Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Sat 13 Jan 1990 | Luton | 1 | 1 | Slight |
| Wed 24 Jan 1990 | Luton | 1 | 1 | Slight |
| Sat 27 Jan 1990 | St. Albans | 1 | 1 | Slight |
| Wed 31 Jan 1990 | Welwyn Hatfield | 2 | 1 | Serious |
| Tue 6 Feb 1990 | St. Albans | 3 | 1 | Slight |
| Fri 16 Feb 1990 | St. Albans | 1 | 3 | Slight |
| Mon 19 Feb 1990 | Luton | 3 | 1 | Serious |
| Fri 23 Feb 1990 | Welwyn Hatfield | 3 | 2 | Serious |
| Thu 15 Mar 1990 | Welwyn Hatfield | 2 | 1 | Serious |
| Wed 28 Mar 1990 | Welwyn Hatfield | 2 | 1 | Slight |
| Mon 2 Apr 1990 | Welwyn Hatfield | 2 | 1 | Serious |
| Fri 6 Apr 1990 | Welwyn Hatfield | 2 | 3 | Slight |
| Thu 19 Apr 1990 | Luton | 4 | 3 | Serious |
| Tue 15 May 1990 | St. Albans | 1 | 1 | Serious |
| Fri 18 May 1990 | Welwyn Hatfield | 2 | 1 | Slight |
| Tue 5 Jun 1990 | Welwyn Hatfield | 3 | 1 | Slight |
| Wed 6 Jun 1990 | St. Albans | 1 | 1 | Slight |
| Mon 18 Jun 1990 | Luton | 5 | 2 | Slight |
| Mon 18 Jun 1990 | Welwyn Hatfield | 1 | 1 | Serious |
| Wed 27 Jun 1990 | St. Albans | 2 | 1 | Serious |
| Wed 4 Jul 1990 | Luton | 2 | 1 | Slight |
| Tue 17 Jul 1990 | St. Albans | 2 | 1 | Slight |
| Fri 20 Jul 1990 | St. Albans | 2 | 2 | Slight |
| Wed 25 Jul 1990 | Welwyn Hatfield | 1 | 2 | Slight |
| Tue 7 Aug 1990 | St. Albans | 2 | 1 | Slight |
| Wed 22 Aug 1990 | Luton | 3 | 3 | Slight |
| Thu 30 Aug 1990 | St. Albans | 2 | 1 | Slight |
| Sun 2 Sep 1990 | St. Albans | 3 | 1 | Serious |
| Fri 7 Sep 1990 | South Bedfordshire | 1 | 1 | Slight |
| Wed 12 Sep 1990 | St. Albans | 2 | 1 | Slight |
| Wed 19 Sep 1990 | St. Albans | 2 | 1 | Slight |
| Fri 28 Sep 1990 | South Bedfordshire | 3 | 2 | Slight |
| Wed 3 Oct 1990 | St. Albans | 2 | 1 | Slight |
| Sat 6 Oct 1990 | Welwyn Hatfield | 2 | 3 | Serious |
| Thu 18 Oct 1990 | St. Albans | 3 | 1 | Slight |
| Sat 20 Oct 1990 | St. Albans | 1 | 1 | Slight |
| Fri 9 Nov 1990 | St. Albans | 3 | 1 | Serious |
| Sat 10 Nov 1990 | St. Albans | 4 | 1 | Slight |
| Thu 22 Nov 1990 | St. Albans | 3 | 1 | Slight |
| Sat 24 Nov 1990 | St. Albans | 2 | 4 | Slight |
| Wed 5 Dec 1990 | South Bedfordshire | 3 | 1 | Slight |
| Wed 12 Dec 1990 | St. Albans | 2 | 1 | Slight |
| Sun 30 Dec 1990 | South Bedfordshire | 1 | 1 | Slight |