Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Wed 7 Jan 1998 | North Hertfordshire | 2 | 1 | Slight |
| Mon 9 Feb 1998 | North Hertfordshire | 2 | 1 | Slight |
| Wed 11 Feb 1998 | North Hertfordshire | 2 | 1 | Slight |
| Sun 22 Feb 1998 | North Hertfordshire | 1 | 1 | Slight |
| Mon 6 Apr 1998 | North Hertfordshire | 2 | 3 | Slight |
| Tue 28 Jul 1998 | North Hertfordshire | 2 | 1 | Slight |
| Sat 1 Aug 1998 | North Hertfordshire | 3 | 1 | Slight |
| Sat 8 Aug 1998 | North Hertfordshire | 2 | 1 | Slight |
| Mon 10 Aug 1998 | North Hertfordshire | 2 | 1 | Slight |
| Wed 12 Aug 1998 | North Hertfordshire | 2 | 1 | Slight |
| Thu 27 Aug 1998 | North Hertfordshire | 2 | 1 | Slight |
| Tue 8 Sep 1998 | North Hertfordshire | 2 | 2 | Slight |
| Thu 17 Sep 1998 | North Hertfordshire | 2 | 1 | Slight |
| Wed 23 Sep 1998 | North Hertfordshire | 2 | 1 | Slight |
| Tue 29 Sep 1998 | North Hertfordshire | 2 | 2 | Slight |
| Tue 20 Oct 1998 | North Hertfordshire | 2 | 1 | Slight |
| Mon 9 Nov 1998 | North Hertfordshire | 2 | 3 | Slight |
| Fri 27 Nov 1998 | North Hertfordshire | 2 | 1 | Slight |
| Fri 27 Nov 1998 | North Hertfordshire | 2 | 1 | Slight |