Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Wed 6 Jan 1999 | Welwyn Hatfield | 2 | 1 | Slight |
| Tue 19 Jan 1999 | St. Albans | 2 | 1 | Slight |
| Thu 21 Jan 1999 | St. Albans | 2 | 1 | Slight |
| Thu 21 Jan 1999 | St. Albans | 1 | 1 | Slight |
| Wed 3 Feb 1999 | Welwyn Hatfield | 2 | 2 | Slight |
| Thu 18 Feb 1999 | St. Albans | 3 | 2 | Slight |
| Sat 6 Mar 1999 | St. Albans | 2 | 1 | Slight |
| Sat 6 Mar 1999 | St. Albans | 2 | 1 | Slight |
| Tue 9 Mar 1999 | Welwyn Hatfield | 2 | 2 | Serious |
| Sun 14 Mar 1999 | St. Albans | 2 | 3 | Fatal |
| Fri 16 Apr 1999 | St. Albans | 1 | 2 | Serious |
| Fri 16 Apr 1999 | St. Albans | 3 | 1 | Slight |
| Sun 18 Apr 1999 | South Bedfordshire | 2 | 2 | Fatal |
| Sun 9 May 1999 | South Bedfordshire | 1 | 2 | Slight |
| Wed 19 May 1999 | South Bedfordshire | 2 | 2 | Serious |
| Fri 4 Jun 1999 | St. Albans | 3 | 1 | Serious |
| Wed 16 Jun 1999 | St. Albans | 1 | 2 | Serious |
| Thu 17 Jun 1999 | St. Albans | 2 | 1 | Slight |
| Sat 26 Jun 1999 | Welwyn Hatfield | 2 | 2 | Slight |
| Wed 7 Jul 1999 | St. Albans | 2 | 2 | Slight |
| Mon 19 Jul 1999 | Welwyn Hatfield | 2 | 1 | Slight |
| Fri 23 Jul 1999 | South Bedfordshire | 1 | 1 | Slight |
| Thu 5 Aug 1999 | St. Albans | 3 | 5 | Serious |
| Fri 13 Aug 1999 | St. Albans | 2 | 1 | Slight |
| Wed 25 Aug 1999 | St. Albans | 3 | 2 | Serious |
| Wed 25 Aug 1999 | Luton | 3 | 1 | Slight |
| Sat 28 Aug 1999 | St. Albans | 1 | 1 | Slight |
| Wed 22 Sep 1999 | Welwyn Hatfield | 2 | 1 | Serious |
| Thu 21 Oct 1999 | Welwyn Hatfield | 3 | 1 | Slight |
| Thu 21 Oct 1999 | Welwyn Hatfield | 3 | 1 | Slight |
| Fri 29 Oct 1999 | St. Albans | 2 | 1 | Slight |
| Mon 1 Nov 1999 | St. Albans | 5 | 4 | Serious |
| Thu 4 Nov 1999 | St. Albans | 3 | 1 | Slight |
| Fri 5 Nov 1999 | St. Albans | 2 | 2 | Slight |
| Sun 7 Nov 1999 | Luton | 6 | 7 | Fatal |
| Sat 20 Nov 1999 | St. Albans | 3 | 2 | Slight |
| Sun 28 Nov 1999 | Welwyn Hatfield | 1 | 3 | Serious |
| Thu 2 Dec 1999 | St. Albans | 3 | 2 | Serious |
| Fri 10 Dec 1999 | Welwyn Hatfield | 2 | 1 | Slight |
| Mon 20 Dec 1999 | St. Albans | 1 | 3 | Slight |
| Mon 20 Dec 1999 | St. Albans | 2 | 1 | Slight |