It was dark at the time, and the traffic was light.

当时天色阴暗，路上的车辆很少。

youdao

I've been to Rome, so I've seen the dark side: a traffic intersection where everybody decides to get where they're going at the same time, so no one gets anywhere.

我去过罗马，曾见到过阴暗的一面：在一个交通十字路口，每一个人都同时想去自己要去的地方，结果每个人都无法走。

youdao

We started in the dark on Huntington Beach in Los Angeles, stopping and starting at lots of traffic lights.

在洛杉矶亨廷顿海滩，我们在黑暗中开始了。

youdao

As convoys of dark cars shuttled along roads closed to other traffic, most attention fell on the diplomacy.

ECONOMIST: The Mediterranean Union

Outside the cities, sandbags and checkpoints still halt traffic every five miles, at least until dark when soldiers tend to retreat to their barracks.

ECONOMIST: Algeria

One of Hollywood's most bankable stars, Del Toro has made a name for himself playing dark and brooding characters in movies like "21 Grams, " "The Usual Suspects, " and "Traffic, " for which he won an Oscar.

CNN: Benicio Del Toro's revolutionary turn