I-Ejensi Yomshuwalensi v Rock Island ube nesilinganiso esimaphakathi — 5 (ngokwezilinganiso zomsebenzisi Mapich).
Sithole i-ejensi yomshuwalensi Rock Island emigwaqweni elandelayo: 18th Ave, 18th St, Blackhawk Rd, 11th St, 44th St, 3rd Ave, 2nd Ave, 17th St, 46th Ave
Le datha ikhiqizwa kusetshenziswa izihlungi zangokwezifiso ezisuselwe kukho 12 Izinkampani, eyethulwe kuleli khasi.