Volume of Traffic on the Primary Road System
| 
                 Route  | 
            2007  | 
            
                 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 | ||||||||||
| 137 | 68 Monroe COUNTY | ||||||||||||||||
| 137 | JUNCTION IA 5 TO | ||||||||||||||||
| 137 | NORTH LIMITS OF ALBIA | Municipal | 0.693 | 3890 | 37 | 3532 | 321 | 12 | 53 | 21 | 3 | 65 | 151 | 11 | 4 | 2696 | 222 | 
| 137 | JUNCTION CO RD H27 | Rural | 0.249 | 3020 | 28 | 2664 | 328 | 13 | 54 | 22 | 3 | 66 | 155 | 11 | 4 | 752 | 82 | 
| 137 | JUNCTION CO RD H33 | Rural | 2.054 | 1880 | 16 | 1536 | 328 | 13 | 54 | 22 | 3 | 66 | 155 | 11 | 4 | 3862 | 674 | 
| 137 | INTERSECTION HEARTLAND DRIVE | Rural | 10.101 | 1860 | 16 | 1516 | 328 | 13 | 54 | 22 | 3 | 66 | 155 | 11 | 4 | 18788 | 3313 | 
| 137 | WEST LINE OF WAPELLO COUNTY | Rural | 0.519 | 3080 | 24 | 2227 | 829 | 37 | 160 | 63 | 8 | 157 | 366 | 27 | 11 | 1599 | 430 | 
| ROUTE SUMMARY - RURAL | 12.923 | 1935 | 25001 | 4499 | |||||||||||||
| ROUTE SUMMARY - MUNICIPAL | 0.693 | 3890 | 2696 | 222 | |||||||||||||