Weigh Station, Brandon I-380 WB, Mile 51 Weigh Station, Brandon I-380 EB, Mile 54 Weigh Station, Huxley I-35 SB, Mile 105 Weigh Station, Osceola I-35 NB, Mile 30 Weigh Station, Van Meter I-80 EB, Mile 115 Weigh Station, Early US-71 NB/SB Weigh Station, Colfax I-80 WB, Mile 151 Weigh Station, Hamburg I-29 NB, Mile 11 Weigh Station, Salix I-29 SB, Mile 132 Weigh Station, Avoca I-80 WB, Mile 44 Weigh Station, Mt. Pleasant US-218 WB Weigh Station, Northwood I-35 SB, Mile 211 Weigh Station, Missouri Valley I-29 NB, Mile 73 Weigh Station, Mechanicsville US-30 EB/WB