India, June 26 -- The Transportation Security Administration says it expects to screen more than 18.5 million travelers at the nation's airport security checkpoints during the upcoming Fourth of July holiday.

This year's projection includes July 1 through July 7, with the highest passenger volume - approximately 2.9 million - expected on Sunday, July 6. TSA screened nearly 3.1 million travelers on June 22 this year, which TSA says marked the busiest single day in the agency's history.

"TSA continues to work closely with our industry partners and ensure our airport security checkpoints are fully staffed and prepared to handle the heavy rush of traffic," said TSA Acting Administrator Ha Nguyen McNeill. "We are deploying technologies and pro...