Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Tue 27 Jan 1998 | Caerphilly | 1 | 1 | Serious |
| Mon 2 Feb 1998 | Caerphilly | 2 | 1 | Fatal |
| Sat 7 Feb 1998 | Caerphilly | 1 | 1 | Slight |
| Sun 1 Mar 1998 | Blaenau Gwent | 2 | 2 | Slight |
| Fri 6 Mar 1998 | Caerphilly | 2 | 1 | Slight |
| Thu 19 Mar 1998 | Blaenau Gwent | 2 | 1 | Slight |
| Sat 21 Mar 1998 | Caerphilly | 1 | 1 | Slight |
| Thu 30 Apr 1998 | Caerphilly | 2 | 1 | Slight |
| Fri 1 May 1998 | Blaenau Gwent | 1 | 1 | Slight |
| Fri 1 May 1998 | Caerphilly | 1 | 1 | Serious |
| Mon 18 May 1998 | Caerphilly | 2 | 5 | Slight |
| Thu 4 Jun 1998 | Caerphilly | 2 | 1 | Slight |
| Sun 7 Jun 1998 | Blaenau Gwent | 2 | 1 | Slight |
| Wed 10 Jun 1998 | Caerphilly | 2 | 1 | Slight |
| Wed 17 Jun 1998 | Blaenau Gwent | 2 | 2 | Slight |
| Fri 19 Jun 1998 | Caerphilly | 2 | 1 | Slight |
| Fri 19 Jun 1998 | Blaenau Gwent | 2 | 1 | Slight |
| Mon 22 Jun 1998 | Caerphilly | 2 | 1 | Slight |
| Thu 25 Jun 1998 | Caerphilly | 2 | 2 | Slight |
| Fri 26 Jun 1998 | Caerphilly | 1 | 1 | Slight |
| Sun 5 Jul 1998 | Caerphilly | 2 | 1 | Slight |
| Fri 17 Jul 1998 | Caerphilly | 1 | 1 | Slight |
| Mon 20 Jul 1998 | Blaenau Gwent | 1 | 1 | Serious |
| Wed 5 Aug 1998 | Caerphilly | 2 | 1 | Slight |
| Sat 8 Aug 1998 | Caerphilly | 2 | 1 | Slight |
| Wed 12 Aug 1998 | Blaenau Gwent | 1 | 1 | Slight |
| Fri 14 Aug 1998 | Caerphilly | 2 | 1 | Slight |
| Mon 31 Aug 1998 | Caerphilly | 2 | 1 | Slight |
| Mon 28 Sep 1998 | Caerphilly | 2 | 2 | Slight |
| Thu 15 Oct 1998 | Caerphilly | 2 | 3 | Slight |
| Sat 17 Oct 1998 | Blaenau Gwent | 2 | 5 | Slight |
| Wed 28 Oct 1998 | Caerphilly | 1 | 1 | Slight |
| Thu 5 Nov 1998 | Caerphilly | 2 | 1 | Slight |
| Thu 5 Nov 1998 | Caerphilly | 2 | 1 | Slight |
| Sun 22 Nov 1998 | Caerphilly | 2 | 6 | Slight |
| Wed 25 Nov 1998 | Caerphilly | 3 | 1 | Slight |
| Wed 25 Nov 1998 | Caerphilly | 1 | 1 | Slight |
| Fri 27 Nov 1998 | Caerphilly | 1 | 1 | Slight |
| Sun 29 Nov 1998 | Caerphilly | 1 | 1 | Slight |
| Mon 30 Nov 1998 | Blaenau Gwent | 2 | 3 | Slight |
| Mon 30 Nov 1998 | Caerphilly | 2 | 1 | Slight |
| Wed 2 Dec 1998 | Caerphilly | 2 | 1 | Slight |
| Mon 14 Dec 1998 | Caerphilly | 2 | 1 | Slight |
| Sat 19 Dec 1998 | Blaenau Gwent | 1 | 2 | Serious |
| Wed 23 Dec 1998 | Caerphilly | 1 | 1 | Slight |
| Wed 23 Dec 1998 | Caerphilly | 1 | 1 | Slight |