Izikhungo ku Iowa City vula E 1st St ube nesilinganiso esimaphakathi — 3.4 (ngokwezilinganiso zomsebenzisi Mapich).
E 1st St, Iowa City ezitholakele — ezinye izikhungo.
Le datha ikhiqizwa kusetshenziswa izihlungi zangokwezifiso ezisuselwe kukho 1 inkampani, eyethulwe kuleli khasi.