Aggregated 12-month totals by ZIP / postal area. 46,514 areas indexed.
| ZIP | Area | Carriers | Crashes | Inspections | Violations | OOS% |
|---|---|---|---|---|---|---|
| US 22209 | Arlington, VA | 18 | 0 | 9 | 27 | 111.11 |
| US 22207 | Arlington, VA | 16 | 0 | 8 | 16 | 125.00 |
| US 22206 | Arlington, VA | 37 | 0 | 130 | 209 | 32.31 |
| US 22205 | Arlington, VA | 16 | 0 | 92 | 102 | 26.09 |
| US 22202 | Arlington, VA | 16 | 0 | 2 | 4 | 50.00 |
| US 22200 | , | 5 | 0 | 84 | 86 | 25.00 |
| US 22199 | Lorton, VA | 1 | 0 | 0 | 0 | 0.00 |
| US 22195 | Woodbridge, VA | 2 | 0 | 0 | 0 | 0.00 |
| US 22183 | Vienna, VA | 2 | 0 | 0 | 0 | 0.00 |
| US 22181 | Vienna, VA | 10 | 0 | 0 | 0 | 0.00 |
| US 22176 | , | 1 | 0 | 10 | 27 | 60.00 |
| US 22170 | , | 4 | 0 | 67 | 95 | 40.30 |
| US 22168 | , | 1 | 0 | 0 | 0 | 0.00 |
| US 22140 | , | 1 | 0 | 0 | 0 | 0.00 |
| US 22134 | Quantico, VA | 3 | 0 | 3 | 8 | 100.00 |
| US 22127 | , | 1 | 0 | 0 | 0 | 0.00 |
| US 22126 | , | 2 | 0 | 17 | 21 | 35.29 |
| US 22125 | Occoquan, VA | 5 | 0 | 25 | 67 | 32.00 |
| US 22124 | Oakton, VA | 12 | 0 | 3 | 13 | 66.67 |
| US 22122 | Newington, VA | 5 | 0 | 0 | 0 | 0.00 |
| US 22120 | , | 1 | 0 | 0 | 0 | 0.00 |
| US 22117 | , | 4 | 0 | 15 | 18 | 40.00 |
| US 22116 | Merrifield, VA | 3 | 0 | 2 | 6 | 100.00 |
| US 22115 | , | 3 | 0 | 10 | 6 | 10.00 |
| US 22114 | , | 1 | 0 | 0 | 0 | 0.00 |
| US 22106 | Mc Lean, VA | 3 | 0 | 24 | 29 | 25.00 |
| US 22105 | , | 5 | 0 | 126 | 92 | 19.84 |
| US 22104 | , | 2 | 0 | 152 | 164 | 16.45 |
| US 22100 | , | 3 | 0 | 20 | 48 | 45.00 |
| US 22082 | Merrifield, VA | 1 | 0 | 0 | 0 | 0.00 |
| US 22060 | Fort Belvoir, VA | 5 | 0 | 0 | 0 | 0.00 |
| US 22049 | , | 1 | 0 | 0 | 0 | 0.00 |
| US 22044 | Falls Church, VA | 20 | 0 | 6 | 5 | 16.67 |
| US 22039 | Fairfax Station, VA | 13 | 0 | 2 | 2 | 100.00 |
| US 22034 | Fairfax, VA | 1 | 0 | 0 | 0 | 0.00 |
| US 22027 | Dunn Loring, VA | 2 | 0 | 0 | 0 | 0.00 |
| US 22025 | Dumfries, VA | 39 | 0 | 17 | 27 | 47.06 |
| US 22014 | , | 2 | 0 | 11 | 1 | 0.00 |
| US 22010 | , | 5 | 0 | 25 | 14 | 12.00 |
| US 21960 | , | 1 | 0 | 2 | 4 | 200.00 |
| US 21930 | Georgetown, MD | 1 | 0 | 0 | 0 | 0.00 |
| US 21922 | Elkton, MD | 1 | 0 | 12 | 31 | 125.00 |
| US 21920 | Elk Mills, MD | 2 | 0 | 4 | 8 | 125.00 |
| US 21919 | Earleville, MD | 26 | 0 | 40 | 26 | 32.50 |
| US 21917 | Colora, MD | 25 | 0 | 27 | 49 | 40.74 |
| US 21915 | Chesapeake City, MD | 19 | 0 | 9 | 6 | 33.33 |
| US 21913 | Cecilton, MD | 8 | 0 | 4 | 9 | 125.00 |
| US 21901 | North East, MD | 92 | 0 | 63 | 77 | 46.03 |
| US 21874 | Willards, MD | 29 | 0 | 15 | 6 | 13.33 |
