Inkampani Yezokuvakasha v Columbia ube nesilinganiso esimaphakathi — 4.4 (ngokwezilinganiso zomsebenzisi Mapich).
Sithole inkampani yezokuvakasha Columbia emigwaqweni elandelayo: St Andrews Rd, Travis Ct, Thornhill Rd, Gervais St, Alpine Rd, Leaphart Rd, Strom Thurmond Blvd, Bull St, Chateau Dr, Forest Dr, Buckner Rd
Le datha ikhiqizwa kusetshenziswa izihlungi zangokwezifiso ezisuselwe kukho 12 Izinkampani, eyethulwe kuleli khasi.