A driver who is under the age of 21 and operating on a GDL must practice supervised driving for at least ____ before taking the road test.

A driver who is under the age of 21 and operating on a Graduated Driver License (GDL) must practice supervised driving for a minimum of six months before taking the official road test. A driver age 21 or older who is operating on a GDL must practice supervised driving for a minimum of three months.