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<h1 class="content-title">
Bagaimana Sejarah Perkembangan Lampu Lalu Lintas? </h1>
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<p class="content-author"><a href="https://www.ruangguru.com/blog/author/tedy-rizkha-heryansyah" class="">Tedy Rizkha Heryansyah</a> </p>
<p class="content-info"><span>December 29, 2025 • </span> <span>3 minutes read</span></p>
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<p style="text-align: justify;"><img decoding="async" class="size-medium aligncenter" src="https://cdn-web-2.ruangguru.com/landing-pages/assets/434ae5ae-e8fa-4a93-8e58-d8fcbf265f69.png" alt="Sejarah Perkembangan Lampu Lalu Lintas" /></p>
<p style="text-align: center;"><em>Artikel kali ini akan menjelaskan sejarah perkembangan lampu lalu lintas di dunia. Penasaran seperti apa perkembangannya? Simak penjelasannya di artikel berikut ini.</em></p>
<p style="text-align: center;">—</p>
<p> </p>
<p style="text-align: justify;">Di beberapa persimpangan jalan, kadang masih saja ada pengendara yang tidak mematuhi lampu lalu lintas. Kamu pernah ngeliat ngga pelanggaran menerobos lampu lalu lintas? Banyak atau sedikit sih pelanggaran tersebut?</p>
<p style="text-align: justify;">Contohnya, lampu sudah merah nih, tapi masih aja jalan terus. Makanya ngga jarang ada pemberitaan kalau sering terjadi kecelakaan bahkan tabrakan antarkendaraan.</p>
<p style="text-align: justify;">Ngomong-ngomong soal lampu lalu lintas, ada yang tahu kenapa warnanya merah, kuning, dan hijau? Kok ngga hijau, kuning, kelabu, merah muda, dan biru?</p>
<p style="text-align: justify;">Oke..oke…jangan nyanyi. Ini bukan lirik lagu, tapi artikel. Kita lanjut ya.</p>
<p> </p>
<h2 style="text-align: justify;"><span style="font-size: 18pt;">Awal Mula Terciptanya Lampu Lalu Lintas</span></h2>
<p style="text-align: justify;">Begini teman-teman, pertama tuh harus kita pahami bahwa fungsi si lampu lalu lintas ini ya untuk mengatur lalu lintas. Coba bayangin, di kota-kota besar seperti Jakarta contohnya, kalau ngga ada lampu lalu lintas gimana tuh? Pastinya bakalan kacau deh. Macet di persimpangan jalan kan?</p>
<p style="text-align: justify;">Nah, kemacetan inilah yang menjadikan awal mula sejarah terciptanya lampu lalu lintas. Di tahun 1868, tepatnya di Inggris, mulai dibuat lampu tersebut. Lampu itu memberikan tanda “Stop” dan ”Go” di siang hari. Saat malam, baru berganti menjadi merah dan hijau. Lampu ini berbahan bakar gas untuk menyalakannya. Oleh karena itu, ditempatkan 1 penjaga untuk memantau jalannya lampu tersebut</p>
<p><img decoding="async" style="width: 600px; display: block; margin: 0px auto;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/lampu%20tahukah%20kamu.png" alt="cara kerja lampu lalu lintas" width="600" /></p>
<p> </p>
<p style="text-align: justify;">Empat puluh tahun setelah insiden celakanya petugas penjaga sinyal, di Amerika Serikat mulai nge-<em>trend</em> lagi nih persaingan pembuatan sinyal lalu lintas. Di awal tahun 1900-an beberapa orang berusaha mematenkan hak cipta sinyal lampu lalu lintas tersebut. Ada beberapa orang yang cukup menyita perhatian kala itu atas ide dasarnya membuat sinyal lampu lalu lintas yang lebih modern.</p>
<p><strong>Baca Juga: <a href="https://blog.ruangguru.com/kerikil-di-rel-kereta">Apa Fungsi Kerikil di Rel Kereta Api?</a></strong></p>
<p> </p>
<h2 style="text-align: justify;"><span style="font-size: 18pt;">Siapa Penemu Lampu Lalu Lintas?</span></h2>
<p style="text-align: justify;">Di tahun 1910, Ernest Sirrine, membuat sebuah pengatur sinyal di Chicago. Ia menggunakan dua lengan yang tidak bercahaya diletakkan pada sebuah tiang. Lengan tersebut berotasi pada satu sumbu dan menampilkan tanda “Stop” dan “Proceed”. Dua tahun setelahnya, 1912, dipatenkan lampu lalu lintas otomatis pertama oleh Lester Farnsworth Wire di Utah, Amerika Serikat. Lampu yang ia patenkan, masih memiliki dua warna, merah dan hijau.</p>
