Volume of Traffic on the Primary Road System
| Route | 2005 | 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 | ||||||||||
| 680 | 78 Pottawattamie COUNTY | ||||||||||||||||
| 680 | NEBRASKA STATE LINE TO | ||||||||||||||||
| 680 | LOCAL ROAD INTERCHANGE | Rural | 1.098 | 18300 | 144 | 16241 | 1911 | 115 | 312 | 99 | 7 | 351 | 922 | 32 | 72 | 20093 | 2098 | 
| 680 | I 29 & CO RD G37 S. INTERCHANGE | Rural | 1.942 | 18300 | 144 | 16225 | 1928 | 115 | 311 | 99 | 7 | 356 | 935 | 32 | 73 | 35539 | 3744 | 
| 680 | DUPLICATE ROUTE WITH I 29 I 29 NORTH INTERCHANGE TO | ||||||||||||||||
| 680 | CO RD L34 INTERCHANGE | Rural | 8.277 | 6900 | 41 | 4599 | 2260 | 24 | 65 | 21 | 2 | 548 | 1439 | 49 | 112 | 57111 | 18706 | 
| 680 | IA 191 & CO RD G8L INTERCHANGE | Rural | 7.589 | 7100 | 43 | 4795 | 2261 | 23 | 64 | 20 | 2 | 549 | 1441 | 49 | 112 | 53882 | 17159 | 
| 680 | I 80 INTERCHANGE | Rural | 0.816 | 7700 | 47 | 5341 | 2311 | 25 | 69 | 22 | 2 | 559 | 1469 | 50 | 115 | 6283 | 1886 | 
| ROUTE SUMMARY - RURAL | 19.722 | 8767 | 172908 | 43593 | |||||||||||||
