Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Thu 2 Jan 1997 | Three Rivers | 1 | 1 | Slight |
| Fri 10 Jan 1997 | Watford | 2 | 1 | Slight |
| Tue 14 Jan 1997 | Three Rivers | 3 | 1 | Slight |
| Thu 23 Jan 1997 | Watford | 2 | 1 | Slight |
| Mon 3 Feb 1997 | Watford | 3 | 1 | Slight |
| Thu 13 Feb 1997 | Three Rivers | 2 | 2 | Slight |
| Wed 12 Mar 1997 | Watford | 2 | 1 | Slight |
| Mon 7 Apr 1997 | Watford | 2 | 1 | Slight |
| Fri 18 Apr 1997 | Watford | 2 | 1 | Slight |
| Wed 23 Apr 1997 | Three Rivers | 2 | 1 | Serious |
| Sat 10 May 1997 | Watford | 1 | 1 | Slight |
| Mon 12 May 1997 | Three Rivers | 1 | 1 | Slight |
| Tue 13 May 1997 | Three Rivers | 3 | 1 | Slight |
| Tue 13 May 1997 | Three Rivers | 2 | 1 | Slight |
| Wed 11 Jun 1997 | Watford | 2 | 1 | Slight |
| Sun 15 Jun 1997 | Three Rivers | 2 | 1 | Slight |
| Thu 26 Jun 1997 | Three Rivers | 2 | 1 | Slight |
| Sun 6 Jul 1997 | Watford | 3 | 4 | Slight |
| Thu 10 Jul 1997 | Watford | 2 | 1 | Slight |
| Fri 11 Jul 1997 | Watford | 2 | 1 | Slight |
| Thu 14 Aug 1997 | Watford | 2 | 1 | Slight |
| Thu 14 Aug 1997 | Watford | 2 | 1 | Slight |
| Thu 14 Aug 1997 | Watford | 2 | 1 | Slight |
| Sat 16 Aug 1997 | Watford | 1 | 1 | Serious |
| Wed 3 Sep 1997 | Watford | 2 | 2 | Slight |
| Sat 27 Sep 1997 | Watford | 2 | 1 | Serious |
| Tue 30 Sep 1997 | Watford | 2 | 2 | Slight |
| Tue 30 Sep 1997 | Three Rivers | 1 | 1 | Slight |
| Sat 18 Oct 1997 | Watford | 2 | 2 | Slight |
| Sun 2 Nov 1997 | Watford | 2 | 1 | Slight |
| Thu 6 Nov 1997 | Watford | 2 | 2 | Slight |
| Thu 20 Nov 1997 | Watford | 2 | 1 | Slight |
| Wed 17 Dec 1997 | Watford | 3 | 7 | Serious |
| Sun 28 Dec 1997 | Watford | 2 | 1 | Serious |