{"id":59101,"date":"2026-01-07T15:03:29","date_gmt":"2026-01-07T15:03:29","guid":{"rendered":"https:\/\/testsdmv.com\/study-guides\/massachusetts\/chapter-2\/"},"modified":"2026-03-19T16:01:04","modified_gmt":"2026-03-19T16:01:04","slug":"chapter-2","status":"publish","type":"page","link":"https:\/\/testsdmv.com\/vi\/study-guides\/massachusetts\/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 Massachusetts<\/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-4f33affe\">\n<p class=\"wp-block-paragraph\">Ki\u1ec3m so\u00e1t t\u1ed1c \u0111\u1ed9 xe l\u00e0 m\u1ed9t trong nh\u1eefng tr\u00e1ch nhi\u1ec7m quan tr\u1ecdng nh\u1ea5t c\u1ee7a b\u1ea5t k\u1ef3 ng\u01b0\u1eddi l\u00e1i xe n\u00e0o. Vi\u1ec7c hi\u1ec3u v\u00e0 tu\u00e2n th\u1ee7 lu\u1eadt v\u1ec1 t\u1ed1c \u0111\u1ed9 kh\u00f4ng ch\u1ec9 l\u00e0 \u0111\u1ec3 tr\u00e1nh b\u1ecb ph\u1ea1t; \u0111\u00f3 l\u00e0 v\u1ec1 vi\u1ec7c qu\u1ea3n l\u00fd c\u00e1c l\u1ef1c v\u1eadt l\u00fd quy\u1ebft \u0111\u1ecbnh kho\u1ea3ng c\u00e1ch d\u1eebng xe, m\u1ee9c \u0111\u1ed9 nghi\u00eam tr\u1ecdng c\u1ee7a v\u1ee5 va ch\u1ea1m, v\u00e0 kh\u1ea3 n\u0103ng ph\u1ea3n \u1ee9ng c\u1ee7a ng\u01b0\u1eddi l\u00e1i xe tr\u01b0\u1edbc c\u00e1c m\u1ed1i nguy hi\u1ec3m. N\u1eafm v\u1eefng c\u00e1c quy t\u1eafc n\u00e0y l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 v\u01b0\u1ee3t qua k\u1ef3 thi l\u00e1i xe v\u00e0, quan tr\u1ecdng h\u01a1n, \u0111\u1ec3 b\u1ea3o v\u1ec7 t\u00ednh m\u1ea1ng c\u1ee7a m\u1ecdi ng\u01b0\u1eddi 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\">Massachusetts ho\u1ea1t \u0111\u1ed9ng theo &#8220;Lu\u1eadt T\u1ed1c \u0111\u1ed9 C\u01a1 b\u1ea3n,&#8221; l\u00e0 nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n \u0111i\u1ec1u ch\u1ec9nh t\u1ea5t c\u1ea3 c\u00e1c t\u1ed1c \u0111\u1ed9 l\u00e1i xe. Lu\u1eadt n\u00e0y quy \u0111\u1ecbnh r\u1eb1ng ng\u01b0\u1eddi l\u00e1i xe kh\u00f4ng bao gi\u1edd \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n ph\u01b0\u01a1ng ti\u1ec7n v\u1edbi t\u1ed1c \u0111\u1ed9 l\u1edbn h\u01a1n m\u1ee9c h\u1ee3p l\u00fd v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi \u0111i\u1ec1u ki\u1ec7n hi\u1ec7n t\u1ea1i. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 gi\u1edbi h\u1ea1n t\u1ed1c \u0111\u1ed9 \u0111\u01b0\u1ee3c ni\u00eam y\u1ebft l\u00e0 m\u1ee9c t\u1ed1i \u0111a tuy\u1ec7t \u0111\u1ed1i \u0111\u01b0\u1ee3c ph\u00e9p trong ho\u00e0n c\u1ea3nh l\u00fd t\u01b0\u1edfng, kh\u00f4ng ph\u1ea3i l\u00e0 t\u1ed1c \u0111\u1ed9 b\u1eaft bu\u1ed9c ph\u1ea3i duy tr\u00ec.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ng\u01b0\u1eddi l\u00e1i xe ph\u1ea3i gi\u1ea3m t\u1ed1c \u0111\u1ed9 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n khi g\u1eb7p c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u00e1c nhau, b\u1ea5t k\u1ec3 gi\u1edbi h\u1ea1n \u0111\u01b0\u1ee3c ni\u00eam y\u1ebft. C\u00e1c \u0111i\u1ec1u ki\u1ec7n n\u00e0y bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Giao th\u00f4ng:<\/strong> T\u1eafc ngh\u1ebdn n\u1eb7ng, c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n di chuy\u1ec3n ch\u1eadm, ho\u1eb7c nh\u1eefng ng\u01b0\u1eddi l\u00e1i xe kh\u00f3 l\u01b0\u1eddng \u0111\u00f2i h\u1ecfi t\u1ed1c \u0111\u1ed9 th\u1ea5p h\u01a1n.