Indawo yokwenza izinwele v Houston ube nesilinganiso esimaphakathi — 5 (ngokwezilinganiso zomsebenzisi Mapich).
Sithole indawo yokwenza izinwele Houston emigwaqweni elandelayo: North Fwy, W Parker Rd, Farm to Market 1960 Rd W, El Camino Real, Westheimer Rd, Aldine Mail Rte Rd, Airline Dr, Bissonnet St, W Lake Houston Pkwy, Mangum Rd
Le datha ikhiqizwa kusetshenziswa izihlungi zangokwezifiso ezisuselwe kukho 12 Izinkampani, eyethulwe kuleli khasi.