam y\u1ebft. Gi\u1edbi h\u1ea1n \u0111\u01b0\u1ee3c ni\u00eam y\u1ebft l\u00e0 t\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a tuy\u1ec7t \u0111\u1ed1i \u0111\u01b0\u1ee3c ph\u00e9p trong \u0111i\u1ec1u ki\u1ec7n l\u00fd t\u01b0\u1edfng, kh\u00f4ng ph\u1ea3i l\u00e0 t\u1ed1c \u0111\u1ed9 m\u1ee5c ti\u00eau ph\u1ea3i duy tr\u00ec m\u1ecdi l\u00fac.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ng\u01b0\u1eddi l\u00e1i xe ph\u1ea3i \u0111\u00e1nh gi\u00e1 t\u1ed1c \u0111\u1ed9 c\u1ee7a m\u00ecnh d\u1ef1a tr\u00ean m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 v\u00e0 gi\u1ea3m t\u1ed1c \u0111\u1ed9 cho ph\u00f9 h\u1ee3p. Vi\u1ec7c kh\u00f4ng \u0111i\u1ec1u ch\u1ec9nh theo c\u00e1c \u0111i\u1ec1u ki\u1ec7n n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi ph\u1ea1m, ngay c\u1ea3 khi \u0111ang l\u00e1i xe d\u01b0\u1edbi gi\u1edbi h\u1ea1n \u0111\u01b0\u1ee3c ni\u00eam y\u1ebft.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c \u0111i\u1ec1u ki\u1ec7n y\u00eau c\u1ea7u gi\u1ea3m t\u1ed1c \u0111\u1ed9 bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Th\u1eddi ti\u1ebft:<\/strong> M\u01b0a, s\u01b0\u01a1ng m\u00f9, tuy\u1ebft, ho\u1eb7c b\u0103ng l\u00e0m gi\u1ea3m t\u1ea7m nh\u00ecn v\u00e0 \u0111\u1ed9 b\u00e1m c\u1ee7a l\u1ed1p xe.<\/li>\n\n\n\n<li><strong>\u0110i\u1ec1u ki\u1ec7n \u0110\u01b0\u1eddng s\u00e1:<\/strong> \u0110\u01b0\u1eddng h\u1eb9p ho\u1eb7c quanh co, kh\u00fac cua g\u1ea5p, \u0111\u1ed3i, v\u00e0 b\u1ec1 m\u1eb7t g\u1ed3 gh\u1ec1 \u0111\u00f2i h\u1ecfi t\u1ed1c \u0111\u1ed9 ch\u1eadm h\u01a1n.<\/li>\n\n\n\n<li><strong>Giao th\u00f4ng:<\/strong> Giao th\u00f4ng \u0111\u00f4ng \u0111\u00fac ho\u1eb7c s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a ng\u01b0\u1eddi \u0111i b\u1ed9 v\u00e0 ng\u01b0\u1eddi \u0111i xe \u0111\u1ea1p \u0111\u00f2i h\u1ecfi s\u1ef1 c\u1ea9n tr\u1ecdng v\u00e0 t\u1ed1c \u0111\u1ed9 gi\u1ea3m h\u01a1n.<\/li>\n\n\n\n<li><strong>T\u1ea7m nh\u00ecn:<\/strong> B\u00f3ng t\u1ed1i ho\u1eb7c \u00e1nh n\u1eafng ch\u00f3i l\u00f3a c\u00f3 th\u1ec3 h\u1ea1n ch\u1ebf t\u1ea7m nh\u00ecn ph\u00eda tr\u01b0\u1edbc c\u1ee7a ng\u01b0\u1eddi l\u00e1i xe.<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>L\u1ed7i Th\u01b0\u1eddng G\u1eb7p:<\/strong><br>Nhi\u1ec1u ng\u01b0\u1eddi l\u00e1i xe coi gi\u1edbi h\u1ea1n t\u1ed1c \u0111\u1ed9 nh\u01b0 m\u1ed9t t\u1ed1c \u0111\u1ed9 t\u1ed1i thi\u1ec3u h\u1ecd ph\u1ea3i \u0111i. Lu\u1eadt ph\u00e1p y\u00eau c\u1ea7u b\u1ea1n kh\u00f4ng \u0111\u01b0\u1ee3c l\u00e1i nhanh h\u01a1n m\u1ee9c an to\u00e0n cho c\u00e1c \u0111i\u1ec1u ki\u1ec7n hi\u1ec7n t\u1ea1i, \u0111i\u1ec1u n\u00e0y th\u01b0\u1eddng c\u00f3 ngh\u0129a l\u00e0 l\u00e1i ch\u1eadm h\u01a1n t\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a \u0111\u01b0\u1ee3c ni\u00eam y\u1ebft.<\/p>\n<\/blockquote>\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\/new-jersey\/chapter-1\/\" class=\"tdmv-nav-btn prev-btn\">< Ch\u01b0\u01a1ng tr\u01b0\u1edbc<\/a><a href=\"https:\/\/testsdmv.com\/vi\/study-guides\/new-jersey\/chapter-3\/\" class=\"tdmv-nav-btn next-btn\">Ch\u01b0\u01a1ng sau ><\/a><\/nav>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Qu\u1ea3n l\u00fd t\u1ed1c \u0111\u1ed9 l\u00e0 m\u1ed9t trong nh\u1eefng tr\u00e1ch nhi\u1ec7m c\u01a1 b\u1ea3n v\u00e0 quan tr\u1ecdng nh\u1ea5t c\u1ee7a b\u1ea5t k\u1ef3 ng\u01b0\u1eddi l\u00e1i xe n\u00e0o. V\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n t\u1ed1c \u0111\u1ed9 ho\u1eb7c l\u00e1i xe qu\u00e1 nhanh so v\u1edbi \u0111i\u1ec1u ki\u1ec7n l\u00e0 nguy\u00ean nh\u00e2n h\u00e0ng \u0111\u1ea7u g\u00e2y ra c\u00e1c v\u1ee5 tai n\u1ea1n ch\u1ebft ng\u01b0\u1eddi, v\u00ec n\u00f3 l\u00e0m gi\u1ea3m &#8230; <a title=\"Ch\u01b0\u01a1ng 2: Gi\u1edbi h\u1ea1n t\u1ed1c \u0111\u1ed9\" class=\"read-more\" href=\"https:\/\/testsdmv.com\/vi\/study-guides\/new-jersey\/chapter-2\/\" aria-label=\"Read more about Ch\u01b0\u01a1ng 2: Gi\u1edbi h\u1ea1n t\u1ed1c \u0111\u1ed9\">Read more<\/a><\/p>\n","protected":false},"author":30,"featured_media":34219,"parent":55887,"menu_order":2,"comment_status":"open","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-60001","page","type-page","status-publish","has-post-thumbnail"],"_links":{"self":[{"href":"https:\/\/testsdmv.com\/vi\/wp-json\/wp\/v2\/pages\/60001","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=60001"}],"version-history":[{"count":0,"href":"https:\/\/testsdmv.com\/vi\/wp-json\/wp\/v2\/pages\/60001\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/testsdmv.com\/vi\/wp-json\/wp\/v2\/pages\/55887"}],"wp:attachment":[{"href":"https:\/\/testsdmv.com\/vi\/wp-json\/wp\/v2\/media?parent=60001"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}