SOURCE

console.log(1)

setTimeout(()=>{
    console.log(2)
},0)

new Promise((resolve)=>{
    console.log(3)
    resolve()
}).then(()=>{
    console.log(4)
})

console.log(5)

<div class="road">
    
    <div class="taxi">
        <div class="light_beam"></div>
        <span>
        <strong></strong>
        <em></em>
        </span>
    </div>
</div>

body{
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.road{
    width:700px;
    height: 150px;
    border-radius: 150px;
    background-color: #333;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.road::after{
    content: '';
    width: 100%;
    height: 4px;
    background-image: linear-gradient(90deg,#fff,#fff 50%,transparent 50%,transparent 100%);
    background-size:50px;
    animation: animated_road 0.123s linear infinite;
}

@keyframes animated_road{
    0%{
        background-position: 50px 0;
    }

    100%{
        background-position: 0px 0;
    }
}


.taxi{
    position: absolute;
    width: 200px;
    height: 80px;
    background: #f4b603;
    border-radius: 10px;
    left: 50px;
    box-shadow: -10px 10px rgba(0, 0, 0, 0.25);
}

.taxi::before{
    content: '';
    position: absolute;
    top: 12px;
    left: 2px;
    width: 5px;
    height: 15px;
    background-color: #fc3c25;
    border-radius: 2px;
    box-shadow: 0 42px #fc3c25;
}

.taxi::after{
    content: '';
    position: absolute;
    top: 10px;
    right: 2px;
    width: 6px;
    height: 16px;
    background-color: #fff;
    border-radius: 2px;
    box-shadow: 0 44px #fff;
}