Security lines are an expensive problem.

airports
Travelers blame airports for long lines, and spend less when traveling as a result.
Avoidable American airport congestion will cost $34 billion annually by 2020.
tsa
Over half of business travelers say that PreCheck has become too crowded and lost its initial value.
Inefficient staffing costs the agency over $50 million every year.
airlines
Unpredictable and poorly managed lines ruin the travel experience, no matter what else goes well.
25% of travelers cancel or reschedule their flights because of long security lines.
vendors
Travelers reported that shortening security is the #1 way to get them to spend more at the airport.
For every 1 minute spent in line, the average traveler spends $1 less at concessions.
Airports take a lot of heatbecause of how often flyers experience long wait times at security.