Indawo yokwenza izinwele v Houston ube nesilinganiso esimaphakathi — 2.3 (ngokwezilinganiso zomsebenzisi Mapich).
Sithole indawo yokwenza izinwele Houston emigwaqweni elandelayo: N Eldridge Pkwy, East Sam Houston Pkwy N, Greens Crossing Blvd, FM 1960, Cullen Blvd, Centre Pkwy, Yorktown Street
Le datha ikhiqizwa kusetshenziswa izihlungi zangokwezifiso ezisuselwe kukho 8 Izinkampani, eyethulwe kuleli khasi.