SH 99Grand Parkway Project

texas 99SH 99 Grand Parkway toll information View the TxTag site for more information. To drive on these portions of the road, you must have a prepaid toll account and one of these electronic toll tags:State Hhway 99 (SH 99), also known as the Grand Parkway, is a beltway in the U.S. state of Texas. Its first section opened on August 31, 1994.