Palmer, IAUSDOT 117964740 power units, 29 drivers
Waukon, IAUSDOT 29889339 power units, 33 drivers
Harlan, IAUSDOT 309602438 power units, 36 drivers
Ottumwa, IAUSDOT 33406037 power units, 13 drivers
Sioux City, IAUSDOT 77548734 power units, 14 drivers
Muscatine, IAUSDOT 89382134 power units, 31 drivers
Lemars, IAUSDOT 95271734 power units, 36 drivers
Atlantic, IAUSDOT 76504833 power units, 13 drivers
Granger, IAUSDOT 258816133 power units, 105 drivers