Curbside.

Splurge on the two bucks and save a lot of hassle.

Last month, for a Sunday 5:45 p.m. flight to LAX, after kid's graduation, IAD was, of course, crazy, but curbside moved very quickly.

Elite security line: It may look longer, but don't be deceived--it ends far sooner than the regular line, which continues on and on and on and around and around.