Aggregated 12-month totals by ZIP/postal area.
| ZIP | Area | Carriers | Crashes | Inspections | OOS% |
|---|---|---|---|---|---|
| US 50268 | What Cheer, IA | 14 | 0 | 2 | 0.00 |
| US 50269 | Whitten, IA | 1 | 0 | 0 | 0.00 |
| US 50272 | Williamson, IA | 2 | 0 | 0 | 0.00 |
| US 50274 | Wiota, IA | 5 | 0 | 3 | 0.00 |
| US 50275 | Woodburn, IA | 6 | 0 | 2 | 0.00 |
| US 50276 | Woodward, IA | 23 | 0 | 3 | 0.00 |
| US 50277 | Yale, IA | 17 | 0 | 5 | 0.00 |
| US 50278 | Zearing, IA | 19 | 0 | 5 | 0.00 |
| US 50290 | , | 1 | 0 | 5 | 120.00 |
| US 50306 | Des Moines, IA | 1 | 0 | 0 | 0.00 |
| US 50318 | Des Moines, IA | 1 | 0 | 0 | 0.00 |
| US 50319 | Des Moines, IA | 1 | 0 | 0 | 0.00 |
| US 50333 | Des Moines, IA | 1 | 0 | 0 | 0.00 |
| US 50403 | , | 1 | 0 | 0 | 0.00 |
| US 50420 | Alexander, IA | 11 | 0 | 5 | 20.00 |
| US 50427 | Chapin, IA | 1 | 0 | 0 | 0.00 |
| US 50435 | Floyd, IA | 15 | 0 | 2 | 150.00 |
| US 50439 | Goodell, IA | 1 | 0 | 0 | 0.00 |
| US 50440 | Grafton, IA | 6 | 0 | 1 | 0.00 |
| US 50444 | Hanlontown, IA | 10 | 0 | 0 | 0.00 |
| US 50447 | Kanawha, IA | 24 | 0 | 8 | 0.00 |
| US 50448 | Kensett, IA | 12 | 0 | 5 | 60.00 |
| US 50449 | Klemme, IA | 17 | 0 | 8 | 12.50 |
| US 50451 | Lakota, IA | 14 | 0 | 5 | 20.00 |
| US 50454 | Little Cedar, IA | 4 | 0 | 0 | 0.00 |
| US 50455 | Mc Intire, IA | 9 | 0 | 4 | 0.00 |
| US 50456 | Manly, IA | 24 | 0 | 9 | 11.11 |
| US 50457 | Meservey, IA | 16 | 0 | 8 | 25.00 |
| US 50458 | Nora Springs, IA | 23 | 0 | 2 | 0.00 |
| US 50459 | Northwood, IA | 42 | 0 | 15 | 13.33 |
| US 50464 | Plymouth, IA | 8 | 0 | 2 | 0.00 |
| US 50466 | Riceville, IA | 48 | 0 | 23 | 17.39 |
| US 50467 | Rock Falls, IA | 3 | 0 | 0 | 0.00 |
| US 50469 | Rockwell, IA | 26 | 0 | 10 | 80.00 |
| US 50471 | Rudd, IA | 18 | 0 | 8 | 12.50 |
| US 50473 | Scarville, IA | 4 | 0 | 0 | 0.00 |
| US 50476 | Stacyville, IA | 29 | 0 | 5 | 80.00 |
| US 50477 | Swaledale, IA | 9 | 0 | 2 | 150.00 |
| US 50478 | Thompson, IA | 25 | 0 | 6 | 0.00 |
| US 50479 | Thornton, IA | 18 | 0 | 8 | 0.00 |
| US 50480 | Titonka, IA | 13 | 0 | 6 | 0.00 |
| US 50482 | Ventura, IA | 13 | 0 | 9 | 0.00 |
| US 50483 | Wesley, IA | 21 | 0 | 7 | 0.00 |
| US 50484 | Woden, IA | 11 | 0 | 6 | 16.67 |
| US 50515 | Ayrshire, IA | 10 | 0 | 1 | 0.00 |
| US 50516 | Badger, IA | 8 | 0 | 3 | 0.00 |
| US 50517 | Bancroft, IA | 41 | 0 | 24 | 16.67 |
| US 50518 | Barnum, IA | 5 | 0 | 1 | 0.00 |
