{"id":57416,"date":"2026-01-07T14:36:26","date_gmt":"2026-01-07T14:36:26","guid":{"rendered":"https:\/\/testsdmv.com\/study-guides\/california\/chapter-2\/"},"modified":"2026-03-19T08:29:11","modified_gmt":"2026-03-19T08:29:11","slug":"chapter-2","status":"publish","type":"page","link":"https:\/\/testsdmv.com\/vi\/study-guides\/california\/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 California<\/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 \u0111i\u1ec3m\/\u0111\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-d32acde0\">\n<p class=\"wp-block-paragraph\">Qu\u1ea3n l\u00fd t\u1ed1c \u0111\u1ed9 \u0111\u00fang c\u00e1ch l\u00e0 m\u1ed9t trong nh\u1eefng k\u1ef9 n\u0103ng quan tr\u1ecdng nh\u1ea5t \u0111\u1ec3 l\u00e1i xe an to\u00e0n. Hi\u1ec3u lu\u1eadt t\u1ed1c \u0111\u1ed9 c\u1ee7a California kh\u00f4ng ch\u1ec9 l\u00e0 \u0111\u1ec3 tr\u00e1nh b\u1ecb ph\u1ea1t; \u0111\u00f3 l\u00e0 v\u1ec1 vi\u1ec7c b\u1ea3o v\u1ec7 b\u1ea3n th\u00e2n, h\u00e0nh kh\u00e1ch v\u00e0 nh\u1eefng ng\u01b0\u1eddi kh\u00e1c b\u1eb1ng c\u00e1ch th\u00edch \u1ee9ng v\u1edbi c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u0111\u01b0\u1eddng s\u00e1, giao th\u00f4ng v\u00e0 th\u1eddi ti\u1ebft thay \u0111\u1ed5i. K\u1ef3 thi vi\u1ebft s\u1ebd ki\u1ec3m tra ki\u1ebfn th\u1ee9c c\u1ee7a b\u1ea1n v\u1ec1 c\u00e1c gi\u1edbi h\u1ea1n t\u1ed1c \u0111\u1ed9 c\u1ee5 th\u1ec3, b\u1eb1ng s\u1ed1, nh\u01b0ng l\u00e1i xe an to\u00e0n \u0111\u00f2i h\u1ecfi ph\u1ea3i \u00e1p d\u1ee5ng nguy\u00ean t\u1eafc bao qu\u00e1t c\u1ee7a Lu\u1eadt T\u1ed1c \u0111\u1ed9 C\u01a1 b\u1ea3n trong m\u1ecdi t\u00ecnh hu\u1ed1ng.<\/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\">Quy t\u1eafc c\u01a1 b\u1ea3n nh\u1ea5t li\u00ean quan \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 c\u1ee7a California l\u00e0 Lu\u1eadt T\u1ed1c \u0111\u1ed9 C\u01a1 b\u1ea3n. Lu\u1eadt n\u00e0y quy \u0111\u1ecbnh r\u1eb1ng ng\u01b0\u1eddi l\u00e1i xe kh\u00f4ng bao gi\u1edd \u0111\u01b0\u1ee3c l\u00e1i nhanh h\u01a1n m\u1ee9c an to\u00e0n cho c\u00e1c \u0111i\u1ec1u ki\u1ec7n hi\u1ec7n t\u1ea1i, b\u1ea5t k\u1ec3 gi\u1edbi h\u1ea1n t\u1ed1c \u0111\u1ed9 \u0111\u01b0\u1ee3c ni\u00eam y\u1ebft. Con s\u1ed1 tr\u00ean bi\u1ec3n b\u00e1o gi\u1edbi h\u1ea1n t\u1ed1c \u0111\u1ed9 cho bi\u1ebft t\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a h\u1ee3p ph\u00e1p trong \u0111i\u1ec1u ki\u1ec7n l\u00fd t\u01b0\u1edfng. N\u1ebfu \u0111i\u1ec1u ki\u1ec7n kh\u00f4ng l\u00fd t\u01b0\u1edfng, t\u1ed1c \u0111\u1ed9 an to\u00e0n v\u00e0 h\u1ee3p ph\u00e1p c\u00f3 th\u1ec3 th\u1ea5p h\u01a1n nhi\u1ec1u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c y\u1ebfu t\u1ed1 y\u00eau c\u1ea7u ng\u01b0\u1eddi l\u00e1i xe gi\u1ea3m t\u1ed1c \u0111\u1ed9 xu\u1ed1ng d\u01b0\u1edbi gi\u1edbi h\u1ea1n \u0111\u01b0\u1ee3c ni\u00eam y\u1ebft bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>M\u1eadt \u0111\u1ed9 giao th\u00f4ng:<\/strong> S\u1ed1 l\u01b0\u1ee3ng v\u00e0 t\u1ed1c \u0111\u1ed9 c\u1ee7a c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n kh\u00e1c tr\u00ean \u0111\u01b0\u1eddng. Giao th\u00f4ng \u0111\u00f4ng \u0111\u00fac \u0111\u00f2i h\u1ecfi t\u1ed1c \u0111\u1ed9 ch\u1eadm h\u01a1n.