The phrase "a lengthy queue of" is correct and usable in written English.
It can be used to describe a long line of people or things waiting for something, often in contexts like events, services, or transportation.
Example: "At the concert, there was a lengthy queue of fans waiting to enter the venue."
Alternatives: "a long line of" or "an extended line of".
To my surprise I found a lengthy queue of people seeking my help – and, best of all, a dramatic response when I managed to prescribe effectively.
When Chef Albert Adrià of El Bulli and Tickets fame launched Cakes and Bubbles at Hotel Café Royal this week in London, a lengthy queue of hundreds formed outside.
Consider this: You push your unpacked laptop down the baggage security conveyor belt and soon you're stuck behind a lengthy queue of barefoot travelers awaiting the body scanner.
The opening hours of the CAB were limited, and there was a lengthy queue at reception.
Girls creator Lena Dunham proved the biggest draw, with a lengthy queue rivalled only by the one for Edward Snowden, whose talk was programmed at the same time.
However, in the morning peak period at my local station, there is frequently a lengthy queue at the ticket office, a broken ticket machine, and a switched-off Permit to Travel machine.
If "The Buy Side" is remembered for any single line, it will be the remark that Mr. Duff says he uttered one evening upon confronting a lengthy queue outside a downtown Manhattan nightclub.
I had the option of taking the public health care route, but in a case like mine -- stage 0 cancer vs. stage 3 or 4 -- I would have been a number on a lengthy queue and was told it would take perhaps a year or so before getting served for surgery.
The lengthy queue of people, young and old, lining up near the aircraft with food and necessities almost made me cry.
At other retailers, a calmer scene of lengthy queues of bargain hunters was seen, with Sarah Butler tweeting that a "very British queue" was seen at one Asda store.
"Local roads serving Fort Belvoir, [the Bethesda medical center] and Fort Meade could approach, if not experience, lengthy queues of stalled traffic," the report says.
