Grand Parkway expansion: Public to comment on Texas 99

texas 99State 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.State Hhway 99. FM 1093 to I -10: Main Lanes, Frontage Roads and Noise Barrier Update. PROJECTNEWS. May 2025. Quick Facts. Project Location. Harris and Fort Bend Counties.