<\/li>\n\n\n\n<li><strong>Th\u1eddi ti\u1ebft:<\/strong> M\u01b0a, s\u01b0\u01a1ng m\u00f9, tuy\u1ebft, b\u0103ng ho\u1eb7c gi\u00f3 l\u1edbn \u0111\u1ec1u l\u00e0m gi\u1ea3m \u0111\u1ed9 b\u00e1m c\u1ee7a l\u1ed1p v\u00e0 t\u1ea7m nh\u00ecn, \u0111\u00f2i h\u1ecfi ph\u1ea3i gi\u1ea3m t\u1ed1c \u0111\u1ed9 \u0111\u00e1ng k\u1ec3.<\/li>\n\n\n\n<li><strong>T\u1ea7m nh\u00ecn:<\/strong> Ng\u01b0\u1eddi l\u00e1i xe ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng d\u1eebng l\u1ea1i trong kho\u1ea3ng c\u00e1ch h\u1ecd c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y ph\u00eda tr\u01b0\u1edbc. V\u00e0o ban \u0111\u00eam, ho\u1eb7c trong s\u01b0\u01a1ng m\u00f9 ho\u1eb7c m\u01b0a l\u1edbn, kho\u1ea3ng c\u00e1ch n\u00e0y ng\u1eafn h\u01a1n nhi\u1ec1u.<\/li>\n\n\n\n<li><strong>M\u1eb7t \u0111\u01b0\u1eddng:<\/strong> \u0110\u01b0\u1eddng \u01b0\u1edbt, \u0111\u00f3ng b\u0103ng, g\u1ed3 gh\u1ec1 ho\u1eb7c ph\u1ee7 s\u1ecfi ho\u1eb7c c\u00e1t cung c\u1ea5p \u0111\u1ed9 b\u00e1m k\u00e9m h\u01a1n so v\u1edbi m\u1eb7t \u0111\u01b0\u1eddng s\u1ea1ch, kh\u00f4.<\/li>\n\n\n\n<li><strong>Ng\u01b0\u1eddi \u0111i b\u1ed9 v\u00e0 ng\u01b0\u1eddi \u0111i xe \u0111\u1ea1p:<\/strong> Khi chia s\u1ebb \u0111\u01b0\u1eddng v\u1edbi nh\u1eefng ng\u01b0\u1eddi tham gia giao th\u00f4ng d\u1ec5 b\u1ecb t\u1ed5n th\u01b0\u01a1ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 g\u1ea7n c\u00e1c v\u1ea1ch sang \u0111\u01b0\u1eddng, c\u00f4ng vi\u00ean ho\u1eb7c tr\u01b0\u1eddng h\u1ecdc, ng\u01b0\u1eddi l\u00e1i xe ph\u1ea3i gi\u1ea3m t\u1ed1c \u0111\u1ed9 v\u00e0 chu\u1ea9n b\u1ecb d\u1eebng l\u1ea1i.<\/li>\n<\/ul>\n<\/div>\n\n\n<\/p>\n\n\n\n<div class=\"gb-element-3735b8d6\">\n<div>\n<p class=\"gb-text gb-text-61ea4bd9\">\ud83d\udd12<\/p>\n<\/div>\n\n\n\n<p class=\"gb-text\">\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\/california\/chapter-1\/\" class=\"tdmv-nav-btn prev-btn\">< Ch\u01b0\u01a1ng tr\u01b0\u1edbc<\/a><a href=\"https:\/\/testsdmv.com\/vi\/study-guides\/california\/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 \u0111\u00fang c\u00e1ch l\u00e0 m\u1ed9t trong nh\u1eefng k\u1ef9 n\u0103ng quan tr\u1ecdng nh\u1ea5t \u0111\u1ec3 l\u00e1i xe an to\u00e0n. Hi\u1ec3u lu\u1eadt t\u1ed1c \u0111\u1ed9 c\u1ee7a California kh\u00f4ng ch\u1ec9 l\u00e0 \u0111\u1ec3 tr\u00e1nh b\u1ecb ph\u1ea1t; \u0111\u00f3 l\u00e0 v\u1ec1 vi\u1ec7c b\u1ea3o v\u1ec7 b\u1ea3n th\u00e2n, h\u00e0nh kh\u00e1ch v\u00e0 nh\u1eefng ng\u01b0\u1eddi kh\u00e1c b\u1eb1ng c\u00e1ch th\u00edch \u1ee9ng v\u1edbi c\u00e1c \u0111i\u1ec1u ki\u1ec7n &#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\/california\/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":56012,"menu_order":2,"comment_status":"open","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-57416","page","type-page","status-publish","has-post-thumbnail"],"_links":{"self":[{"href":"https:\/\/testsdmv.com\/vi\/wp-json\/wp\/v2\/pages\/57416","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=57416"}],"version-history":[{"count":0,"href":"https:\/\/testsdmv.com\/vi\/wp-json\/wp\/v2\/pages\/57416\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/testsdmv.com\/vi\/wp-json\/wp\/v2\/pages\/56012"}],"wp:attachment":[{"href":"https:\/\/testsdmv.com\/vi\/wp-json\/wp\/v2\/media?parent=57416"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}