<p style="text-align: justify;">William Ghiglieri yang berasal dari San Fransisco, Amerika Serikat. Di tahun 1917, dia mematenkan lampu lalu lintas otomatis yang dia ciptakan. Lampu lalu lintas Ghiglieri ini memiliki pilihan dalam pengoperasiannya. Bisa digunakan secara manual atau otomatis. Untuk warna di lampu lalu lintas ini, masih menggunakan dua warna, yakni warna merah dan warna hijau.</p>
<p style="text-align: justify;">Tiga tahun setelah, 1920, polisi asal Detroit, Amerika Serikat, William Potts, mengembangkan lampu lalu lintas yang dioperasikan secara otomatis. Di tangan Potts inilah, ia mengembangkan tiga warna dalam lampu lalu lintas yang hingga kini tetap dipakai yakni warna kuning (sebagai tanda untuk hati-hati). Sepuluh tahun kemudian, John Allen, juga mematenkan lampu lalu lintas tapi khusus untuk pejalan kaki. Itu lho, yang ada tombolnya kalau buat nyebrang. Mau nyebrang terus tombolnya kamu pencet, nanti simbol pejalan kaki menjadi warna hijau, dan lampu lalu lintas yang menghadap ke kendaraan akan berubah menjadi warna merah.</p>
<p style="text-align: justify;"><strong>Baca Juga: <a href="https://www.ruangguru.com/blog/penemu-lampu-lalu-lintas">Penemu Lampu Lalu Lintas, John Peake Knight Atau Garrett Morgan?</a></strong></p>
<p><img decoding="async" style="width: 600px; display: block; margin: 0px auto;" src="https://cdn-web.ruangguru.com/landing-pages/assets/hs/lampu%20infografik.png" alt="Sejarah lampu lalu lintas" width="600" /></p>
<p style="text-align: center;">—</p>
<p style="text-align: justify;">Itu tadi sejarah singkat perkembangan lampu lalu lintas. Semoga bisa menambah informasi pengetahuan kamu. Semangat terus belajar di ruangguru ya. Kalau kamu punya tugas yang sulit dijawab, yuk tanyain langsung sama tutor di <strong><a href="https://www.ruangguru.com/privat">Ruangguru Privat</a></strong>. Tinggal foto dan tunggu tutor yang bersedia menjawab kesulitan kamu. Info lebih lanjut bisa klik gambar di bawah ini.</p>
<p><a href="https://cta.ruangguru.com/blog-rg10-privat"><img decoding="async" class="aligncenter size-medium" src="https://cdn-web-2.ruangguru.com/landing-pages/assets/6ed2fe9f-c80a-4e5a-9cfa-d92dfcbab67b.png" alt="CTA Ruangguru Privat" /></a></p>
<p><em>Artikel ini pertama kali diterbitkan 2 April 2020, kemudian diperbarui.</em></p>
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<nav class="footer-menu">
<p class="title">Produk Lainnya</p>
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</nav>
</div>
<div class="col-6 col-md-3">
<nav class="footer-menu">
<p class="title"> Coba GRATIS Aplikasi Ruangguru</p>
<div class="download-list">
<ul>
<li>
<a target="_blank" rel="nofollow" href="https://apps.apple.com/id/app/ruangguru-solusi-belajar/id1099742206?l=id">
<img src="https://cdn-web-2.ruangguru.com/static/appstore.png" loading="lazy" alt="Button App Store Footer " />
</a>
</li>
<li>
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<img src="https://cdn-web-2.ruangguru.com/static/googleplay.png" loading="lazy" alt="Button Google Play Footer " />
</a>
</li>
<li>
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<img src="https://cdn-web-2.ruangguru.com/static/huawei.png" loading="lazy" alt="Button AppGallery Footer " />
</a>
</li>
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</div>
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</div>
<div class="d-lg-none text-center">
<nav class="footer-menu social">
<p class="title">Ikuti Kami</p>
<a target="_blank" href="https://www.instagram.com/ruangguru/">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/instagram.png?height=60&convert=webp" type="image/webp">
<source srcset="https://cdn-web-2.ruangguru.com/static/instagram.png?height=60" type="image/png">
<img src="https://cdn-web-2.ruangguru.com/static/instagram.png" loading="lazy" alt="Logo Instagram Footer" width="32px" height="32px" />
</picture>
</a>
