This street is one-way traffic, please watch for traffic signs.

这条街是单向行驶，请注意交通标志。

It is illegal to drive against one-way traffic.

在单向行驶的道路上逆行是违法的。

There are many streets with one-way traffic in this city.

这个城市有很多单向行驶的街道。

Make sure you are driving correctly on one-way traffic roads.

请确保你在单向行驶的道路上正确行驶。

We need to take a detour because there is one-way traffic ahead.

我们需要绕道，因为前方是单向行驶。

The area will be bounded by a ring-shaped bypass and have an internal one-way traffic system running in opposite directions.

这个区域将被一个环型的小道包围和有一个内部的单行交通系统在它相反的方向运作。