texas99State 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 CountiesWhile TxDOT says the expansion goes mainly through rural portions of the region, SH-99 would be near more than 100 established nehborhoods, especially in the Alvin