| Contributory Factor - Driver | No. of Drivers |
| Driving inattentively | 3,592 |
| Driving too close to vehicle in front | 2,659 |
| Lost control of vehicle | 1,818 |
| Careless lane changing | 1,642 |
| Turning right/left negligently | 786 |
| Contributory Factor - Casualty (Driver, Passenger or Pedestrian) | No. of Casualties |
| Passenger lost balance, elsewhere except on stairway | 721 |
| Pedestrian inattentiveness | 577 |
| Passenger lost balance on stairway | 191 |
| Crossing road heedless of traffic (at crossing) | 141 |
| In road, not crossing (jay walking) | 95 |
| Contributory Factor - Vehicles | No. of Vehicles |
| Unidentified vehicle (hit-and-run) | 136 |
| Mechanical defect | 18 |
| Inadequate or no lights | 6 |
| Defective load: apparent overloading | 3 |
| Defective or illegal tyre | 3 |
| Contributory Factor - Accident Environment | No. of Accidents |
| Object or animal in road | 152 |
| Slippery road (not related to weather) | 120 |
| Pedestrian negligence | 118 |
| Defective traffic signal | 47 |
| Slippery road (caused by weather) | 42 |