| US 21872 | Whaleyville, MD | 6 | 0 | 0 | 0 | 0.00 |
| US 21871 | Westover, MD | 27 | 0 | 23 | 19 | 26.09 |
| US 21869 | Vienna, MD | 22 | 0 | 24 | 10 | 8.33 |
| US 21867 | Upper Fairmount, MD | 2 | 0 | 0 | 0 | 0.00 |
| US 21865 | Tyaskin, MD | 5 | 0 | 3 | 0 | 0.00 |
| US 21864 | Stockton, MD | 3 | 0 | 0 | 0 | 0.00 |
| US 21862 | Showell, MD | 2 | 0 | 0 | 0 | 0.00 |
| US 21861 | Sharptown, MD | 6 | 0 | 11 | 9 | 27.27 |
| US 21856 | Quantico, MD | 6 | 0 | 3 | 4 | 0.00 |
| US 21843 | Ocean City, MD | 1 | 0 | 0 | 0 | 0.00 |
| US 21840 | Nanticoke, MD | 3 | 0 | 1 | 0 | 0.00 |
| US 21838 | Marion Station, MD | 23 | 0 | 0 | 0 | 0.00 |
| US 21837 | Mardela Springs, MD | 34 | 0 | 15 | 16 | 6.67 |
| US 21835 | Linkwood, MD | 3 | 0 | 7 | 3 | 0.00 |
| US 21829 | Girdletree, MD | 3 | 0 | 0 | 0 | 0.00 |
| US 21821 | Deal Island, MD | 4 | 0 | 2 | 1 | 0.00 |
| US 21814 | Bivalve, MD | 3 | 0 | 0 | 0 | 0.00 |
| US 21813 | Bishopville, MD | 41 | 0 | 27 | 51 | 25.93 |
| US 21798 | Woodsboro, MD | 30 | 0 | 16 | 23 | 68.75 |
| US 21794 | West Friendship, MD | 27 | 0 | 11 | 26 | 45.45 |
| US 21793 | Walkersville, MD | 64 | 0 | 50 | 86 | 58.00 |
| US 21791 | Union Bridge, MD | 94 | 0 | 63 | 74 | 30.16 |
| US 21790 | Tuscarora, MD | 4 | 0 | 10 | 20 | 50.00 |
| US 21780 | Sabillasville, MD | 15 | 0 | 4 | 2 | 50.00 |
| US 21779 | Rohrersville, MD | 7 | 0 | 0 | 0 | 0.00 |
| US 21778 | Rocky Ridge, MD | 25 | 0 | 11 | 7 | 18.18 |
| US 21777 | Point Of Rocks, MD | 8 | 0 | 4 | 6 | 75.00 |
| US 21775 | New Midway, MD | 2 | 0 | 1 | 1 | 100.00 |
| US 21774 | New Market, MD | 52 | 0 | 39 | 18 | 10.26 |
| US 21773 | Myersville, MD | 46 | 0 | 8 | 14 | 25.00 |
| US 21765 | Lisbon, MD | 3 | 0 | 4 | 0 | 25.00 |
| US 21758 | Knoxville, MD | 41 | 0 | 30 | 59 | 100.00 |
| US 21746 | Hagerstown, MD | 1 | 0 | 0 | 0 | 0.00 |
| US 21734 | Funkstown, MD | 3 | 0 | 2 | 2 | 100.00 |
| US 21733 | Fairplay, MD | 13 | 0 | 2 | 3 | 50.00 |
| US 21723 | Cooksville, MD | 7 | 0 | 0 | 0 | 0.00 |
| US 21721 | Chewsville, MD | 1 | 0 | 6 | 1 | 0.00 |
| US 21719 | Cascade, MD | 1 | 0 | 0 | 0 | 0.00 |
| US 21718 | Burkittsville, MD | 1 | 0 | 0 | 0 | 0.00 |
| US 21716 | Brunswick, MD | 11 | 0 | 22 | 36 | 77.27 |
| US 21710 | Adamstown, MD | 43 | 0 | 23 | 27 | 52.17 |
| US 21706 | , | 1 | 0 | 113 | 92 | 14.16 |
| US 21681 | , | 1 | 0 | 0 | 0 | 0.00 |
| US 21679 | Wye Mills, MD | 6 | 0 | 0 | 0 | 0.00 |
| US 21678 | Worton, MD | 31 | 0 | 24 | 36 | 95.83 |
| US 21676 | Wittman, MD | 10 | 0 | 23 | 19 | 13.04 |
| US 21675 | Wingate, MD | 1 | 0 | 0 | 0 | 0.00 |
| US 21672 | Toddville, MD | 2 | 0 | 0 | 0 | 0.00 |