<a target="_blank" href="https://www.facebook.com/ruanggurucom/">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/facebook.png?height=60&convert=webp" type="image/webp">
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</picture>
</a>
<a target="_blank" href="https://twitter.com/ruangguru/">
<picture>
<source srcset="https://cdn-web-2.ruangguru.com/static/twitter.png?height=60&convert=webp" type="image/webp">
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</picture>
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</picture>
</a>
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</picture>
</a>
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</picture>
</a>
</nav>
</div>
<p class="footer-copyright">
© 2026 All Rights Reserved PT. Ruang Raya Indonesia
</p>
</div>
<style>
.bantuan-container {
position: relative;
}
.bantuan-element {
position: fixed;
z-index: 999;
display: flex;
align-items: flex-end;
justify-content: flex-end;
cursor: pointer;
transition: all 0.6s ease;
}
.bantuan-top {
bottom: 11rem;
right: 2rem;
}
.bantuan-bottom {
bottom: 2rem;
right: 2rem;
}
.bantuan-top-2 {
bottom: 15rem;
right: 2rem;
}
.bantuan-top-3 {
bottom: 19rem;
right: 2rem;
}
.bantuan-bottom-2 {
bottom: 5rem;
right: 2rem;
}
.bantuan-bottom-3 {
bottom: 8rem;
right: 2rem;
}
@media (min-width: 768px) {
.bantuan-element img {
width: auto;
transition: all 0.4s ease;
}
.bantuan-top img {
width: 140px;
}
.bantuan-bottom img {
width: 140px;
}
.bantuan-top-2 img,
.bantuan-top-3 img {
width: 140px;
}
.bantuan-bottom-2 img,
.bantuan-bottom-3 img {
width: 140px;
}
.bantuan-element.clicked {
bottom: 9rem;
right: 2.5rem;
}
.bantuan-element.clicked img {
width: auto;
height: 64px;
}
}
@media (max-width: 767px) {
.bantuan-top {
bottom: 8rem;
right: 1rem;
align-items: center;
}
.bantuan-bottom {
bottom: 2rem;
right: 1.25rem;
align-items: center;
}
.bantuan-top-2 {
bottom: 12rem;
right: 1rem;
align-items: center;
}
.bantuan-top-3 {
bottom: 16rem;
right: 1rem;
align-items: center;
}
.bantuan-bottom-2 {
bottom: 5rem;
right: 1.25rem;
align-items: center;
}
.bantuan-bottom-3 {
bottom: 8rem;
right: 1.25rem;
align-items: center;
}
.bantuan-element img {
width: auto;
}
.bantuan-top img,
.bantuan-top-2 img,
.bantuan-top-3 img {
width: 96px;
}
.bantuan-bottom img,
.bantuan-bottom-2 img,
.bantuan-bottom-3 img {
width: 96px;
}
}
.bantuan-element:hover {
transform: scale(1.05);
}
.bantuan-element img {
max-width: 100%;
height: auto;
}
</style>
<div id="bantuan-divs-container" style="position: relative" data-product="ruangguru" data-table="rg_floating_icon"></div>
<script>
class FloatingDivsComponent {
constructor(product = 'ruangguru', table = 'rg_floating_icon') {
this.container = document.getElementById('bantuan-divs-container');
this.floatingElements = [];
this.product = product;
this.table = table;
// Configuration
this.config = {
baseApiUrl: 'https://gw.ruangguru.com/api/v3/rdb/p_ddgy8hjx5dxsqx/rg_banner/views/',
apiKey: 'vLyK3dJrDBRmOwueX2OJXibMkgsUbBk0WS4ua2p1',
maxElements: 2,
zIndexBase: 100,
};
// Build dynamic API URL based on table parameter
this.config.apiUrl = this.buildApiUrl();
this.init();
}
buildApiUrl() {
const baseUrl = this.config.baseApiUrl;
const tableName = this.table || 'rg_floating_icon';
const queryParams =
'offset=0&limit=99999&sort=rankPosition&where=(type,eq,floating)~and(showIn,anyof,blog)~and(hide,is,false)~and(product,eq,' +
this.product +
')&nested%5Bcta%5D%5Bfields%5D=Id,name,ctaId,imageUrl,ctaLink,targetUrl';
return `${baseUrl}${tableName}?${queryParams}`;
}
async init() {
try {
await this.fetchFloatingElements();
this.renderFloatingElements();
} catch (error) {
console.error('Failed to initialize floating divs component:', error);
}
}
async fetchFloatingElements() {
try {
const options = {
method: 'GET',
headers: {
'xc-token': this.config.apiKey || 'vLyK3dJrDBRmOwueX2OJXibMkgsUbBk0WS4ua2p1',
},
};
const urlNoco = this.config.apiUrl;
const response = await fetch(urlNoco, options);
if (!response.ok) {
