Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Fri 29 Jan 1999 | St. Albans | 1 | 1 | Slight |
| Sun 31 Jan 1999 | St. Albans | 2 | 3 | Slight |
| Tue 2 Feb 1999 | St. Albans | 2 | 3 | Slight |
| Sun 7 Feb 1999 | St. Albans | 2 | 1 | Slight |
| Tue 23 Feb 1999 | St. Albans | 2 | 1 | Slight |
| Wed 3 Mar 1999 | St. Albans | 3 | 2 | Slight |
| Wed 17 Mar 1999 | St. Albans | 2 | 1 | Slight |
| Mon 22 Mar 1999 | St. Albans | 2 | 4 | Slight |
| Thu 25 Mar 1999 | St. Albans | 1 | 1 | Serious |
| Mon 29 Mar 1999 | St. Albans | 2 | 1 | Slight |
| Tue 6 Apr 1999 | St. Albans | 2 | 1 | Slight |
| Tue 13 Apr 1999 | St. Albans | 2 | 1 | Serious |
| Fri 7 May 1999 | Welwyn Hatfield | 2 | 1 | Slight |
| Sat 5 Jun 1999 | Welwyn Hatfield | 2 | 1 | Serious |
| Mon 7 Jun 1999 | Welwyn Hatfield | 3 | 3 | Slight |
| Sat 12 Jun 1999 | St. Albans | 2 | 1 | Slight |
| Fri 18 Jun 1999 | St. Albans | 3 | 1 | Slight |
| Sat 26 Jun 1999 | St. Albans | 4 | 2 | Slight |
| Tue 29 Jun 1999 | Welwyn Hatfield | 1 | 3 | Serious |
| Mon 5 Jul 1999 | St. Albans | 2 | 1 | Slight |
| Fri 30 Jul 1999 | St. Albans | 3 | 2 | Slight |
| Fri 6 Aug 1999 | St. Albans | 2 | 2 | Serious |
| Fri 6 Aug 1999 | St. Albans | 1 | 1 | Slight |
| Sat 14 Aug 1999 | Welwyn Hatfield | 1 | 4 | Serious |
| Fri 10 Sep 1999 | St. Albans | 1 | 1 | Slight |
| Sat 18 Sep 1999 | Welwyn Hatfield | 2 | 2 | Slight |
| Sat 25 Sep 1999 | Welwyn Hatfield | 2 | 1 | Slight |
| Mon 18 Oct 1999 | St. Albans | 2 | 1 | Slight |
| Sat 30 Oct 1999 | St. Albans | 2 | 3 | Slight |
| Thu 4 Nov 1999 | St. Albans | 2 | 1 | Slight |
| Thu 11 Nov 1999 | Welwyn Hatfield | 2 | 1 | Serious |
| Thu 18 Nov 1999 | St. Albans | 2 | 1 | Slight |
| Wed 24 Nov 1999 | St. Albans | 2 | 1 | Slight |
| Fri 26 Nov 1999 | Welwyn Hatfield | 2 | 1 | Slight |
| Fri 10 Dec 1999 | St. Albans | 1 | 2 | Slight |
| Wed 15 Dec 1999 | Welwyn Hatfield | 2 | 2 | Slight |
| Wed 15 Dec 1999 | St. Albans | 2 | 1 | Slight |
| Thu 16 Dec 1999 | St. Albans | 3 | 3 | Slight |