Isikhumulo sezindiza v Columbus ube nesilinganiso esimaphakathi — 4.2 (ngokwezilinganiso zomsebenzisi Mapich).
Sithole isikhumulo sezindiza Columbus emigwaqweni elandelayo: Norton Rd, W Case Rd, John Cir Dr, International Gateway
Le datha ikhiqizwa kusetshenziswa izihlungi zangokwezifiso ezisuselwe kukho 4 Izinkampani, eyethulwe kuleli khasi.