Volume of Traffic on the Primary Road System
| 
                 Route  | 
            2004  | 
            
                 Rural/Municipal  | 
            
            Section length (miles) | Annual average daily traffic | 
                 
                    Vehicle classification distribution  | 
            Average daily vehicle miles | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 
                 Motorcylces  | 
            Cars, vans and pickups | Total trucks and buses | Single unit trucks  | 
            Combination trucks  | 
            All vehicles | Trucks and buses | |||||||||||
| Primary route section description  | 
        |||||||||||||||||
| 
                 Buses  | 
            
                 2Axles  | 
            
                 3Axles  | 
            4 or more axles | 4 or less axles | 
                 5Axles  | 
            6 or more axles | Multiple trailers | ||||||||||
| 224 | 50 Jasper COUNTY | ||||||||||||||||
| 224 | I 80 & CO RD T22 INTERCHANGE TO | ||||||||||||||||
| 224 | INTERSECTION US 6 | Rural | 1.731 | 1650 | 13 | 1480 | 156 | 5 | 32 | 15 | 2 | 25 | 70 | 5 | 3 | 2856 | 270 | 
| 224 | SOUTH LIMITS OF KELLOGG | Rural | 0.261 | 2620 | 22 | 2452 | 146 | 7 | 46 | 21 | 3 | 17 | 46 | 3 | 2 | 684 | 38 | 
| 224 | JUNCTION BLAIR STREET | Municipal | 0.249 | 2530 | 21 | 2368 | 140 | 7 | 44 | 20 | 3 | 16 | 45 | 3 | 2 | 630 | 35 | 
| 224 | NORTH LIMITS OF KELLOGG | Municipal | 0.329 | 1340 | 11 | 1216 | 113 | 4 | 28 | 13 | 2 | 16 | 45 | 3 | 2 | 441 | 37 | 
| 224 | INTERSECTION CO RD F27 | Rural | 2.925 | 1170 | 9 | 1042 | 118 | 5 | 30 | 13 | 2 | 17 | 46 | 3 | 2 | 3422 | 345 | 
| 224 | JUNCTION CO RD F17 | Rural | 4.075 | 770 | 6 | 661 | 103 | 3 | 21 | 9 | 2 | 17 | 46 | 3 | 2 | 3138 | 420 | 
| 224 | JUNCTION IA 14 | Rural | 1.011 | 1100 | 9 | 970 | 121 | 5 | 32 | 14 | 2 | 17 | 46 | 3 | 2 | 1112 | 122 | 
| ROUTE SUMMARY - RURAL | 10.003 | 1121 | 11212 | 1195 | |||||||||||||
| ROUTE SUMMARY - MUNICIPAL | 0.578 | 1853 | 1071 | 72 | |||||||||||||