| Value | Category | Cases | |
|---|---|---|---|
| 1 | Road surface defect1 | 398 |
1.7%
|
| 2 | Damaged culvert | 46 |
0.2%
|
| 3 | Animal | 524 |
2.2%
|
| 4 | Fallen tree | 19 |
0.1%
|
| 5 | Road works | 52 |
0.2%
|
| 6 | Stationery vehicle dangerously placed | 173 |
0.7%
|
| 7 | Other obstacle on road | 496 |
2.1%
|
| 8 | Other abnormal conditions | 413 |
1.7%
|
| 9 | Vision obscured - vegetation | 49 |
0.2%
|
| 10 | Vision obscured - other | 406 |
1.7%
|
| 11 | Glare | 96 |
0.4%
|
| 12 | No abnormal condition | 21330 |
88.9%
|