Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Fri 1 Jan 1988 | St. Albans | 2 | 2 | Slight |
| Mon 4 Jan 1988 | St. Albans | 2 | 1 | Slight |
| Fri 15 Jan 1988 | Watford | 2 | 3 | Slight |
| Sat 16 Jan 1988 | Three Rivers | 1 | 1 | Slight |
| Wed 20 Jan 1988 | St. Albans | 2 | 1 | Slight |
| Mon 1 Feb 1988 | St. Albans | 2 | 1 | Slight |
| Thu 4 Feb 1988 | St. Albans | 2 | 1 | Slight |
| Thu 11 Feb 1988 | Three Rivers | 1 | 1 | Slight |
| Fri 12 Feb 1988 | Three Rivers | 1 | 1 | Slight |
| Tue 23 Feb 1988 | St. Albans | 2 | 1 | Slight |
| Thu 25 Feb 1988 | Watford | 2 | 1 | Slight |
| Sat 5 Mar 1988 | St. Albans | 1 | 3 | Serious |
| Thu 10 Mar 1988 | Three Rivers | 1 | 1 | Slight |
| Mon 14 Mar 1988 | Watford | 1 | 1 | Slight |
| Wed 16 Mar 1988 | Watford | 2 | 1 | Slight |
| Mon 21 Mar 1988 | St. Albans | 2 | 2 | Slight |
| Mon 21 Mar 1988 | Watford | 2 | 4 | Slight |
| Wed 23 Mar 1988 | Three Rivers | 2 | 1 | Slight |
| Wed 23 Mar 1988 | Watford | 1 | 1 | Serious |
| Thu 24 Mar 1988 | St. Albans | 1 | 1 | Slight |
| Tue 29 Mar 1988 | St. Albans | 2 | 1 | Slight |
| Thu 31 Mar 1988 | Watford | 2 | 1 | Slight |
| Thu 14 Apr 1988 | Watford | 2 | 1 | Slight |
| Fri 15 Apr 1988 | St. Albans | 2 | 1 | Slight |
| Mon 18 Apr 1988 | St. Albans | 3 | 1 | Serious |
| Wed 20 Apr 1988 | Three Rivers | 2 | 1 | Slight |
| Mon 25 Apr 1988 | St. Albans | 2 | 1 | Slight |
| Mon 2 May 1988 | St. Albans | 1 | 3 | Slight |
| Mon 9 May 1988 | Three Rivers | 2 | 1 | Slight |
| Wed 1 Jun 1988 | St. Albans | 2 | 1 | Slight |
| Mon 13 Jun 1988 | St. Albans | 1 | 1 | Serious |
| Fri 17 Jun 1988 | St. Albans | 3 | 1 | Serious |
| Thu 30 Jun 1988 | St. Albans | 2 | 1 | Slight |
| Wed 6 Jul 1988 | St. Albans | 2 | 1 | Slight |
| Tue 12 Jul 1988 | Three Rivers | 1 | 1 | Serious |
| Mon 18 Jul 1988 | St. Albans | 2 | 1 | Slight |
| Thu 21 Jul 1988 | Watford | 2 | 1 | Slight |
| Fri 29 Jul 1988 | Watford | 2 | 1 | Slight |
| Mon 1 Aug 1988 | St. Albans | 2 | 1 | Slight |
| Tue 2 Aug 1988 | St. Albans | 2 | 2 | Slight |
| Tue 9 Aug 1988 | Three Rivers | 1 | 1 | Slight |
| Fri 12 Aug 1988 | Three Rivers | 2 | 1 | Slight |
| Thu 18 Aug 1988 | St. Albans | 2 | 1 | Slight |
| Mon 22 Aug 1988 | Three Rivers | 2 | 2 | Slight |
| Wed 31 Aug 1988 | St. Albans | 1 | 1 | Serious |
| Mon 5 Sep 1988 | St. Albans | 2 | 1 | Slight |
| Sat 17 Sep 1988 | St. Albans | 1 | 1 | Slight |
| Sat 24 Sep 1988 | St. Albans | 1 | 1 | Fatal |
| Sun 9 Oct 1988 | St. Albans | 4 | 3 | Slight |
| Sat 15 Oct 1988 | St. Albans | 2 | 1 | Slight |
| Wed 19 Oct 1988 | Watford | 1 | 2 | Serious |
| Wed 19 Oct 1988 | St. Albans | 1 | 1 | Slight |
| Sun 23 Oct 1988 | Three Rivers | 1 | 4 | Serious |
| Tue 1 Nov 1988 | St. Albans | 4 | 1 | Slight |
| Wed 2 Nov 1988 | Watford | 2 | 2 | Serious |
| Thu 10 Nov 1988 | St. Albans | 2 | 1 | Serious |
| Sun 13 Nov 1988 | Three Rivers | 2 | 3 | Slight |
| Sun 13 Nov 1988 | St. Albans | 1 | 2 | Serious |
| Mon 14 Nov 1988 | Watford | 2 | 1 | Slight |
| Thu 17 Nov 1988 | St. Albans | 2 | 1 | Slight |
| Mon 21 Nov 1988 | Three Rivers | 3 | 1 | Serious |
| Sun 4 Dec 1988 | St. Albans | 2 | 1 | Slight |
| Thu 8 Dec 1988 | Three Rivers | 1 | 1 | Slight |
| Thu 15 Dec 1988 | St. Albans | 2 | 1 | Serious |
| Mon 26 Dec 1988 | St. Albans | 5 | 2 | Serious |
| Wed 28 Dec 1988 | St. Albans | 2 | 1 | Serious |