Even the Transportation Security Administration concedes that airport screening lines can be long and frustrating.

If you have a better idea for moving people through airport queues, the TSA wants to hear it.

In fact, the TSA is offering rewards totaling $15,000 for the best ideas for a queuing system.

The TSA has long relied on the age-old first-come, first-served system that uses retractable belts and barriers to direct travelers through checkpoints.

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But the TSA now has several categories of travelers to screen, including premium travelers, passengers in wheelchairs, pilots and crew members, plus fliers using TSA’s PreCheck program, which offers faster screening for those who voluntarily submit background information.

Putting all of these travelers in the same lines creates confusion and delays.

The challenge, said TSA spokesman Ross Feinstein, “is about leveraging innovation and out-of-the-box thinking to find solutions to TSA’s most challenging issues.”

The TSA will award one prize of at least $5,000 and others of at least $2,500 for the next best ideas.

The deadline is Aug. 15, with submissions accepted at innocentive.com/ar/challenge/9933343.So far, more than 200 ideas have been submitted.