Ummeli v Pittsburgh ube nesilinganiso esimaphakathi — 3.3 (ngokwezilinganiso zomsebenzisi Mapich).
Sithole ummeli Pittsburgh emigwaqweni elandelayo: Smithfield St, Grant St, Forbes Ave, Fourth Ave, Penn Center Blvd, Ross St
Le datha ikhiqizwa kusetshenziswa izihlungi zangokwezifiso ezisuselwe kukho 12 Izinkampani, eyethulwe kuleli khasi.