throw new Error(`HTTP error! status: ${response.status}`);
}
const data = await response.json();
this.floatingElements = this.processApiResponse(data);
} catch (error) {
console.error('Error fetching floating elements:', error);
throw error;
}
}
processApiResponse(data) {
if (!data || !data.list || !Array.isArray(data.list)) {
return [];
}
console.log(data.list);
// Ensure we only get maximum 2 elements
const limitedElements = data.list.slice(0, this.config.maxElements);
return limitedElements;
}
renderFloatingElements() {
if (!this.container || this.floatingElements.length === 0) {
return;
}
// Additional safeguard: ensure we never render more than maxElements
const elementsToRender = this.floatingElements.slice(0, this.config.maxElements);
// Clean up existing elements and their event listeners
this.cleanupExistingElements();
// Clear existing content
this.container.innerHTML = '';
elementsToRender.forEach((element, index) => {
const floatingDiv = this.createFloatingDiv(element, index);
this.container.appendChild(floatingDiv);
});
}
cleanupExistingElements() {
// Clear existing elements (no need for event listener cleanup with CSS approach)
const existingElements = this.container.querySelectorAll('[data-floating-element]');
existingElements.forEach(element => {
element.remove();
});
}
createFloatingDiv(element, index) {
const div = document.createElement('div');
const cta = element.cta[0]; // Use the first CTA
// Add data attribute for cleanup tracking
div.setAttribute('data-floating-element', 'true');
// Apply CSS classes based on rankPosition
const positionClass = this.getPositionClass(element.rankPosition, index);
div.className = `bantuan-element ${positionClass}`;
div.style.zIndex = this.config.zIndexBase + index;
// Create the link and image
const link = document.createElement('a');
link.href = 'https://cta.ruangguru.com/' + cta.ctaId || '#';
link.target = '_blank';
// Add tracking attributes
link.setAttribute('data-tracking-event-type', 'landing_page__core__item_click');
link.setAttribute(
'data-tracking-context',
JSON.stringify({
product_name: this.product,
cta_action: 'redirection',
cta_action_detail: link.href,
item_type: 'floating',
item_name: element.name || 'Floating element',
item_category: 'payment',
item_position: index,
item_serial: null,
section_type: 'floating_item',
section_position: 'body',
section_name: 'floating_item',
})
);
const img = document.createElement('img');
img.src = element.imageUrl + '?h=200&convert=webp';
img.alt = element.name || 'Floating element';
img.loading = 'lazy';
// Add click tracking
link.addEventListener('click', () => {
this.trackClick(element, cta);
});
link.appendChild(img);
div.appendChild(link);
return div;
}
getPositionClass(rankPosition, index) {
// Define positioning classes based on rankPosition
if (rankPosition === 1) {
return 'bantuan-top'; // Top position
} else if (rankPosition === 2) {
return 'bantuan-bottom'; // Bottom position
} else {
// For additional elements, distribute them evenly
return `bantuan-${index % 2 === 0 ? 'top' : 'bottom'}-${Math.floor(index / 2) + 1}`;
}
}
trackClick(element, cta) {
// Implement click tracking logic here
console.log('Floating element clicked:', {
elementId: element.Id,
elementName: cta.name,
ctaId: cta.ctaId,
targetUrl: cta.targetUrl,
});
}
// Public method to manually refresh
async refresh() {
try {
await this.fetchFloatingElements();
this.renderFloatingElements();
} catch (error) {
console.error('Failed to refresh floating elements:', error);
throw error;
}
}
// Public method to get current floating elements
getFloatingElements() {
return [...this.floatingElements];
}
}
// Initialize the component when DOM is ready
document.addEventListener('DOMContentLoaded', () => {
// Get product and table parameters from data attributes
const container = document.getElementById('bantuan-divs-container');
const product = container.getAttribute('data-product') || 'ruangguru';
