There was a queue of traffic waiting to turn right.

有一大串车辆等着右转弯。

《牛津词典》

It also saves time because you're not waiting to turn left through busy traffic lanes.

这还省去了向左转进拥挤交通的时间。

youdao

And it's going to be quickest because you're not forever waiting to turn across the traffic.

而且这将是最快的，因为你不用永远等这穿过交通。

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On this day, a line of 100 people waiting to turn in their cans snakes down the block.

VOA: standard.2010.02.23

Waiting to turn, Cashin watched Rebb go, swag horizontal across his back, sticking out.

NPR: Excerpt: 'The Broken Shore'

Riordan immediately released Jonathan Grounds, whose low cross was well saved by goalkeeper Marian Kello with a forest of Hibs boots waiting to turn the ball into the net.

BBC: Sport - Football - Hibernian 0-2 Hearts

In the event, the Americans grew tired of waiting for the Europeans to turn the Airbus consortium into a proper company.

ECONOMIST: Lockheed Martin