| Causes | Frequencies | percent |
1 | Inattention | 83 | 55.3% |
2 | Over haste | 82 | 54.7% |
3 | Using mobiles while driving | 24 | 16% |
4 | Talking with others | 6 | 4% |
5 | Bypassing | 24 | 16% |
6 | Vehicle malfunction | 12 | 8% |
7 | Noncompliance of traffic light | 9 | 6% |
8 | Alcohol consumption | 5 | 3% |
9 | Others | 16 | 11% |
| Total | 150 | 100% |