| US 50519 | Bode, IA | 8 | 0 | 0 | 0.00 |
| US 50520 | Bradgate, IA | 4 | 0 | 0 | 0.00 |
| US 50523 | Callender, IA | 8 | 0 | 4 | 0.00 |
| US 50524 | Clare, IA | 15 | 0 | 2 | 0.00 |
| US 50525 | Clarion, IA | 48 | 0 | 30 | 40.00 |
| US 50527 | Curlew, IA | 11 | 0 | 2 | 100.00 |
| US 50528 | Cylinder, IA | 14 | 0 | 0 | 0.00 |
| US 50529 | Dakota City, IA | 3 | 0 | 0 | 0.00 |
| US 50530 | Dayton, IA | 28 | 0 | 11 | 0.00 |
| US 50535 | Early, IA | 26 | 0 | 25 | 20.00 |
| US 50537 | , | 1 | 0 | 0 | 0.00 |
| US 50538 | Farnhamville, IA | 11 | 0 | 6 | 0.00 |
| US 50539 | Fenton, IA | 13 | 0 | 4 | 0.00 |
| US 50543 | Gowrie, IA | 26 | 0 | 12 | 8.33 |
| US 50545 | Hardy, IA | 5 | 0 | 0 | 0.00 |
| US 50546 | Havelock, IA | 14 | 0 | 2 | 0.00 |
| US 50552 | Knierim, IA | 1 | 0 | 0 | 0.00 |
| US 50556 | Ledyard, IA | 6 | 0 | 1 | 0.00 |
| US 50557 | Lehigh, IA | 6 | 0 | 8 | 12.50 |
| US 50558 | Livermore, IA | 11 | 0 | 8 | 0.00 |
| US 50559 | Lone Rock, IA | 17 | 0 | 2 | 50.00 |
| US 50560 | Lu Verne, IA | 19 | 0 | 4 | 25.00 |
| US 50561 | Lytton, IA | 6 | 0 | 2 | 50.00 |
| US 50562 | Mallard, IA | 13 | 0 | 2 | 0.00 |
| US 50565 | Marathon, IA | 13 | 0 | 0 | 0.00 |
| US 50566 | Moorland, IA | 10 | 0 | 5 | 40.00 |
| US 50567 | Nemaha, IA | 10 | 0 | 3 | 0.00 |
| US 50569 | Otho, IA | 9 | 0 | 3 | 0.00 |
| US 50571 | Palmer, IA | 17 | 0 | 12 | 0.00 |
| US 50575 | Pomeroy, IA | 17 | 0 | 5 | 0.00 |
| US 50577 | Renwick, IA | 15 | 0 | 12 | 25.00 |
| US 50578 | Ringsted, IA | 20 | 0 | 0 | 0.00 |
| US 50582 | Rutland, IA | 8 | 0 | 0 | 0.00 |
| US 50586 | Somers, IA | 11 | 0 | 3 | 0.00 |
| US 50588 | Storm Lake, IA | 116 | 0 | 60 | 18.33 |
| US 50590 | Swea City, IA | 22 | 0 | 3 | 33.33 |
| US 50591 | Thor, IA | 2 | 0 | 2 | 0.00 |
| US 50594 | Vincent, IA | 4 | 0 | 0 | 0.00 |
| US 50599 | Woolstock, IA | 10 | 0 | 1 | 0.00 |
| US 50601 | Ackley, IA | 52 | 0 | 12 | 66.67 |
| US 50602 | Allison, IA | 38 | 0 | 22 | 4.55 |
| US 50603 | Alta Vista, IA | 9 | 0 | 3 | 133.33 |
| US 50605 | Aredale, IA | 4 | 0 | 3 | 33.33 |
| US 50606 | Arlington, IA | 23 | 0 | 5 | 20.00 |
| US 50607 | Aurora, IA | 23 | 0 | 10 | 20.00 |
| US 50608 | Austinville, IA | 2 | 0 | 0 | 0.00 |
| US 50611 | Bristow, IA | 21 | 0 | 5 | 20.00 |
| US 50612 | Buckingham, IA | 6 | 0 | 1 | 0.00 |
| US 50615 | , | 1 | 0 | 0 | 0.00 |
| US 50622 | Denver, IA | 16 | 0 | 11 | 45.45 |
| US 50623 | Dewar, IA | 1 | 0 | 0 | 0.00 |
