 Transportation Security Administration is announcing some upcoming changes at Pittsburgh International Airport, which are expected to speed up security checkpoints. This comes as the airport currently is seeing its highest number of travelers since before the pandemic. Starting in July, travelers who have enrolled in the TSA pre-check will have the alternate security checkpoint weekdays between 4 a.m. and 7 a.m. The alternate checkpoints are expected to lighten the load at main TSA security checkpoints. Travelers are still urged to get to the airport between 2 and 3 hours.