Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Mon 9 Jan 1989 | Watford | 1 | 1 | Slight |
| Sat 11 Feb 1989 | Watford | 1 | 1 | Slight |
| Sat 18 Mar 1989 | Watford | 2 | 1 | Slight |
| Fri 5 May 1989 | Watford | 2 | 1 | Slight |
| Sat 6 May 1989 | Watford | 2 | 1 | Slight |
| Tue 9 May 1989 | Watford | 2 | 1 | Slight |
| Fri 12 May 1989 | Watford | 3 | 1 | Slight |
| Fri 26 May 1989 | Watford | 2 | 1 | Slight |
| Wed 13 Sep 1989 | Watford | 2 | 2 | Slight |
| Sat 23 Sep 1989 | Watford | 2 | 1 | Slight |
| Fri 24 Nov 1989 | Watford | 3 | 2 | Serious |
| Sat 23 Dec 1989 | Watford | 2 | 1 | Slight |
| Sat 30 Dec 1989 | Watford | 1 | 1 | Slight |