Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Wed 1 Jan 1997 | Caerphilly | 2 | 1 | Slight |
| Tue 7 Jan 1997 | Caerphilly | 1 | 1 | Serious |
| Mon 13 Jan 1997 | Cardiff | 2 | 1 | Slight |
| Wed 22 Jan 1997 | Caerphilly | 2 | 4 | Slight |
| Thu 23 Jan 1997 | Caerphilly | 2 | 3 | Serious |
| Tue 28 Jan 1997 | Caerphilly | 2 | 1 | Slight |
| Fri 31 Jan 1997 | Caerphilly | 2 | 4 | Slight |
| Sat 1 Feb 1997 | Caerphilly | 2 | 4 | Serious |
| Sat 1 Feb 1997 | Caerphilly | 2 | 1 | Slight |
| Mon 3 Feb 1997 | Caerphilly | 2 | 3 | Slight |
| Sun 9 Feb 1997 | Cardiff | 2 | 1 | Slight |
| Wed 19 Feb 1997 | Caerphilly | 1 | 1 | Slight |
| Sun 9 Mar 1997 | Caerphilly | 2 | 4 | Serious |
| Sun 9 Mar 1997 | Caerphilly | 1 | 2 | Slight |
| Fri 21 Mar 1997 | Cardiff | 1 | 1 | Slight |
| Fri 21 Mar 1997 | Cardiff | 1 | 1 | Serious |
| Fri 28 Mar 1997 | Cardiff | 2 | 1 | Slight |
| Sat 29 Mar 1997 | Cardiff | 2 | 2 | Slight |
| Mon 7 Apr 1997 | Caerphilly | 3 | 1 | Slight |
| Wed 9 Apr 1997 | Caerphilly | 4 | 1 | Slight |
| Sun 13 Apr 1997 | Caerphilly | 2 | 2 | Slight |
| Mon 14 Apr 1997 | Caerphilly | 1 | 1 | Slight |
| Fri 18 Apr 1997 | Caerphilly | 2 | 3 | Slight |
| Fri 18 Apr 1997 | Caerphilly | 1 | 1 | Slight |
| Fri 18 Apr 1997 | Caerphilly | 1 | 1 | Slight |
| Tue 22 Apr 1997 | Caerphilly | 2 | 1 | Slight |
| Wed 23 Apr 1997 | Caerphilly | 2 | 1 | Slight |
| Sat 26 Apr 1997 | Caerphilly | 2 | 1 | Slight |
| Mon 28 Apr 1997 | Caerphilly | 2 | 2 | Slight |
| Wed 30 Apr 1997 | Caerphilly | 2 | 1 | Slight |
| Sat 24 May 1997 | Caerphilly | 2 | 1 | Slight |
| Thu 5 Jun 1997 | Caerphilly | 2 | 1 | Slight |
| Wed 11 Jun 1997 | Cardiff | 1 | 2 | Slight |
| Thu 12 Jun 1997 | Caerphilly | 1 | 1 | Slight |
| Tue 24 Jun 1997 | Caerphilly | 2 | 1 | Slight |
| Sat 28 Jun 1997 | Cardiff | 1 | 1 | Slight |
| Fri 4 Jul 1997 | Caerphilly | 1 | 1 | Slight |
| Thu 10 Jul 1997 | Caerphilly | 2 | 1 | Slight |
| Fri 18 Jul 1997 | Cardiff | 2 | 1 | Slight |
| Thu 31 Jul 1997 | Caerphilly | 1 | 2 | Slight |
| Mon 4 Aug 1997 | Caerphilly | 2 | 1 | Slight |
| Tue 19 Aug 1997 | Caerphilly | 2 | 1 | Slight |
| Tue 19 Aug 1997 | Cardiff | 2 | 1 | Slight |
| Fri 22 Aug 1997 | Caerphilly | 2 | 1 | Slight |
| Sat 23 Aug 1997 | Caerphilly | 2 | 2 | Slight |
| Tue 26 Aug 1997 | Cardiff | 1 | 1 | Slight |
| Mon 1 Sep 1997 | Caerphilly | 2 | 1 | Slight |
| Fri 5 Sep 1997 | Cardiff | 2 | 2 | Slight |
| Tue 9 Sep 1997 | Cardiff | 2 | 1 | Slight |
| Sat 20 Sep 1997 | Caerphilly | 1 | 1 | Fatal |
| Fri 26 Sep 1997 | Caerphilly | 3 | 1 | Slight |
| Wed 1 Oct 1997 | Cardiff | 1 | 1 | Serious |
| Fri 3 Oct 1997 | Caerphilly | 2 | 1 | Slight |
| Fri 3 Oct 1997 | Cardiff | 2 | 1 | Slight |
| Sun 5 Oct 1997 | Cardiff | 2 | 1 | Slight |
| Sun 5 Oct 1997 | Caerphilly | 2 | 1 | Serious |
| Mon 6 Oct 1997 | Cardiff | 1 | 1 | Slight |
| Wed 8 Oct 1997 | Caerphilly | 2 | 1 | Fatal |
| Wed 8 Oct 1997 | Caerphilly | 3 | 1 | Slight |
| Thu 9 Oct 1997 | Caerphilly | 2 | 1 | Slight |
| Wed 22 Oct 1997 | Caerphilly | 2 | 2 | Slight |
| Fri 24 Oct 1997 | Caerphilly | 2 | 5 | Slight |
| Sun 26 Oct 1997 | Cardiff | 3 | 3 | Slight |
| Sun 26 Oct 1997 | Caerphilly | 1 | 1 | Slight |
| Wed 29 Oct 1997 | Caerphilly | 1 | 2 | Slight |
| Mon 10 Nov 1997 | Caerphilly | 2 | 1 | Slight |
| Sat 15 Nov 1997 | Caerphilly | 2 | 1 | Slight |
| Tue 18 Nov 1997 | Caerphilly | 1 | 1 | Slight |
| Tue 18 Nov 1997 | Cardiff | 2 | 1 | Serious |
| Thu 20 Nov 1997 | Caerphilly | 2 | 1 | Slight |
| Fri 21 Nov 1997 | Caerphilly | 2 | 1 | Slight |
| Fri 21 Nov 1997 | Caerphilly | 2 | 2 | Slight |
| Fri 28 Nov 1997 | Caerphilly | 1 | 1 | Slight |
| Fri 28 Nov 1997 | Caerphilly | 1 | 1 | Slight |
| Wed 3 Dec 1997 | Caerphilly | 1 | 1 | Slight |
| Thu 4 Dec 1997 | Caerphilly | 2 | 1 | Slight |
| Sat 6 Dec 1997 | Caerphilly | 1 | 1 | Slight |
| Fri 26 Dec 1997 | Caerphilly | 1 | 5 | Fatal |
| Wed 31 Dec 1997 | Cardiff | 2 | 1 | Slight |