(photo courtesy of Indianapolis International Airport)

The new TSA precheck program is making security lines shorter at the airport.

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Indianapolis received the precheck program in August and before the end of the year, over 30 airports will have the program. TSA spokesman Jim Fotenos says passengers can be invited into the program by certain airlines or go through a Customs Border Crossing program. He says travelers can apply online and go through a minor background check process. Customs then allows TSA to access that information for the precheck program.

If you're invited by an airline, the program is free. However, the Customs program costs about one hundred dollars for five years. Fotenos says that money goes to the Customs department and not TSA.

Fotenos adds that even if you're in the precheck program, you may still randomly be required to go through regular security. But if you're sent to the precheck security line, passengers can enjoy certain benefits such as leaving their shoes on and keeping laptops and liquids in bags while going through security.