A line of waiting people or vehicles; a queue.

长队排队等侯的人或车辆的行列；

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Traffic Wales says there is a five-mile queue of traffic waiting to leave the M4 to use the diversions with vehicles backing up to Cardiff Gate, J30.

BBC: Queuing traffic on the M4 between J28-29 on Friday morning

Traffic Wales said during the closure there was a five-mile queue of traffic waiting to leave the M4 to use the diversions with vehicles backing up to Cardiff Gate, J30.

BBC: Heavy traffic on the M4 between J28-29 on Friday morning