Isikhumulo sezindiza v Houston ube nesilinganiso esimaphakathi — 3.6 (ngokwezilinganiso zomsebenzisi Mapich).
Sithole isikhumulo sezindiza Houston emigwaqweni elandelayo: Airport Blvd, N Terminal Rd, Rankin Rd
Le datha ikhiqizwa kusetshenziswa izihlungi zangokwezifiso ezisuselwe kukho 3 Izinkampani, eyethulwe kuleli khasi.