Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Sun 4 Jan 1987 | St. Albans | 2 | 3 | Serious |
| Tue 6 Jan 1987 | St. Albans | 3 | 1 | Slight |
| Fri 23 Jan 1987 | St. Albans | 2 | 1 | Slight |
| Mon 2 Feb 1987 | Watford | 2 | 1 | Slight |
| Tue 10 Feb 1987 | St. Albans | 2 | 1 | Slight |
| Thu 12 Mar 1987 | St. Albans | 2 | 2 | Slight |
| Mon 23 Mar 1987 | St. Albans | 2 | 1 | Serious |
| Tue 31 Mar 1987 | St. Albans | 2 | 1 | Slight |
| Wed 1 Apr 1987 | St. Albans | 2 | 2 | Slight |
| Sat 4 Apr 1987 | St. Albans | 1 | 1 | Slight |
| Sun 5 Apr 1987 | Three Rivers | 2 | 1 | Slight |
| Thu 9 Apr 1987 | St. Albans | 2 | 2 | Fatal |
| Thu 30 Apr 1987 | Watford | 1 | 1 | Serious |
| Mon 8 Jun 1987 | St. Albans | 2 | 1 | Slight |
| Sat 13 Jun 1987 | St. Albans | 1 | 2 | Serious |
| Wed 1 Jul 1987 | St. Albans | 1 | 1 | Serious |
| Fri 3 Jul 1987 | Watford | 2 | 1 | Slight |
| Sat 4 Jul 1987 | St. Albans | 2 | 1 | Slight |
| Tue 7 Jul 1987 | Three Rivers | 2 | 3 | Slight |
| Tue 7 Jul 1987 | St. Albans | 2 | 1 | Slight |
| Thu 16 Jul 1987 | St. Albans | 2 | 2 | Slight |
| Fri 7 Aug 1987 | St. Albans | 2 | 1 | Slight |
| Thu 20 Aug 1987 | St. Albans | 2 | 1 | Slight |
| Tue 13 Oct 1987 | Watford | 2 | 1 | Slight |
| Fri 16 Oct 1987 | Watford | 2 | 1 | Slight |
| Tue 10 Nov 1987 | St. Albans | 2 | 2 | Slight |
| Fri 13 Nov 1987 | St. Albans | 2 | 1 | Slight |
| Fri 13 Nov 1987 | Three Rivers | 2 | 1 | Slight |
| Fri 13 Nov 1987 | St. Albans | 2 | 1 | Slight |
| Tue 17 Nov 1987 | St. Albans | 1 | 1 | Slight |
| Thu 19 Nov 1987 | Three Rivers | 2 | 2 | Slight |
| Fri 27 Nov 1987 | Three Rivers | 1 | 1 | Slight |
| Sun 29 Nov 1987 | St. Albans | 2 | 1 | Slight |
| Mon 30 Nov 1987 | Watford | 2 | 1 | Slight |
| Mon 14 Dec 1987 | St. Albans | 2 | 1 | Slight |