Izikhungo ku Portland vula SW Columbia St ube nesilinganiso esimaphakathi — 4.6 (ngokwezilinganiso zomsebenzisi Mapich).
SW Columbia St, Portland ezitholakele — ummeli futhi ezinye izikhungo.
Le datha ikhiqizwa kusetshenziswa izihlungi zangokwezifiso ezisuselwe kukho 7 Izinkampani, eyethulwe kuleli khasi.