| US 50624 | Dike, IA | 15 | 0 | 10 | 0.00 |
| US 50625 | Dumont, IA | 23 | 0 | 4 | 0.00 |
| US 50629 | Fairbank, IA | 33 | 0 | 7 | 0.00 |
| US 50631 | Frederika, IA | 1 | 0 | 0 | 0.00 |
| US 50632 | Garwin, IA | 20 | 0 | 4 | 25.00 |
| US 50638 | Grundy Center, IA | 43 | 0 | 15 | 6.67 |
| US 50647 | Janesville, IA | 15 | 0 | 3 | 33.33 |
| US 50652 | Lincoln, IA | 2 | 0 | 0 | 0.00 |
| US 50653 | Marble Rock, IA | 12 | 0 | 2 | 0.00 |
| US 50654 | Masonville, IA | 13 | 0 | 6 | 0.00 |
| US 50655 | Maynard, IA | 7 | 0 | 1 | 0.00 |
| US 50657 | Morrison, IA | 1 | 0 | 0 | 0.00 |
| US 50660 | New Hartford, IA | 17 | 0 | 5 | 0.00 |
| US 50664 | Oran, IA | 2 | 0 | 0 | 0.00 |
| US 50667 | Raymond, IA | 5 | 0 | 1 | 0.00 |
| US 50670 | Shell Rock, IA | 26 | 0 | 16 | 18.75 |
| US 50671 | Stanley, IA | 3 | 0 | 1 | 100.00 |
| US 50673 | Stout, IA | 1 | 0 | 0 | 0.00 |
| US 50704 | Waterloo, IA | 7 | 0 | 0 | 0.00 |
| US 50706 | , | 2 | 0 | 0 | 0.00 |
| US 50831 | Arispe, IA | 1 | 0 | 0 | 0.00 |
| US 50837 | Bridgewater, IA | 7 | 0 | 2 | 50.00 |
| US 50840 | Clearfield, IA | 14 | 0 | 8 | 37.50 |
| US 50842 | Cromwell, IA | 1 | 0 | 0 | 0.00 |
| US 50847 | Grant, IA | 3 | 0 | 0 | 0.00 |
| US 50848 | Gravity, IA | 7 | 0 | 3 | 66.67 |
| US 50851 | Lenox, IA | 37 | 0 | 11 | 45.45 |
| US 50853 | Massena, IA | 12 | 0 | 18 | 38.89 |
| US 50854 | Mount Ayr, IA | 43 | 0 | 18 | 0.00 |
| US 50857 | Nodaway, IA | 7 | 0 | 0 | 0.00 |
| US 50858 | Orient, IA | 5 | 0 | 5 | 20.00 |
| US 50859 | Prescott, IA | 16 | 0 | 2 | 0.00 |
| US 50860 | Redding, IA | 3 | 0 | 1 | 800.00 |
| US 50862 | Sharpsburg, IA | 2 | 0 | 2 | 0.00 |
| US 50863 | Tingley, IA | 7 | 0 | 1 | 200.00 |
| US 51001 | Akron, IA | 46 | 0 | 19 | 63.16 |
| US 51003 | Alton, IA | 25 | 0 | 11 | 0.00 |
| US 51005 | Aurelia, IA | 21 | 0 | 10 | 60.00 |
| US 51007 | Bronson, IA | 2 | 0 | 0 | 0.00 |
| US 51008 | Brunsville, IA | 1 | 0 | 0 | 0.00 |
| US 51009 | Calumet, IA | 6 | 0 | 2 | 50.00 |
| US 51014 | Cleghorn, IA | 12 | 0 | 9 | 11.11 |
| US 51015 | Climbing Hill, IA | 1 | 0 | 1 | 0.00 |
| US 51018 | Cushing, IA | 9 | 0 | 2 | 50.00 |
| US 51019 | Danbury, IA | 29 | 0 | 5 | 40.00 |
| US 51026 | Hornick, IA | 21 | 0 | 4 | 50.00 |
| US 51029 | Larrabee, IA | 6 | 0 | 0 | 0.00 |
| US 51033 | Linn Grove, IA | 10 | 0 | 4 | 0.00 |
| US 51034 | Mapleton, IA | 33 | 0 | 12 | 33.33 |
| US 51037 | Meriden, IA | 8 | 0 | 8 | 0.00 |
