| Value | Category | Cases | |
|---|---|---|---|
| 1 | Road surface defect1 | 553 |
1.6%
|
| 2 | Damaged culvert | 97 |
0.3%
|
| 3 | Animal | 732 |
2.1%
|
| 4 | Fallen tree | 34 |
0.1%
|
| 5 | Road works | 83 |
0.2%
|
| 6 | Stationery vehicle dangerously placed | 297 |
0.9%
|
| 7 | Other obstacle on road | 898 |
2.6%
|
| 8 | Other abnormal conditions | 906 |
2.6%
|
| 9 | Vision obscured - vegetation | 45 |
0.1%
|
| 10 | Vision obscured - other | 460 |
1.3%
|
| 11 | Glare | 89 |
0.3%
|
| 12 | No abnormal condition | 30269 |
87.8%
|