Izikhungo ku Houston vula Webster St ube nesilinganiso esimaphakathi — 4.1 (ngokwezilinganiso zomsebenzisi Mapich).
Webster St, Houston ezitholakele — ibhangi, isitolo sokudla okubhakiwe futhi ezinye izikhungo.
Le datha ikhiqizwa kusetshenziswa izihlungi zangokwezifiso ezisuselwe kukho 3 Izinkampani, eyethulwe kuleli khasi.