Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Mon 9 Jan 1989 | North Hertfordshire | 2 | 1 | Serious |
| Wed 11 Jan 1989 | North Hertfordshire | 1 | 1 | Slight |
| Wed 11 Jan 1989 | St. Albans | 1 | 2 | Slight |
| Mon 30 Jan 1989 | St. Albans | 1 | 3 | Serious |
| Fri 31 Mar 1989 | St. Albans | 2 | 1 | Slight |
| Tue 4 Apr 1989 | St. Albans | 2 | 1 | Slight |
| Wed 26 Apr 1989 | St. Albans | 2 | 3 | Slight |
| Sat 13 May 1989 | St. Albans | 2 | 1 | Serious |
| Sun 14 May 1989 | St. Albans | 2 | 2 | Serious |
| Mon 22 May 1989 | St. Albans | 3 | 2 | Slight |
| Thu 25 May 1989 | St. Albans | 2 | 1 | Slight |
| Thu 1 Jun 1989 | St. Albans | 3 | 2 | Slight |
| Sat 17 Jun 1989 | St. Albans | 1 | 1 | Slight |
| Tue 27 Jun 1989 | North Hertfordshire | 2 | 1 | Serious |
| Thu 6 Jul 1989 | St. Albans | 2 | 1 | Serious |
| Thu 27 Jul 1989 | St. Albans | 2 | 1 | Slight |
| Tue 1 Aug 1989 | St. Albans | 3 | 2 | Slight |
| Fri 25 Aug 1989 | St. Albans | 2 | 1 | Slight |
| Wed 30 Aug 1989 | St. Albans | 2 | 1 | Serious |
| Sat 16 Sep 1989 | North Hertfordshire | 1 | 1 | Slight |
| Tue 26 Sep 1989 | St. Albans | 4 | 1 | Slight |
| Wed 27 Sep 1989 | St. Albans | 2 | 1 | Slight |
| Mon 16 Oct 1989 | St. Albans | 1 | 2 | Slight |
| Tue 31 Oct 1989 | North Hertfordshire | 1 | 1 | Serious |
| Thu 16 Nov 1989 | St. Albans | 2 | 1 | Slight |
| Sun 10 Dec 1989 | North Hertfordshire | 2 | 1 | Slight |
| Thu 14 Dec 1989 | St. Albans | 3 | 1 | Serious |
| Thu 14 Dec 1989 | St. Albans | 2 | 1 | Slight |
| Fri 15 Dec 1989 | St. Albans | 2 | 1 | Serious |
| Tue 26 Dec 1989 | St. Albans | 2 | 4 | Slight |
| Wed 27 Dec 1989 | St. Albans | 3 | 1 | Slight |