| Behavior | Number | Percent |
|---|---|---|
| Driving too fast for conditions or in excess of posted limit or racing | 8,856 | 16.9% |
| Under the influence of alcohol, drugs, or medication | 5,507 | 10.5 |
| Failure to keep in proper lane | 3,826 | 7.3 |
| Failure to yield right of way | 3,711 | 7.1 |
| Distracted (phone, talking, eating, object, etc.) | 2,994 | 5.7 |
| Operating vehicle in a careless manner | 2,961 | 5.7 |
| Failure to obey traffic signs, signals, or officer | 2,095 | 4.0 |
| Operating vehicle in erratic, reckless or negligent manner | 1,996 | 3.8 |
| Overcorrecting/oversteering | 1,837 | 3.5 |
| Vision obscured (rain, snow, glare, lights, building, trees, etc.) | 1,581 | 3.0 |
| Drowsy, asleep, fatigued, ill, or blacked out | 1,306 | 2.5 |
| Driving wrong way in one-way traffic or wrong side of road | 1,187 | 2.3 |
| Swerving or avoiding due to wind, slippery surface, etc. | 1,103 | 2.1 |
| Making improper turn | 498 | 1.0 |
| Other factors | 6,225 | 11.9 |
| None reported | 13,421 | 25.7 |
| Unknown | 11,710 | 22.4 |
| Total drivers (1) | 52,274 (1) | 100.0% (1) |
