Igalaji Lophethulomu v Portland ube nesilinganiso esimaphakathi — 4.1 (ngokwezilinganiso zomsebenzisi Mapich).
Sithole igalaji lophethulomu Portland emigwaqweni elandelayo: NE 138th Ave, SW 24th Ave, NE 92nd Ave, SW Patton Rd, NE Glisan St, SW Pacific Hwy, SW Canyon Rd, SW Upper Boones Ferry Rd, N Interstate Ave, SE Belmont St, E Burnside St, SE 122nd Ave
Le datha ikhiqizwa kusetshenziswa izihlungi zangokwezifiso ezisuselwe kukho 12 Izinkampani, eyethulwe kuleli khasi.