| Driver contributory factor | Severity of accident | Total |
| Fatal |
Serious |
Slight |
| Exceeding speed limit |
3 |
4 |
10 |
17 |
| Driving too fast for road environment |
11 |
45 |
121 |
177 |
| Driving too fast for other road users |
2 |
26 |
57 |
85 |
| Failing to keep to nearside of road |
0 |
3 |
15 |
18 |
| Driving too close to kerb |
2 |
24 |
94 |
120 |
| Driving too close to vehicle in front |
9 |
152 |
1328 |
1489 |
| Driving too close to vehicle alongside |
0 |
7 |
39 |
46 |
| Overtaking on offside negligently |
1 |
30 |
155 |
186 |
| Overtaking on nearside negligently |
1 |
9 |
95 |
105 |
| Careless lane changing |
4 |
74 |
634 |
712 |
| Reversing negligently |
4 |
67 |
276 |
347 |
| Turning right negligently |
11 |
79 |
318 |
408 |
| Turning left negligently |
1 |
38 |
158 |
197 |
| 'U-turning' negligently |
1 |
31 |
71 |
103 |
| Stopping negligently |
0 |
5 |
26 |
31 |
| Starting negligently |
5 |
60 |
243 |
308 |
| Disobeying traffic signal |
2 |
71 |
169 |
242 |
| Disobeying stop sign (Halt) |
0 |
4 |
31 |
35 |
| Disobeying give way sign (Slow) |
0 |
12 |
121 |
133 |
| Disobeying double white lines |
1 |
9 |
7 |
17 |
| Disobeying directions of police officer |
1 |
1 |
2 |
4 |
| Disobeying school crossing patrol |
0 |
0 |
0 |
0 |
| Opening door negligently |
0 |
8 |
47 |
55 |
| Overtaking in zebra controlled area |
0 |
0 |
1 |
1 |
| Failing to stop at zebra crossing |
1 |
3 |
11 |
15 |
| Failing to signal movement correctly |
0 |
1 |
7 |
8 |
| Emerging from side road negligently |
1 |
36 |
216 |
253 |
| Emerging from private drive negligently |
0 |
1 |
18 |
19 |
| Driving on wrong side of road |
4 |
26 |
60 |
90 |
| Vision affected by atmospheric conditions |
0 |
0 |
3 |
3 |
| Distracted by action inside vehicle |
0 |
3 |
23 |
26 |
| Distracted by action outside vehicle |
1 |
4 |
36 |
41 |
| Losing control (no apparent reason) |
9 |
60 |
120 |
189 |
| Asleep or drowsy |
2 |
34 |
57 |
93 |
| Consumption of drugs |
1 |
2 |
6 |
9 |
| Consumption of alcohol |
3 |
25 |
32 |
60 |
| Sudden illness |
0 |
5 |
9 |
14 |
| Physical handicap (vision) or mental handicap |
0 |
0 |
0 |
0 |
| Physical handicap (hearing) or mental handicap |
0 |
0 |
0 |
0 |
| Physical handicap (others) or mental handicap |
0 |
0 |
0 |
0 |
| Dazzled by sun |
0 |
2 |
3 |
5 |
| Dazzled by headlight |
0 |
0 |
2 |
2 |
| Dazzled by other lights |
0 |
0 |
0 |
0 |
| Losing control of vehicle |
14 |
200 |
620 |
834 |
| Trying to avoid collision or otherwise: swerving |
0 |
86 |
247 |
333 |
| Trying to avoid collision or otherwise: skidding |
0 |
8 |
36 |
44 |
| Trying to avoid collision or otherwise: stopping suddenly |
0 |
8 |
77 |
85 |
| Using telephone while driving |
0 |
0 |
1 |
1 |
| Listening to walkman while cycling |
0 |
0 |
1 |
1 |
| Listening to radio/music while driving |
0 |
0 |
0 |
0 |
| Other driver factor |
37 |
606 |
2472 |
3115 |