Izikhungo ku Chicago vula North Michigan Avenue ube nesilinganiso esimaphakathi — 4.1 (ngokwezilinganiso zomsebenzisi Mapich).
North Michigan Avenue, Chicago ezitholakele — isitolo sezogesi.
Le datha ikhiqizwa kusetshenziswa izihlungi zangokwezifiso ezisuselwe kukho 1 inkampani, eyethulwe kuleli khasi.