Volume of Traffic on the Primary Road System
| 
                 Route  | 
            2015  | 
            
                 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 | ||||||||||
| 280 | 82 Scott COUNTY | ||||||||||||||||
| 280 | I 80 INTERCHANGE TO | ||||||||||||||||
| 280 | US 6 & 200TH STREET INTERCHANGE | Municipal | 0.824 | 21500 | 80 | 16576 | 4844 | 190 | 696 | 138 | 8 | 240 | 3423 | 46 | 104 | 17716 | 3991 | 
| 280 | EAST-NORTH WEST-NORTH RAMP | Municipal | 0.342 | 1310 | 6 | 1231 | 74 | 7 | 25 | 5 | 0 | 2 | 33 | 0 | 1 | 0 | 0 | 
| 280 | SOUTH-EAST SOUTH-WEST RAMP | Municipal | 0.249 | 1290 | 6 | 1179 | 105 | 12 | 46 | 9 | 1 | 2 | 33 | 0 | 1 | 0 | 0 | 
| 280 | EAST-SOUTH WEST-SOUTH RAMP | Municipal | 0.429 | 1350 | 6 | 1227 | 117 | 13 | 47 | 9 | 1 | 3 | 43 | 1 | 2 | 0 | 0 | 
| 280 | NORTH-EAST NORTH-WEST LOOP | Municipal | 0.298 | 1060 | 5 | 967 | 88 | 8 | 29 | 6 | 0 | 3 | 40 | 1 | 2 | 0 | 0 | 
| 280 | CO RD F65 & LOCUST ST INTCHG | Municipal | 3.701 | 21800 | 81 | 16814 | 4905 | 200 | 735 | 146 | 9 | 240 | 3426 | 46 | 104 | 80682 | 18153 | 
| 280 | EAST-NORTH WEST-NORTH RAMP | Municipal | 0.317 | 1270 | 6 | 1178 | 86 | 11 | 40 | 8 | 0 | 2 | 24 | 0 | 0 | 0 | 0 | 
| 280 | SOUTH-EAST SOUTH-WEST RAMP | Municipal | 0.280 | 2310 | 11 | 2208 | 91 | 10 | 35 | 7 | 0 | 2 | 35 | 0 | 1 | 0 | 0 | 
| 280 | EAST-SOUTH WEST-SOUTH RAMP | Municipal | 0.317 | 2080 | 10 | 1980 | 91 | 11 | 42 | 8 | 0 | 2 | 26 | 0 | 0 | 0 | 0 | 
| 280 | NORTH-EAST NORTH-WEST RAMP | Municipal | 0.280 | 1290 | 6 | 1188 | 96 | 12 | 42 | 8 | 0 | 2 | 30 | 0 | 0 | 0 | 0 | 
| 280 | US 61 & IA 461 INTERCHANGE | Municipal | 2.033 | 23700 | 90 | 18705 | 4905 | 199 | 729 | 145 | 9 | 241 | 3434 | 46 | 104 | 48182 | 9972 | 
| 280 | EAST-NORTH WEST-NORTH RAMP | Municipal | 0.280 | 4560 | 19 | 3871 | 671 | 50 | 183 | 36 | 2 | 25 | 358 | 5 | 11 | 0 | 0 | 
| 280 | SOUTH-EAST SOUTH-WEST RAMP | Municipal | 0.298 | 2620 | 10 | 2081 | 529 | 26 | 97 | 19 | 1 | 24 | 346 | 5 | 11 | 0 | 0 | 
| 280 | EAST-SOUTH WEST-SOUTH RAMP | Municipal | 0.280 | 2890 | 12 | 2393 | 486 | 32 | 116 | 23 | 1 | 20 | 282 | 4 | 8 | 0 | 0 | 
| 280 | NORTH-EAST NORTH-WEST RAMP | Municipal | 0.248 | 3780 | 16 | 3215 | 549 | 43 | 158 | 31 | 2 | 20 | 283 | 4 | 8 | 0 | 0 | 
| 280 | IA 22 INTERCHANGE | Municipal | 1.744 | 20800 | 77 | 16022 | 4700 | 164 | 602 | 119 | 7 | 240 | 3419 | 46 | 104 | 36275 | 8197 | 
| 280 | EAST-NORTH EAST-SOUTH RAMP | Municipal | 0.398 | 2440 | 9 | 1824 | 607 | 46 | 169 | 34 | 2 | 22 | 320 | 4 | 10 | 0 | 0 | 
| 280 | NORTH-EAST SOUTH-EAST RAMP | Municipal | 0.261 | 2830 | 11 | 2192 | 628 | 51 | 187 | 37 | 2 | 22 | 315 | 4 | 10 | 0 | 0 | 
| 280 | WEST-NORTH WEST-SOUTH RAMP | Municipal | 0.410 | 790 | 3 | 520 | 267 | 19 | 68 | 14 | 1 | 10 | 149 | 2 | 4 | 0 | 0 | 
| 280 | NORTH-WEST SOUTH-WEST RAMP | Municipal | 0.360 | 830 | 3 | 601 | 226 | 15 | 53 | 11 | 1 | 9 | 132 | 2 | 4 | 0 | 0 | 
| 280 | SOUTH LIMITS OF DAVENPORT AT | ||||||||||||||||
| 280 | ILLINOIS STATE LINE | Municipal | 1.278 | 24400 | 91 | 18867 | 5442 | 228 | 836 | 166 | 10 | 264 | 3773 | 51 | 114 | 31183 | 6955 | 
| ROUTE SUMMARY - MUNICIPAL | 14.627 | 15308 | 214038 | 47268 | |||||||||||||