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 | ||||||||||
| 18 | 74 Palo Alto COUNTY | ||||||||||||||||
| 18 | JUNCTION 350TH AVENUE | Rural | 0.728 | 3710 | 19 | 3062 | 628 | 26 | 115 | 32 | 4 | 59 | 371 | 10 | 13 | 2701 | 457 | 
| 18 | WEST JUNCTION IA 4 | Rural | 7.146 | 3620 | 19 | 2973 | 628 | 26 | 115 | 32 | 4 | 59 | 371 | 10 | 13 | 25869 | 4488 | 
| 18 | WEST LIMITS OF EMMETSBURG | Rural | 2.927 | 4970 | 27 | 4185 | 758 | 26 | 113 | 32 | 4 | 76 | 480 | 12 | 15 | 14547 | 2219 | 
| 18 | JUNCTION GARFIELD STREET | Municipal | 1.020 | 4850 | 26 | 4088 | 736 | 25 | 109 | 30 | 3 | 74 | 467 | 12 | 15 | 4947 | 751 | 
| 18 | INTERSECTION KING STREET | Municipal | 0.188 | 5100 | 27 | 4337 | 736 | 25 | 109 | 30 | 3 | 74 | 467 | 12 | 15 | 959 | 138 | 
| 18 | INTERSECTION CALL STREET | Municipal | 0.313 | 8200 | 47 | 7417 | 736 | 25 | 109 | 30 | 3 | 74 | 467 | 12 | 15 | 2567 | 230 | 
| 18 | INTERSECTION LAWLER STREET | Municipal | 0.124 | 9400 | 54 | 8496 | 850 | 42 | 183 | 51 | 6 | 74 | 467 | 12 | 15 | 1166 | 105 | 
| 18 | EAST JCT IA 4 & BROADWAY STREET | Municipal | 0.196 | 10000 | 58 | 9092 | 850 | 42 | 183 | 51 | 6 | 74 | 467 | 12 | 15 | 1960 | 167 | 
| 18 | INTERSECTION HURON STREET | Municipal | 0.496 | 6300 | 36 | 5635 | 629 | 34 | 148 | 41 | 5 | 52 | 330 | 9 | 11 | 3125 | 312 | 
| 18 | EAST LIMITS OF EMMETSBURG | Municipal | 0.201 | 3500 | 18 | 2898 | 583 | 27 | 118 | 33 | 4 | 52 | 330 | 9 | 11 | 704 | 117 | 
| 18 | JUNCTION 370TH STREET | Rural | 5.775 | 3600 | 19 | 2982 | 600 | 28 | 122 | 34 | 4 | 54 | 339 | 9 | 12 | 20790 | 3465 | 
| 18 | NORTH LIMITS OF CYLINDER AT | ||||||||||||||||
| 18 | INTERSECTION 2ND STREET | Rural | 1.483 | 3630 | 19 | 3011 | 600 | 28 | 122 | 34 | 4 | 54 | 339 | 9 | 12 | 5383 | 890 | 
| 18 | JUNCTION OREGON STREET AT | ||||||||||||||||
| 18 | SOUTH LIMITS OF CYLINDER | Municipal | 0.154 | 2350 | 11 | 1756 | 583 | 27 | 118 | 33 | 4 | 52 | 330 | 9 | 11 | 362 | 90 | 
| 18 | EAST JUNCTION CO RD N60 | Rural | 1.532 | 2590 | 13 | 1978 | 600 | 28 | 122 | 34 | 4 | 54 | 339 | 9 | 12 | 3968 | 919 | 
| 18 | WEST JUNCTION IA 15 AT | ||||||||||||||||
| 18 | WEST LINE OF KOSSUTH COUNTY | Rural | 3.983 | 2540 | 12 | 1928 | 600 | 28 | 122 | 34 | 4 | 54 | 339 | 9 | 12 | 10117 | 2390 | 
| ROUTE SUMMARY - RURAL | 23.574 | 3537 | 83375 | 14828 | |||||||||||||
| ROUTE SUMMARY - MUNICIPAL | 2.692 | 5865 | 15790 | 1910 | |||||||||||||