be open to traffic

基本解释

The new road will soon be open to traffic.
这条新马路不久就可以通车。
The highway is to be open to traffic in May.
这条公路将在五月份通车。
The Enshi-Baiyangtang section of the Huyu Expressway linking Shanghai and Chongqing will go into service Saturday, the day for the whole expressway to be open to traffic.
19日，沪渝高速公路的最后一段——湖北境内恩施至白羊塘路段将通车。
www.chinadaily.com.cn

The leaders are under pressure to achieve a breakthrough before the EU summit in December, when Turkey could be sanctioned for its refusal to open its ports and airports to Cypriot traffic.

And as of Labor Day, of those 10, 000 projects underway, 3, 500 will be projects that are open to traffic, although not totally completed, and 500 will be totally completed, with 6, 000 continuing to be completed and employing people through the fall.
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Traffic in Pakistan tends to be an open-faced sandwich anyway with very little hidden or enclosed.
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