Isikhumulo sezindiza v Portland ube nesilinganiso esimaphakathi — 4.5 (ngokwezilinganiso zomsebenzisi Mapich).
Sithole isikhumulo sezindiza Portland emigwaqweni elandelayo: NE Airport Way
Le datha ikhiqizwa kusetshenziswa izihlungi zangokwezifiso ezisuselwe kukho 1 inkampani, eyethulwe kuleli khasi.