Giao l\u1ed9 (ng\u00e3 ba, ng\u00e3 t\u01b0 v.v.) l\u00e0 \u0111i\u1ec3m tr\u1ecdng y\u1ebfu c\u1ee7a giao th\u00f4ng, m\u1ed9t m\u1eb7t n\u00f3 thu\u1eadn ti\u1ec7n cho xe c\u1ed9 v\u00e0 ng\u01b0\u1eddi \u0111i b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh ph\u01b0\u01a1ng h\u01b0\u1edbng \u0111i l\u1ea1i, m\u1eb7t kh\u00e1c, v\u00ec \u1edf \u0111\u1ea7u \u0111\u01b0\u1eddng qu\u1ea3n l\u00fd b\u1eb1ng \u0111\u00e8n xanh \u0111\u00e8n \u0111\u1ecf, n\u00ean \u00edt nhi\u1ec1u \u0111\u00e3 l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng l\u01b0u th\u00f4ng c\u1ee7a \u0111\u01b0\u1eddng s\u00e1.<\/p>\n\n\n\n
Ph\u01b0\u01a1ng th\u1ee9c giao l\u1ed9 h\u00ecnh v\u00f2ng tr\u00f2n tuy c\u00f3 th\u1ec3 l\u00e0m d\u1ecbu b\u1edbt v\u1ea5n \u0111\u1ec1 \u00f9n t\u1eafc giao th\u00f4ng \u1edf n\u00fat \u0111\u01b0\u1eddng, nh\u01b0ng khi l\u01b0u th\u00f4ng xe qua giao l\u1ed9 qu\u00e1 l\u1edbn th\u00ec giao l\u1ed9 h\u00ecnh v\u00f2ng tr\u00f2n c\u0169ng t\u1ecf ra b\u1ea5t l\u1ef1c, theo ph\u00e2n t\u00edch, khi l\u01b0u l\u01b0\u1ee3ng xe qua giao l\u1ed9 \u0111\u1ea1t \u0111\u1ebfn 4000-6000 chi\u1ebfc\/gi\u1edd, th\u00ec ph\u1ea3i d\u00f9ng h\u00ecnh th\u1ee9c “giao l\u1ed9 l\u1eadp th\u1ec3” \u0111\u1ec3 gi\u1ea3i quy\u1ebft, ng\u01b0\u1eddi ta th\u01b0\u1eddng g\u1ecdi l\u00e0 “c\u1ea7u v\u01b0\u1ee3t”. T\u00ednh \u01b0u vi\u1ec7t l\u1edbn nh\u1ea5t c\u1ee7a n\u00f3 l\u00e0 \u1edf ch\u1ed7 tr\u00e1nh \u0111\u01b0\u1ee3c s\u1ef1 h\u1ea1n ch\u1ebf th\u1eddi gian c\u1ee7a \u0111\u00e8n xanh \u0111\u00e8n \u0111\u1ecf, c\u00e1c xe ch\u1ea1y theo c\u00e1c chi\u1ec1u kh\u00e1c nhau c\u00f3 th\u1ec3 ch\u1ea1y theo \u0111\u01b0\u1eddng c\u1ee7a m\u00ecnh, kh\u00f4ng \u1ea3nh h\u01b0\u1edfng l\u1eabn nhau.<\/p>\n\n\n\n
Trong c\u00e1c h\u00ecnh th\u1ee9c giao l\u1ed9 l\u1eadp th\u1ec3, kh\u1ea3 n\u0103ng l\u01b0u th\u00f4ng v\u00e0 ch\u1ee9c n\u0103ng c\u1ee7a giao l\u1ed9 l\u1eadp th\u1ec3 ki\u1ec3u k\u1ebft n\u1ed1i v\u1edbi nhau l\u00e0 t\u01b0\u01a1ng \u0111\u1ed1i ho\u00e0n thi\u1ec7n h\u01a1n c\u1ea3. Giao l\u1ed9 l\u1eadp th\u1ec3 ki\u1ec3u k\u1ebft n\u1ed1i v\u1edbi nhau c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 “n\u00fat l\u1eadp th\u1ec3”, n\u00f3 d\u00f9ng c\u00e1c \u0111\u01b0\u1eddng v\u00f2ng \u0111\u1ec3 k\u1ebft n\u1ed1i gi\u1eefa c\u00e1c con \u0111\u01b0\u1eddng v\u1edbi nhau: xe c\u1ed9 c\u00f3 th\u1ec3 th\u00f4ng qua