You may register for a course by contacting the instructor. If you are
interested in knowing more about becoming a certified Flagging
Instructor, contact ATSSA. ATSSA has certified flagging instructors in
many states across the United States. Below you will find a list of
classes that are currently scheduled for flagging professionals.
Check this site often for a current schedule (If you checked this site
recently, you may need to click on the "reload" or "refresh" button to
get current information).