Izikhungo ku Knoxville vula Alcoa Hwy ube nesilinganiso esimaphakathi — 4 (ngokwezilinganiso zomsebenzisi Mapich).
Alcoa Hwy, Knoxville ezitholakele — ijimi, isibhedlela, udokotela wezilwane futhi ezinye izikhungo.
Le datha ikhiqizwa kusetshenziswa izihlungi zangokwezifiso ezisuselwe kukho 7 Izinkampani, eyethulwe kuleli khasi.