| US 21671 | Tilghman, MD | 15 | 0 | 2 | 2 | 50.00 |
| US 21667 | Still Pond, MD | 4 | 0 | 2 | 6 | 100.00 |
| US 21665 | Sherwood, MD | 3 | 0 | 1 | 5 | 200.00 |
| US 21664 | Secretary, MD | 7 | 0 | 21 | 30 | 42.86 |
| US 21663 | Saint Michaels, MD | 45 | 0 | 31 | 25 | 16.13 |
| US 21662 | Royal Oak, MD | 8 | 0 | 4 | 6 | 75.00 |
| US 21661 | Rock Hall, MD | 27 | 0 | 5 | 6 | 60.00 |
| US 21660 | Ridgely, MD | 67 | 0 | 47 | 41 | 23.40 |
| US 21659 | Rhodesdale, MD | 33 | 0 | 26 | 19 | 26.92 |
| US 21658 | Queenstown, MD | 91 | 0 | 101 | 151 | 49.50 |
| US 21654 | Oxford, MD | 6 | 0 | 3 | 6 | 0.00 |
| US 21653 | Newcomb, MD | 1 | 0 | 0 | 0 | 0.00 |
| US 21652 | Neavitt, MD | 3 | 0 | 1 | 4 | 100.00 |
| US 21650 | Massey, MD | 7 | 0 | 19 | 6 | 21.05 |
| US 21649 | Marydel, MD | 30 | 0 | 27 | 32 | 40.74 |
| US 21648 | Madison, MD | 2 | 0 | 4 | 17 | 50.00 |
| US 21647 | Mcdaniel, MD | 14 | 0 | 1 | 4 | 100.00 |
| US 21638 | Grasonville, MD | 69 | 0 | 134 | 67 | 9.70 |
| US 21636 | Goldsboro, MD | 14 | 0 | 10 | 8 | 70.00 |
| US 21635 | Galena, MD | 19 | 0 | 24 | 12 | 4.17 |
| US 21634 | Fishing Creek, MD | 8 | 0 | 2 | 2 | 0.00 |
| US 21631 | East New Market, MD | 48 | 0 | 78 | 67 | 23.08 |
| US 21628 | Crumpton, MD | 6 | 0 | 1 | 3 | 100.00 |
| US 21624 | Claiborne, MD | 1 | 0 | 0 | 0 | 0.00 |
| US 21623 | Church Hill, MD | 41 | 0 | 38 | 34 | 36.84 |
| US 21622 | Church Creek, MD | 15 | 0 | 3 | 0 | 0.00 |
| US 21610 | Betterton, MD | 3 | 0 | 0 | 0 | 0.00 |
| US 21607 | Barclay, MD | 12 | 0 | 24 | 25 | 29.17 |
| US 21600 | , | 6 | 0 | 307 | 263 | 18.24 |
| US 21562 | Westernport, MD | 12 | 0 | 11 | 4 | 9.09 |
| US 21561 | Swanton, MD | 19 | 0 | 0 | 0 | 0.00 |
| US 21557 | Rawlings, MD | 5 | 0 | 2 | 1 | 50.00 |
| US 21556 | Pinto, MD | 2 | 0 | 0 | 0 | 0.00 |
| US 21555 | Oldtown, MD | 18 | 0 | 2 | 3 | 50.00 |
| US 21543 | Midlothian, MD | 2 | 0 | 4 | 6 | 0.00 |
| US 21541 | Mc Henry, MD | 28 | 0 | 2 | 7 | 100.00 |
| US 21539 | Lonaconing, MD | 21 | 0 | 2 | 0 | 0.00 |
| US 21538 | Kitzmiller, MD | 3 | 0 | 1 | 5 | 200.00 |
| US 21530 | Flintstone, MD | 17 | 0 | 6 | 0 | 0.00 |
| US 21529 | Ellerslie, MD | 1 | 0 | 0 | 0 | 0.00 |
| US 21528 | Eckhart Mines, MD | 1 | 0 | 25 | 3 | 0.00 |
| US 21524 | Corriganville, MD | 5 | 0 | 4 | 2 | 0.00 |
| US 21523 | Bloomington, MD | 2 | 0 | 6 | 6 | 33.33 |
| US 21522 | Bittinger, MD | 2 | 0 | 0 | 0 | 0.00 |
| US 21521 | Barton, MD | 18 | 0 | 12 | 11 | 58.33 |
| US 21504 | Cumberland, MD | 1 | 0 | 1 | 0 | 0.00 |
| US 21501 | Cumberland, MD | 2 | 0 | 3 | 1 | 0.00 |
| US 21472 | , | 1 | 0 | 4 | 1 | 25.00 |
| US 21470 | , | 1 | 0 | 0 | 0 | 0.00 |