<\/li>\n\n\n\n<li><strong>Th\u1eddi ti\u1ebft:<\/strong> M\u01b0a, s\u01b0\u01a1ng m\u00f9, tuy\u1ebft, ho\u1eb7c b\u0103ng l\u00e0m t\u0103ng \u0111\u00e1ng k\u1ec3 kho\u1ea3ng c\u00e1ch d\u1eebng xe v\u00e0 gi\u1ea3m t\u1ea7m nh\u00ecn.<\/li>\n\n\n\n<li><strong>\u0110i\u1ec1u ki\u1ec7n \u0111\u01b0\u1eddng s\u00e1:<\/strong> Ng\u01b0\u1eddi l\u00e1i xe ph\u1ea3i \u0111i ch\u1eadm tr\u00ean nh\u1eefng con \u0111\u01b0\u1eddng h\u1eb9p, kh\u00fac cua g\u1ea5p, b\u1ec1 m\u1eb7t s\u1ecfi, ho\u1eb7c nh\u1eefng con \u0111\u01b0\u1eddng trong t\u00ecnh tr\u1ea1ng s\u1eeda ch\u1eefa k\u00e9m.<\/li>\n\n\n\n<li><strong>T\u1ea7m nh\u00ecn:<\/strong> B\u00f3ng t\u1ed1i, \u00e1nh n\u1eafng ch\u00f3i, ho\u1eb7c b\u1ea5t c\u1ee9 \u0111i\u1ec1u g\u00ec h\u1ea1n ch\u1ebf kh\u1ea3 n\u0103ng nh\u00ecn xa v\u1ec1 ph\u00eda tr\u01b0\u1edbc \u0111\u1ec1u y\u00eau c\u1ea7u gi\u1ea3m t\u1ed1c \u0111\u1ed9.<\/li>\n\n\n\n<li><strong>Ng\u01b0\u1eddi \u0111i b\u1ed9 v\u00e0 ng\u01b0\u1eddi \u0111i xe \u0111\u1ea1p:<\/strong> S\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a 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, v\u00e0 c\u00e1c khu d\u00e2n c\u01b0, \u0111\u00f2i h\u1ecfi ph\u1ea3i t\u0103ng c\u01b0\u1eddng th\u1eadn tr\u1ecdng v\u00e0 \u0111i ch\u1eadm h\u01a1n.<\/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-1\/\" class=\"tdmv-nav-btn prev-btn\">< Ch\u01b0\u01a1ng tr\u01b0\u1edbc<\/a><a href=\"https:\/\/testsdmv.com\/vi\/study-guides\/massachusetts\/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>Ki\u1ec3m so\u00e1t t\u1ed1c \u0111\u1ed9 xe l\u00e0 m\u1ed9t trong nh\u1eefng tr\u00e1ch nhi\u1ec7m quan tr\u1ecdng nh\u1ea5t c\u1ee7a b\u1ea5t k\u1ef3 ng\u01b0\u1eddi l\u00e1i xe n\u00e0o. Vi\u1ec7c hi\u1ec3u v\u00e0 tu\u00e2n th\u1ee7 lu\u1eadt v\u1ec1 t\u1ed1c \u0111\u1ed9 kh\u00f4ng ch\u1ec9 l\u00e0 \u0111\u1ec3 tr\u00e1nh b\u1ecb ph\u1ea1t; \u0111\u00f3 l\u00e0 v\u1ec1 vi\u1ec7c qu\u1ea3n l\u00fd c\u00e1c l\u1ef1c v\u1eadt l\u00fd quy\u1ebft \u0111\u1ecbnh kho\u1ea3ng c\u00e1ch d\u1eebng xe, m\u1ee9c \u0111\u1ed9 &#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\/massachusetts\/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":55992,"menu_order":2,"comment_status":"open","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-59101","page","type-page","status-publish","has-post-thumbnail"],"_links":{"self":[{"href":"https:\/\/testsdmv.com\/vi\/wp-json\/wp\/v2\/pages\/59101","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=59101"}],"version-history":[{"count":0,"href":"https:\/\/testsdmv.com\/vi\/wp-json\/wp\/v2\/pages\/59101\/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=59101"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}