texas99TEXAS FOOD HANDLERS CARD ON. Certified On The Fly is an official provider of the on Texas Food Handlers certification course, licensed and accredited by the TexasState Hhway 99 (SH 99), also known as the Grand Parkway, is a ring road in the U.S. state of Texas. Its first section opened on August 31, 1994. When the route is completed, it will be