| Driver contributory factor | Severity of accident | Total |
| Fatal |
Serious |
Slight |
| Exceeding speed limit |
4 |
2 |
7 |
13 |
| Driving too fast for road environment |
7 |
62 |
190 |
259 |
| Driving too fast for other road users |
10 |
62 |
127 |
199 |
| Failing to keep to nearside of road |
0 |
5 |
13 |
18 |
| Driving too close to kerb |
3 |
42 |
228 |
273 |
| Driving too close to vehicle in front |
5 |
231 |
1896 |
2132 |
| Driving too close to vehicle alongside |
0 |
9 |
97 |
106 |
| Overtaking on offside negligently |
3 |
48 |
188 |
239 |
| Overtaking on nearside negligently |
1 |
15 |
79 |
95 |
| Careless lane changing |
2 |
198 |
1056 |
1256 |
| Reversing negligently |
10 |
68 |
371 |
449 |
| Turning right negligently |
15 |
113 |
450 |
578 |
| Turning left negligently |
2 |
39 |
230 |
271 |
| ‘U-turning’ negligently |
0 |
14 |
87 |
101 |
| Stopping negligently |
0 |
9 |
43 |
52 |
| Starting negligently |
4 |
89 |
433 |
526 |
| Disobeying traffic signal |
5 |
93 |
270 |
368 |
| Disobeying stop sign (Halt) |
0 |
9 |
54 |
63 |
| Disobeying give way sign (Slow) |
1 |
18 |
145 |
164 |
| Disobeying double white lines |
0 |
6 |
12 |
18 |
| Disobeying directions of police officer |
0 |
1 |
3 |
4 |
| Disobeying school crossing patrol |
0 |
0 |
0 |
0 |
| Opening door negligently |
0 |
4 |
76 |
80 |
| Overtaking in zebra controlled area |
0 |
1 |
2 |
3 |
| Failing to stop at zebra crossing |
1 |
9 |
17 |
27 |
| Failing to signal movement correctly |
0 |
1 |
5 |
6 |
| Emerging from side road negligently |
4 |
60 |
281 |
345 |
| Emerging from private drive negligently |
0 |
4 |
31 |
35 |
| Driving on wrong side of road |
5 |
33 |
98 |
136 |
| Vision affected by atmospheric conditions |
0 |
2 |
13 |
15 |
| Distracted by action inside vehicle |
0 |
12 |
44 |
56 |
| Distracted by action outside vehicle |
1 |
31 |
105 |
137 |
| Losing control (no apparent reason) |
7 |
58 |
226 |
291 |
| Asleep or drowsy |
2 |
22 |
63 |
87 |
| Consumption of drugs |
1 |
1 |
1 |
3 |
| Consumption of alcohol |
1 |
22 |
58 |
81 |
| Sudden illness |
0 |
6 |
14 |
20 |
| 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 |
1 |
0 |
1 |
| Dazzled by sun |
0 |
0 |
4 |
4 |
| Dazzled by headlight |
0 |
0 |
1 |
1 |
| Dazzled by other lights |
0 |
1 |
0 |
1 |
| Losing control of vehicle |
22 |
306 |
923 |
1251 |
| Trying to avoid collision or otherwise: swerving |
2 |
231 |
785 |
1018 |
| Trying to avoid collision or otherwise: skidding |
0 |
30 |
108 |
138 |
| Trying to avoid collision or otherwise: stopping suddenly |
0 |
41 |
192 |
233 |
| Using telephone while driving |
0 |
0 |
3 |
3 |
| Listening to walkman while cycling |
0 |
0 |
0 |
0 |
| Listening to radio/music while driving |
0 |
0 |
0 |
0 |
| Other driver factor |
19 |
439 |
1662 |
2120 |