Ticket Counter

Every passenger must have a government-issued photo ID.

Passengers with tickets and photo ID but no luggage may bypass the ticket counter.

Airlines are using a computer-based profiling system aimed at identifying passengers who may present a threat.

A database is set up for cross-checking names on watch lists with passenger lists.

A $2.50 passenger ticket fee with a maximum of $5 per trip is now charged to help fund the new Transportation Security Administration.

Routine questions to passengers about whether they have kept a close eye on their baggage have been phased out because they were deemed ineffective.