| US 51041 | Orange City, IA | 56 | 0 | 38 | 15.79 |
| US 51044 | Oto, IA | 4 | 0 | 1 | 0.00 |
| US 51045 | Oyens, IA | 1 | 0 | 0 | 0.00 |
| US 51046 | Paullina, IA | 43 | 0 | 37 | 24.32 |
| US 51047 | Peterson, IA | 16 | 0 | 6 | 16.67 |
| US 51048 | Pierson, IA | 7 | 0 | 0 | 0.00 |
| US 51049 | Quimby, IA | 9 | 0 | 6 | 0.00 |
| US 51050 | Remsen, IA | 46 | 0 | 23 | 4.35 |
| US 51051 | Rodney, IA | 6 | 0 | 1 | 0.00 |
| US 51052 | Salix, IA | 13 | 0 | 6 | 116.67 |
| US 51054 | Sergeant Bluff, IA | 24 | 0 | 12 | 25.00 |
| US 51056 | Smithland, IA | 8 | 0 | 0 | 0.00 |
| US 51058 | Sutherland, IA | 21 | 0 | 12 | 16.67 |
| US 51059 | , | 1 | 0 | 0 | 0.00 |
| US 51060 | Ute, IA | 18 | 0 | 7 | 0.00 |
| US 51061 | Washta, IA | 14 | 0 | 7 | 0.00 |
| US 51102 | Sioux City, IA | 5 | 0 | 3 | 33.33 |
| US 51104 | Sioux City, IA | 44 | 0 | 25 | 12.00 |
| US 51231 | Archer, IA | 9 | 0 | 8 | 12.50 |
| US 51237 | George, IA | 36 | 0 | 7 | 14.29 |
| US 51238 | Hospers, IA | 27 | 0 | 40 | 10.00 |
| US 51242 | Lester, IA | 14 | 0 | 4 | 0.00 |
| US 51244 | Matlock, IA | 2 | 0 | 1 | 0.00 |
| US 51245 | Primghar, IA | 22 | 0 | 16 | 12.50 |
| US 51331 | Arnolds Park, IA | 7 | 0 | 0 | 0.00 |
| US 51338 | Everly, IA | 11 | 0 | 3 | 66.67 |
| US 51340 | Fostoria, IA | 2 | 0 | 0 | 0.00 |
| US 51341 | Gillett Grove, IA | 1 | 0 | 1 | 0.00 |
| US 51343 | Greenville, IA | 4 | 0 | 1 | 0.00 |
| US 51347 | Lake Park, IA | 21 | 0 | 0 | 0.00 |
| US 51350 | Melvin, IA | 11 | 0 | 4 | 0.00 |
| US 51351 | Milford, IA | 45 | 0 | 14 | 0.00 |
| US 51355 | Okoboji, IA | 6 | 0 | 0 | 0.00 |
| US 51357 | Royal, IA | 13 | 0 | 4 | 0.00 |
| US 51364 | Terril, IA | 16 | 0 | 4 | 0.00 |
| US 51365 | Wallingford, IA | 6 | 0 | 0 | 0.00 |
| US 51431 | Arthur, IA | 9 | 0 | 2 | 200.00 |
| US 51432 | Aspinwall, IA | 1 | 0 | 5 | 0.00 |
| US 51433 | Auburn, IA | 16 | 0 | 6 | 16.67 |
| US 51440 | Dedham, IA | 14 | 0 | 1 | 0.00 |
| US 51441 | Deloit, IA | 3 | 0 | 3 | 0.00 |
| US 51443 | Glidden, IA | 32 | 0 | 16 | 6.25 |
| US 51444 | Halbur, IA | 5 | 0 | 0 | 0.00 |
| US 51445 | Ida Grove, IA | 34 | 0 | 55 | 25.45 |
| US 51447 | Kirkman, IA | 6 | 0 | 0 | 0.00 |
| US 51448 | Kiron, IA | 13 | 0 | 3 | 0.00 |
| US 51449 | Lake City, IA | 26 | 0 | 12 | 33.33 |
| US 51450 | Lake View, IA | 26 | 0 | 23 | 17.39 |
| US 51451 | Lanesboro, IA | 1 | 0 | 1 | 0.00 |
| US 51452 | Lidderdale, IA | 3 | 0 | 3 | 33.33 |
| US 51453 | Lohrville, IA | 11 | 0 | 3 | 33.33 |