With fewer than 700 cars per lane per hour on a four lane highway, generally the flow of traffic is unimpeded.[1]

在一条4道高速公路上，当每小时少于700辆车的流量，一般来说交通是顺畅的。

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The structure comprises several arching waves of reinforced concrete, which support a four-lane highway.

结构由几个钢筋混凝土波浪状拱构成，支撑起一条四车道的公路。

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When I spotted one of these down a side turning, the driver slammed on his brakes in the middle of a newly built four-lane highway, and simply abandoned his car while we got out to investigate.

我突然发现下面的一条小路，于是司机猛踩刹车，在一条新修的四车道高速公路中间停下来，我们去查看的时候，车就被扔在那。

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Today, a four-lane highway by bisects Walden Woods and there's a full landfill and a former gravel-mining site.

NPR: Soccer Fields Latest Threat to Thoreau's Woods

The property faced a four-lane highway, but Serenola was tucked behind a brick wall and a modest electric gate.

NEWYORKER: Bones of Contention

We thought that we could stop the fire at a four-lane highway.

NPR: Fires in Texas, Fierce Storms in Midwest