c\u00e1c \u0111\u01b0\u1eddng v\u00f2ng m\u1ed9t c\u00e1ch thu\u1eadn ti\u1ec7n \u0111\u1ec3 thay \u0111\u1ed5i ph\u01b0\u01a1ng h\u01b0\u1edbng ch\u1ea1y xe \u1edf tr\u00ean c\u00e1c \u0111\u01b0\u1eddng c\u00f3 \u0111\u1ed9 cao v\u00e0 chi\u1ec1u kh\u00e1c nhau. Kh\u1ea3 n\u0103ng l\u01b0u th\u00f4ng c\u1ee7a “n\u00fat l\u1eadp th\u1ec3” n\u00e0y r\u1ea5t l\u1edbn, nh\u01b0ng chi\u1ebfm nhi\u1ec1u \u0111\u1ea5t, \u0111\u1ea7u t\u01b0 t\u1ed1n k\u00e9m h\u01a1n. C\u00f3 tr\u01b0\u1eddng h\u1ee3p c\u00f3 th\u1ec3 c\u0103n c\u1ee9 theo \u0111\u1eb7c \u0111i\u1ec3m th\u1ef1c t\u1ebf c\u1ee7a giao th\u00f4ng, nh\u01b0 h\u1ea1n ch\u1ebf xe r\u1ebd theo m\u1ed9t chi\u1ec1u n\u00e0o \u0111\u00f3, \u0111\u1ec3 b\u1ea3o \u0111\u1ea3m s\u1ef1 l\u01b0u th\u00f4ng c\u1ee7a xe c\u1ed9 tr\u00ean \u0111\u01b0\u1eddng ch\u00ednh, ho\u1eb7c gi\u1ea3m b\u1edbt m\u1ed9t ho\u1eb7c v\u00e0i \u0111\u01b0\u1eddng v\u00f2ng d\u00f9ng \u0111\u1ec3 ph\u00e2n lu\u1ed3ng xe, x\u00e2y th\u00e0nh giao l\u1ed9 l\u1eadp th\u1ec3 ki\u1ec3u kh\u00f4ng ho\u00e0n to\u00e0n k\u1ebft n\u1ed1i v\u1edbi nhau.<\/p>\n\n\n\n
V\u1ec1 h\u00ecnh th\u1ee9c thi\u1ebft k\u1ebf<\/a> v\u00e0 ch\u1ee9c n\u0103ng c\u1ee7a giao l\u1ed9 l\u1eadp th\u1ec3, ki\u1ec3u k\u1ebft n\u1ed1i v\u1edbi nhau, l\u1ea1i c\u00f3 th\u1ec3 chia th\u00e0nh nhi\u1ec1u lo\u1ea1i. Nh\u01b0 giao l\u1ed9 l\u1eadp th\u1ec3 ki\u1ec3u c\u1ecf linh l\u0103ng d\u00f9ng cho c\u00e1c \u0111\u01b0\u1eddng cao t\u1ed1c ho\u1eb7c \u0111\u01b0\u1eddng v\u00e0nh \u0111ai th\u00e0nh ph\u1ed1; giao l\u1ed9 l\u1eadp th\u1ec3 ki\u1ec3u loa k\u00e8n d\u00f9ng cho ng\u00e3 ba; giao l\u1ed9 l\u1eadp th\u1ec3 ki\u1ec3u \u0111\u1ecbnh h\u01b0\u1edbng c\u00f3 nhi\u1ec1u \u0111\u01b0\u1eddng cho xe chuy\u00ean d\u00f9ng, th\u01b0\u1eddng d\u00f9ng cho \u0111\u01b0\u1eddng cao t\u1ed1c; giao l\u1ed9 l\u1eadp th\u1ec3 ki\u1ec3u vu h\u1ed3i th\u01b0\u1eddng d\u00f9ng \u0111\u1ec3 k\u00e9o d\u00e0i tuy\u1ebfn \u0111\u01b0\u1eddng r\u1ebd tr\u00e1i c\u1ee7a xe c\u1ed9; giao l\u1ed9 l\u1eadp th\u1ec3 ki\u1ec3u h\u00ecnh v\u00f2ng r\u1ea5t th\u00edch h\u1ee3p v\u1edbi c\u00e1c \u0111\u1ea7u m\u1ed1i giao th\u00f4ng nhi\u1ec1u ng\u00e3, c\u00f3 th\u1ec3 b\u1ea3o \u0111\u1ea3m s\u1ef1 l\u01b0u th\u00f4ng c\u1ee7a xe ch\u1ea1y th\u1eb3ng tr\u00ean tr\u1ee5c \u0111\u01b0\u1eddng ch\u00ednh. Do \u0111\u00f3 c\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng c\u00e1c giao l\u1ed9 l\u1eadp th\u1ec3 k\u1ebft n\u1ed1i v\u1edbi nhau v\u1edbi nh\u1eefng h\u00ecnh th\u1ee9c kh\u00e1c nhau th\u00ec ch\u1ee9c n\u0103ng c\u1ee7a ch\u00fang c\u0169ng kh\u00e1c nhau, c\u1ea7n tu\u1ef3 theo t\u00ecnh h\u00ecnh giao th\u00f4ng th\u1ef1c t\u1ebf \u0111\u1ec3 thi\u1ebft k\u1ebf<\/a> x\u00e2y d\u1ef1ng.