Volume of Traffic on the Primary Road System
| 
                 Route  | 
            2010  | 
            
                 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 | ||||||||||
| 3 | 28 Delaware COUNTY | ||||||||||||||||
| 3 | JUNCTION LITTLEPORT RD | Rural | 2.298 | 1860 | 10 | 1520 | 330 | 32 | 142 | 39 | 4 | 15 | 92 | 2 | 2 | 4274 | 758 | 
| 3 | WEST LIMITS OF EDGEWOOD | Rural | 0.634 | 2630 | 14 | 2286 | 330 | 32 | 142 | 39 | 4 | 15 | 92 | 2 | 2 | 1667 | 209 | 
| 3 | INTERSECTION FRANKLIN STREET | Municipal | 0.313 | 3050 | 17 | 2705 | 328 | 32 | 141 | 39 | 4 | 14 | 91 | 2 | 2 | 955 | 103 | 
| 3 | INTERSECTION LOCUST STREET | Municipal | 0.306 | 3340 | 19 | 2993 | 328 | 32 | 141 | 39 | 4 | 14 | 91 | 2 | 2 | 1022 | 100 | 
| 3 | EAST LIMITS OF EDGEWOOD | Municipal | 0.253 | 2060 | 11 | 1721 | 328 | 32 | 141 | 39 | 4 | 14 | 91 | 2 | 2 | 521 | 83 | 
| 3 | JUNCTION IA 38 | Rural | 2.786 | 1520 | 7 | 1182 | 330 | 32 | 142 | 39 | 4 | 15 | 92 | 2 | 2 | 4235 | 919 | 
| 3 | JUNCTION CO RD X47 | Rural | 7.593 | 890 | 5 | 763 | 122 | 13 | 57 | 16 | 2 | 5 | 29 | 1 | 1 | 6758 | 926 | 
| 3 | JCT DELAWARE STREET (COLESBURG) | Rural | 0.269 | 1170 | 7 | 1041 | 122 | 13 | 57 | 16 | 2 | 5 | 29 | 1 | 1 | 315 | 33 | 
| 3 | JUNCTION MAIN STREET (COLESBURG) | Rural | 0.411 | 300 | 1 | 177 | 122 | 13 | 57 | 16 | 2 | 5 | 29 | 1 | 1 | 123 | 50 | 
| 3 | WEST LINE OF DUBUQUE COUNTY | Rural | 4.903 | 1000 | 6 | 873 | 122 | 13 | 57 | 16 | 2 | 5 | 29 | 1 | 1 | 4903 | 598 | 
| ROUTE SUMMARY - RURAL | 18.894 | 1179 | 22275 | 3493 | |||||||||||||
| ROUTE SUMMARY - MUNICIPAL | 0.872 | 2865 | 2498 | 286 | |||||||||||||