Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Sun 11 Jan 1998 | Hertsmere | 1 | 1 | Slight |
| Sun 11 Jan 1998 | St. Albans | 2 | 1 | Slight |
| Tue 13 Jan 1998 | St. Albans | 2 | 2 | Slight |
| Thu 15 Jan 1998 | Hertsmere | 2 | 1 | Slight |
| Thu 15 Jan 1998 | St. Albans | 2 | 1 | Slight |
| Thu 15 Jan 1998 | St. Albans | 2 | 1 | Slight |
| Wed 21 Jan 1998 | St. Albans | 2 | 1 | Slight |
| Fri 23 Jan 1998 | St. Albans | 1 | 1 | Serious |
| Thu 29 Jan 1998 | Hertsmere | 2 | 1 | Slight |
| Sat 7 Feb 1998 | St. Albans | 2 | 1 | Slight |
| Tue 24 Feb 1998 | Hertsmere | 2 | 1 | Slight |
| Wed 25 Feb 1998 | St. Albans | 2 | 1 | Serious |
| Wed 4 Mar 1998 | Hertsmere | 2 | 1 | Slight |
| Sun 8 Mar 1998 | Hertsmere | 2 | 2 | Slight |
| Sat 14 Mar 1998 | Hertsmere | 2 | 2 | Serious |
| Sun 15 Mar 1998 | St. Albans | 2 | 2 | Slight |
| Tue 17 Mar 1998 | Hertsmere | 2 | 1 | Slight |
| Tue 24 Mar 1998 | St. Albans | 2 | 1 | Slight |
| Sun 29 Mar 1998 | St. Albans | 2 | 1 | Slight |
| Wed 1 Apr 1998 | St. Albans | 2 | 1 | Slight |
| Thu 2 Apr 1998 | St. Albans | 2 | 1 | Slight |
| Fri 3 Apr 1998 | St. Albans | 2 | 2 | Slight |
| Mon 27 Apr 1998 | St. Albans | 1 | 1 | Serious |
| Wed 29 Apr 1998 | Hertsmere | 1 | 1 | Serious |
| Wed 6 May 1998 | St. Albans | 2 | 2 | Slight |
| Fri 15 May 1998 | St. Albans | 2 | 1 | Slight |
| Fri 15 May 1998 | St. Albans | 1 | 1 | Slight |
| Fri 15 May 1998 | St. Albans | 1 | 1 | Slight |
| Sun 17 May 1998 | St. Albans | 2 | 1 | Slight |
| Mon 18 May 1998 | St. Albans | 3 | 2 | Slight |
| Wed 20 May 1998 | Hertsmere | 2 | 1 | Slight |
| Thu 21 May 1998 | St. Albans | 2 | 1 | Slight |
| Tue 26 May 1998 | St. Albans | 1 | 1 | Slight |
| Fri 29 May 1998 | Hertsmere | 2 | 1 | Slight |
| Fri 5 Jun 1998 | St. Albans | 3 | 2 | Slight |
| Mon 8 Jun 1998 | St. Albans | 2 | 1 | Slight |
| Mon 8 Jun 1998 | St. Albans | 2 | 1 | Slight |
| Thu 18 Jun 1998 | St. Albans | 2 | 1 | Fatal |
| Tue 23 Jun 1998 | St. Albans | 2 | 1 | Slight |
| Fri 26 Jun 1998 | Hertsmere | 2 | 1 | Slight |
| Sun 5 Jul 1998 | St. Albans | 2 | 4 | Slight |
| Mon 6 Jul 1998 | St. Albans | 2 | 1 | Slight |
| Thu 9 Jul 1998 | St. Albans | 2 | 1 | Slight |
| Sat 18 Jul 1998 | St. Albans | 2 | 1 | Slight |
| Sat 18 Jul 1998 | Hertsmere | 1 | 1 | Slight |
| Sat 18 Jul 1998 | St. Albans | 2 | 1 | Slight |
| Mon 20 Jul 1998 | Hertsmere | 2 | 1 | Slight |
| Mon 20 Jul 1998 | Hertsmere | 4 | 1 | Slight |
| Fri 24 Jul 1998 | St. Albans | 1 | 1 | Slight |
| Sat 25 Jul 1998 | St. Albans | 1 | 1 | Slight |
| Sat 25 Jul 1998 | St. Albans | 1 | 1 | Slight |
| Sat 1 Aug 1998 | St. Albans | 2 | 2 | Slight |
| Mon 3 Aug 1998 | St. Albans | 3 | 1 | Slight |
| Thu 13 Aug 1998 | St. Albans | 3 | 1 | Slight |
| Mon 17 Aug 1998 | St. Albans | 2 | 1 | Slight |
| Mon 17 Aug 1998 | St. Albans | 1 | 1 | Serious |
| Sat 5 Sep 1998 | St. Albans | 2 | 3 | Serious |
| Tue 8 Sep 1998 | St. Albans | 2 | 1 | Slight |
| Wed 16 Sep 1998 | St. Albans | 2 | 2 | Slight |
| Thu 17 Sep 1998 | St. Albans | 2 | 1 | Slight |
| Fri 25 Sep 1998 | St. Albans | 2 | 2 | Slight |
| Sat 26 Sep 1998 | St. Albans | 1 | 3 | Serious |
| Mon 5 Oct 1998 | Hertsmere | 3 | 2 | Slight |
| Tue 6 Oct 1998 | Hertsmere | 1 | 1 | Slight |
| Tue 20 Oct 1998 | St. Albans | 2 | 1 | Slight |
| Tue 27 Oct 1998 | St. Albans | 2 | 1 | Slight |
| Thu 29 Oct 1998 | St. Albans | 2 | 1 | Slight |
| Thu 29 Oct 1998 | Hertsmere | 1 | 1 | Slight |
| Fri 30 Oct 1998 | Hertsmere | 1 | 1 | Slight |
| Fri 30 Oct 1998 | Hertsmere | 3 | 1 | Slight |
| Thu 5 Nov 1998 | St. Albans | 2 | 2 | Slight |
| Sat 14 Nov 1998 | St. Albans | 2 | 2 | Serious |
| Sat 14 Nov 1998 | St. Albans | 3 | 3 | Slight |
| Wed 18 Nov 1998 | Hertsmere | 2 | 2 | Slight |
| Fri 20 Nov 1998 | Hertsmere | 2 | 1 | Slight |
| Sat 21 Nov 1998 | St. Albans | 3 | 2 | Slight |
| Tue 24 Nov 1998 | Hertsmere | 2 | 1 | Slight |
| Tue 24 Nov 1998 | Hertsmere | 2 | 1 | Slight |
| Wed 25 Nov 1998 | Hertsmere | 2 | 2 | Slight |
| Sat 28 Nov 1998 | St. Albans | 2 | 2 | Slight |
| Sat 12 Dec 1998 | St. Albans | 1 | 1 | Slight |
| Tue 15 Dec 1998 | St. Albans | 3 | 1 | Slight |
| Wed 16 Dec 1998 | St. Albans | 2 | 1 | Slight |
| Thu 17 Dec 1998 | St. Albans | 3 | 1 | Slight |
| Thu 24 Dec 1998 | St. Albans | 2 | 1 | Slight |
| Sat 26 Dec 1998 | St. Albans | 2 | 1 | Slight |
| Tue 29 Dec 1998 | St. Albans | 3 | 3 | Slight |