It's true that when Reagan National Airport was built near Washington D. C. where I live, there were signs like this.

的确，当里根国家机场在我生活的，华盛顿特区建造时，周围有这样的标志。

youdao

When they finally made it into the airport, he said, he and the other passengers were led past sheets of blue plastic, which hid signs of the carnage.

当他们最终进入机场时他说，他和其他乘客被带往掩盖了袭击惨状的蓝色塑料过道。

youdao

I know I may have been a little disoriented after waking up, but why didn't I get a clue from announcements on the plane, signs in the airport, or even the layout of the airport itself?

我知道，刚睡醒时，可能有点方向错乱，可是为什么我没有从飞机上的公告，机场上的标志，或者机场本身的布局上看出来点眉目呢？

youdao

But when she appeared at Paisley Sheriff Court, she denied smoking against regulations in the airport when signs were displayed warning passengers against doing so.

BBC: Airport evacuation smoker acquitted

You're basically following signs to 'JFK Airport.

WSJ: Lost Cause in New York

Thousands of people lined up at Ataturk Airport in Istanbul, cheering and waving signs.

CNN: Turkish PM cheered after Davos walkout