| US 21460 | , | 1 | 0 | 4 | 0 | 0.00 |
| US 21449 | , | 1 | 0 | 10 | 6 | 30.00 |
| US 21440 | , | 4 | 0 | 186 | 103 | 12.90 |
| US 21430 | , | 3 | 0 | 63 | 27 | 12.70 |
| US 21405 | Annapolis, MD | 2 | 0 | 1 | 0 | 0.00 |
| US 21402 | Annapolis, MD | 1 | 0 | 0 | 0 | 0.00 |
| US 21400 | , | 2 | 0 | 20 | 8 | 15.00 |
| US 21399 | , | 3 | 0 | 54 | 112 | 62.96 |
| US 21394 | , | 1 | 0 | 27 | 18 | 14.81 |
| US 21390 | , | 2 | 0 | 348 | 150 | 8.62 |
| US 21389 | , | 2 | 0 | 18 | 33 | 44.44 |
| US 21387 | , | 1 | 0 | 0 | 0 | 0.00 |
| US 21385 | , | 1 | 0 | 7 | 4 | 14.29 |
| US 21380 | , | 1 | 0 | 149 | 72 | 13.42 |
| US 21379 | , | 1 | 0 | 236 | 46 | 4.66 |
| US 21378 | , | 1 | 0 | 10 | 14 | 30.00 |
| US 21370 | , | 1 | 0 | 82 | 41 | 8.54 |
| US 21360 | , | 4 | 0 | 195 | 53 | 5.13 |
| US 21359 | , | 1 | 0 | 274 | 225 | 14.23 |
| US 21301 | , | 1 | 0 | 1 | 2 | 300.00 |
| US 21297 | Baltimore, MD | 1 | 0 | 0 | 0 | 0.00 |
| US 21290 | Baltimore, MD | 4 | 0 | 33 | 34 | 21.21 |
| US 21287 | Baltimore, MD | 1 | 0 | 0 | 0 | 0.00 |
| US 21286 | Towson, MD | 54 | 0 | 42 | 50 | 33.33 |
| US 21282 | Pikesville, MD | 1 | 0 | 1 | 1 | 0.00 |
| US 21266 | , | 1 | 0 | 90 | 25 | 6.67 |
| US 21260 | , | 1 | 0 | 0 | 0 | 0.00 |
| US 21259 | , | 1 | 0 | 13 | 9 | 0.00 |
| US 21240 | Baltimore, MD | 4 | 0 | 242 | 21 | 3.72 |
| US 21217 | Baltimore, MD | 84 | 0 | 37 | 91 | 67.57 |
| US 21214 | Baltimore, MD | 95 | 0 | 27 | 56 | 48.15 |
| US 21212 | Baltimore, MD | 69 | 0 | 27 | 62 | 81.48 |
| US 21210 | Baltimore, MD | 16 | 0 | 72 | 35 | 15.28 |
| US 21203 | Baltimore, MD | 2 | 0 | 2 | 0 | 0.00 |
| US 21201 | Baltimore, MD | 51 | 0 | 12 | 11 | 41.67 |
| US 21200 | , | 1 | 0 | 57 | 42 | 35.09 |
| US 21190 | , | 1 | 0 | 0 | 0 | 0.00 |
| US 21167 | , | 1 | 0 | 0 | 0 | 0.00 |
| US 21160 | Whiteford, MD | 38 | 0 | 18 | 14 | 27.78 |
| US 21156 | Upper Falls, MD | 6 | 0 | 3 | 1 | 0.00 |
| US 21153 | Stevenson, MD | 4 | 0 | 0 | 0 | 0.00 |
| US 21146 | Severna Park, MD | 101 | 0 | 62 | 119 | 72.58 |
| US 21140 | Riva, MD | 9 | 0 | 1 | 6 | 500.00 |
| US 21139 | Riderwood, MD | 1 | 0 | 0 | 0 | 0.00 |
| US 21132 | Pylesville, MD | 34 | 0 | 15 | 25 | 66.67 |
| US 21130 | Perryman, MD | 3 | 0 | 0 | 0 | 0.00 |
| US 21123 | Pasadena, MD | 4 | 0 | 1 | 1 | 100.00 |
| US 21111 | Monkton, MD | 35 | 0 | 35 | 27 | 28.57 |
| US 21106 | Mayo, MD | 2 | 0 | 0 | 0 | 0.00 |
| US 21105 | Maryland Line, MD | 2 | 0 | 1 | 0 | 0.00 |
| US 21101 | , | 2 | 0 | 0 | 0 | 0.00 |
| US 21082 | Hydes, MD | 7 | 0 | 1 | 3 | 200.00 |
| US 21071 | Glyndon, MD | 2 | 0 | 1 | 1 | 0.00 |
| US 21057 | Glen Arm, MD | 47 | 0 | 29 | 19 | 17.24 |