<\/p>\n\n\n\n N\u0103m 1928, bang New Jersey c\u1ee7a M\u1ef9 \u0111\u00e3 x\u00e2y d\u1ef1ng giao l\u1ed9 l\u1eadp th\u1ec3 k\u1ebft n\u1ed1i v\u1edbi nhau l\u1ea7n \u0111\u1ea7u ti\u00ean tr\u00ean th\u1ebf gi\u1edbi, n\u0103m 1985, th\u00e0nh ph\u1ed1 Thi\u00ean T\u00e2n, Trung Qu\u1ed1c x\u00e2y d\u1ef1ng giao l\u1ed9 l\u1eadp th\u1ec3 ba t\u1ea7ng ki\u1ec3u k\u1ebft n\u1ed1i v\u1edbi nhau. Hi\u1ec7n nay nhi\u1ec1u th\u00e0nh ph\u1ed1 c\u1ee7a Trung Qu\u1ed1c \u0111\u1ec1u \u0111\u00e3 x\u00e2y d\u1ef1ng giao l\u1ed9 l\u1eadp th\u1ec3 ki\u1ec3u k\u1ebft n\u1ed1i v\u1edbi nhau, c\u00f3 t\u00e1c d\u1ee5ng r\u1ea5t l\u1edbn trong vi\u1ec7c gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 giao th\u00f4ng ng\u00e0y c\u00e0ng \u00f9n t\u1eafc c\u1ee7a th\u00e0nh ph\u1ed1.<\/p>\n\n\n\n T\u1eeb kh\u00f3a: C\u1ea7u v\u01b0\u1ee3t, N\u00fat giao th\u00f4ng.<\/p>\n","protected":false},"excerpt":{"rendered":" Giao l\u1ed9 (ng\u00e3 ba, ng\u00e3 t\u01b0 v.v.) l\u00e0 \u0111i\u1ec3m tr\u1ecdng y\u1ebfu c\u1ee7a giao th\u00f4ng, m\u1ed9t m\u1eb7t n\u00f3 thu\u1eadn ti\u1ec7n cho xe c\u1ed9 v\u00e0 ng\u01b0\u1eddi \u0111i b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh ph\u01b0\u01a1ng h\u01b0\u1edbng \u0111i l\u1ea1i, m\u1eb7t kh\u00e1c, v\u00ec \u1edf \u0111\u1ea7u \u0111\u01b0\u1eddng qu\u1ea3n l\u00fd b\u1eb1ng \u0111\u00e8n xanh \u0111\u00e8n \u0111\u1ecf, n\u00ean \u00edt nhi\u1ec1u \u0111\u00e3 l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng l\u01b0u th\u00f4ng […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,16],"tags":[],"class_list":["post-9111","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-ky-thuat"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9111","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=9111"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9111\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=9111"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=9111"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=9111"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}