Texas 99

texas 99State Hhway 99 (the Grand Parkway) is a proposed 180-mile circumferential hhway traversing seven counties in the Greater Houston area. Conceptualized in the early 1960s, it is dividedState Hhway 99 (the Grand Parkway) is a proposed 180-mile circumferential hhway traversing seven counties in the Greater Houston area. Conceptualized in the early 1960s, it is divided