Twenty years in the making, the 2005 REAL ID Act is finally going into effect on May 7. The act, passed amid other increasingly tight security measures following 9/11, established that Americans would need identification that met "minimum security standards for state-issued driver's licenses and identification cards.

The REAL ID deadline for air travelers is quickly approaching on May 7, and that is causing long lines at some DMVs across the country — but not all.