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 | ||||||||||
| 30 | 24 Crawford COUNTY | ||||||||||||||||
| 30 | WEST LIMITS OF DOW CITY | Rural | 7.020 | 3180 | 15 | 2416 | 748 | 24 | 106 | 30 | 3 | 76 | 481 | 12 | 15 | 22324 | 5251 | 
| 30 | EAST LIMITS OF DOW CITY | Municipal | 0.560 | 3430 | 17 | 2678 | 735 | 24 | 103 | 29 | 3 | 75 | 473 | 12 | 15 | 1921 | 412 | 
| 30 | WEST LIMITS OF ARION | Rural | 1.248 | 3570 | 18 | 2805 | 748 | 24 | 106 | 30 | 3 | 76 | 481 | 12 | 15 | 4455 | 934 | 
| 30 | NORTH LIMITS OF ARION | Municipal | 0.960 | 3590 | 18 | 2837 | 735 | 24 | 103 | 29 | 3 | 75 | 473 | 12 | 15 | 3446 | 706 | 
| 30 | JUNCTION CO RD E46 | Rural | 4.904 | 3650 | 18 | 2884 | 748 | 24 | 106 | 30 | 3 | 76 | 481 | 12 | 15 | 17900 | 3668 | 
| 30 | WEST LIMITS OF DENISON | Rural | 0.632 | 5300 | 29 | 4524 | 748 | 24 | 106 | 30 | 3 | 76 | 481 | 12 | 15 | 3350 | 473 | 
| 30 | SOUTH JUNCTION US 59 | Municipal | 0.316 | 5300 | 29 | 4536 | 735 | 24 | 103 | 29 | 3 | 75 | 473 | 12 | 15 | 1675 | 232 | 
| 30 | NORTH-WEST CURVE | Municipal | 0.099 | 2880 | 16 | 2446 | 419 | 8 | 36 | 10 | 1 | 47 | 299 | 8 | 10 | 285 | 41 | 
| 30 | NORTH JUNCTION US 59 | Municipal | 0.532 | 9700 | 17 | 8202 | 1481 | 24 | 233 | 37 | 4 | 179 | 817 | 72 | 113 | 5160 | 788 | 
| 30 | INTERSECTION MAIN STREET | Municipal | 0.499 | 11800 | 23 | 10939 | 838 | 25 | 241 | 39 | 5 | 80 | 365 | 32 | 50 | 5888 | 418 | 
| 30 | JUNCTION 20TH STREET | Municipal | 0.606 | 10700 | 21 | 9841 | 838 | 25 | 241 | 39 | 5 | 80 | 365 | 32 | 50 | 6484 | 508 | 
| 30 | JUNCTION CO RD M36 AT | ||||||||||||||||
| 30 | EAST LIMITS OF DENISON | Municipal | 0.490 | 8500 | 16 | 7724 | 760 | 19 | 181 | 29 | 3 | 80 | 365 | 32 | 50 | 4165 | 372 | 
| 30 | JUNCTION YELLOW SMOKE ROAD | Rural | 1.119 | 6200 | 34 | 5393 | 773 | 35 | 154 | 43 | 5 | 70 | 441 | 11 | 14 | 6938 | 865 | 
| 30 | SOUTH LIMITS OF VAIL | Rural | 6.177 | 4010 | 20 | 3224 | 766 | 34 | 149 | 41 | 5 | 70 | 441 | 11 | 14 | 24770 | 4732 | 
| 30 | INTERSECTION MAIN STREET | Municipal | 0.533 | 3290 | 16 | 2521 | 753 | 33 | 146 | 41 | 5 | 69 | 434 | 11 | 14 | 1754 | 401 | 
| 30 | EAST LIMITS OF VAIL | Municipal | 0.446 | 3290 | 16 | 2521 | 753 | 33 | 146 | 41 | 5 | 69 | 434 | 11 | 14 | 1467 | 336 | 
| 30 | WEST LIMITS OF WESTSIDE AT | ||||||||||||||||
| 30 | JCT CO RD M60 & 1ST STREET | Rural | 4.600 | 3530 | 17 | 2747 | 766 | 34 | 149 | 41 | 5 | 70 | 441 | 11 | 14 | 16238 | 3524 | 
| 30 | INTERSECTION MAIN STREET | Municipal | 0.674 | 3770 | 19 | 2942 | 810 | 42 | 183 | 51 | 6 | 69 | 434 | 11 | 14 | 2541 | 546 | 
| 30 | JUNCTION CO RD M64 AT EAST LIMITS OF WESTSIDE AT  | ||||||||||||||||
| 30 | WEST LINE OF CARROLL COUNTY | Municipal | 0.371 | 4040 | 20 | 3210 | 810 | 42 | 183 | 51 | 6 | 69 | 434 | 11 | 14 | 1499 | 301 | 
| ROUTE SUMMARY - RURAL | 25.700 | 3734 | 95975 | 19447 | |||||||||||||
| ROUTE SUMMARY - MUNICIPAL | 6.086 | 5962 | 36285 | 5061 | |||||||||||||