Izikhungo ku Duluth vula Airport Approach Rd ube nesilinganiso esimaphakathi — 4.3 (ngokwezilinganiso zomsebenzisi Mapich).
Airport Approach Rd, Duluth ezitholakele — inkampani yezokuvakasha futhi ezinye izikhungo.
Le datha ikhiqizwa kusetshenziswa izihlungi zangokwezifiso ezisuselwe kukho 2 Izinkampani, eyethulwe kuleli khasi.