const table = container.getAttribute('data-table') || 'rg_floating_icon';
new FloatingDivsComponent(product, table);
});
// Export for use in other modules if needed
if (typeof module !== 'undefined' && module.exports) {
module.exports = FloatingDivsComponent;
}
</script> <div id="wp-install-nudge" style="
position: fixed;
bottom: 0rem;
right: 0;
z-index: 999;
cursor: pointer;
"></div>
<script>
(function (w, d, s, o, f, js, fjs) {
w['Sales-Nudge-Widget'] = o; w[o] = w[o] || function () { (w[o].q = w[o].q || []).push(arguments) };
js = d.createElement(s), fjs = d.getElementsByTagName(s)[0];
js.id = o; js.src = f; js.async = 1; fjs.parentNode.insertBefore(js, fjs);
}(window, document, 'script', 'wpInstallNudge', 'https://cdn-web-2.ruangguru.com/sales-nudge/6198a95130/dist/widget.js'));
wpInstallNudge('init', { targetElementId: 'wp-install-nudge', clientTarget: 'ruangguru_blog' });
</script>
<script>
// note: disabled due to auto reload page
// var lastScrollTop = 0;
// $(window).scroll(function(event){
// var st = $(this).scrollTop();
// if (st > lastScrollTop){
// $('#wp-install-nudge').slideDown( "slow", function() {});
// } else {
// $('#wp-install-nudge').slideUp( "slow", function() {});
// }
// lastScrollTop = st;
// });
// $(document).ready(function () {
// $("#wp-install-nudge").hide();
// });
$('#wp-install-nudge').click(function(){
Analytics.track("promotion__install_nudge__click",
{
user_email: "ruangguru@blog.com",
cta_link: widgetData.dataConfig.target_link
}).catch((err) => {
console.log("tracker error", err);
});
});
</script>
</footer>
<div id="__next"></div>
<script type="speculationrules">
{"prefetch":[{"source":"document","where":{"and":[{"href_matches":"\/blog\/*"},{"not":{"href_matches":["\/blog\/wp-*.php","\/blog\/wp-admin\/*","\/blog\/wp-content\/uploads\/*","\/blog\/wp-content\/*","\/blog\/wp-content\/plugins\/*","\/blog\/wp-content\/themes\/ruangguru\/*","\/blog\/*\\?(.+)"]}},{"not":{"selector_matches":"a[rel~=\"nofollow\"]"}},{"not":{"selector_matches":".no-prefetch, .no-prefetch a"}}]},"eagerness":"conservative"}]}
</script>
<script>
async function getCtaDetails(ctaIds) {
const endpoint =
" https://gw.ruangguru.com/api/v3/rdb/p_ddgy8hjx5dxsqx/CTA/views/CTA?offset=0&limit=10&where=(ctaId,in," + ctaIds.toString() + ")";
try {
const response = await fetch(endpoint, {
headers: {
"xc-token": "-hG2nBDJzSj0agSgNtcJx97M4F02y54nUMoY6plJ",
},
});
const data = await response.json();
const ctaList = data?.list || [];
const ctaMap = new Map();
for (const ctaData of ctaList) {
ctaMap.set(ctaData.ctaId, ctaData);
}
return ctaMap;
} catch (error) {
console.error("Error fetching CTA details:", error);
return new Map();
}
}
async function replaceCTA() {
const regex = /{{cta\((‘(.*?)’|“(.*?)”)\)}}/g;
const bodyHTML = document.body.innerHTML;
const matches = Array.from(bodyHTML.matchAll(regex));
const ctaIds = matches.map((match) => {
let ctaId = match[2] ?? match[3];
return ctaId;
});
const ctaMap = await getCtaDetails(ctaIds);
const replacedHTML = bodyHTML.replace(regex, (match, _inner, ctaId1, ctaId2) => {
const ctaId = ctaId1 ?? ctaId2;
const ctaData = ctaMap.get(ctaId);
if (ctaData) {
return `<a href="https://cta.ruangguru.com/${ctaData.ctaId}" target="_${ctaData.targetType}" style="position:relative;display:inline-block;">
<img src="${ctaData.imageUrl}" loading="lazy" alt="${ctaData.altText}" />
</a>`;
} else {
return match;
}
});
document.body.innerHTML = replacedHTML;
}
</script>
<meta name="author" content="Ruangguru Tech Team">
<!-- Google Tag Manager (noscript) -->
<noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-PVNLZFT" height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
<!-- Tracker -->
<script type="text/javascript" src="https://cdn-web-2.ruangguru.com/landing-page-web/public/staticpages/global-assets/js/cta.js"></script>
<script src="https://unpkg.com/@dotlottie/player-component@latest/dist/dotlottie-player.mjs" type="module"></script>
</body>
</html>