texas99.official

texas99The Grand Parkway Transportation Corporation (GPTC) is a public, nonprofit corporation created by the Texas Transportation Commission to act on behalf of the Commission to lead the effortState 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,