Traffic is now flowing smoothly again.

现在，交通又畅通了。

《牛津词典》

An ultimate goal in traffic regulation is "the green wave," the bam, bam, bam of greens that allows platoons of vehicles to move smoothly through intersection after intersection.

交通管制的终极目标是“绿色波浪”，也就是那些能让车辆队伍流畅的穿过一个接一个的交叉路口的，啵，啵，啵作响的一路绿灯。

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An electrical breakdown had snarled train traffic on the Northeast rail corridor over the weekend, but everything was running smoothly for the holiday, Cole said.

考尔还说，上个周末东北铁路干线电力停工造成了铁路交通混乱，但每个节假日一切都运行正常。

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But provided it manages all the newfound traffic smoothly, investors may see gains from a railroad company the likes of which haven't been seen in decades.

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Ms. Hodge's seemingly impossible task is to keep traffic flowing smoothly.

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If traffic congestion can be compared to water flowing through a sink drain, then a congestion toll is like the handle on the spigot -- it increases during times of peak road use, decreases during off-peak times, and is adjusted in real time to keep traffic flowing smoothly.

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