Izikhungo ku Chicago vula N Commonwealth Ave ube nesilinganiso esimaphakathi — 3.1 (ngokwezilinganiso zomsebenzisi Mapich).
N Commonwealth Ave, Chicago ezitholakele — indawo yokwenza izinwele, isibhedlela, isaluni yobuhle futhi ezinye izikhungo.
Le datha ikhiqizwa kusetshenziswa izihlungi zangokwezifiso ezisuselwe kukho 4 Izinkampani, eyethulwe kuleli khasi.