Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Tue 5 Jan 1988 | Barnsley | 1 | 1 | Slight |
| Tue 9 Feb 1988 | Wakefield | 1 | 1 | Slight |
| Sat 13 Feb 1988 | Barnsley | 3 | 1 | Slight |
| Mon 15 Feb 1988 | Wakefield | 2 | 1 | Slight |
| Wed 2 Mar 1988 | Barnsley | 3 | 2 | Slight |
| Fri 11 Mar 1988 | Barnsley | 1 | 4 | Serious |
| Sat 19 Mar 1988 | Barnsley | 1 | 1 | Serious |
| Wed 23 Mar 1988 | Barnsley | 1 | 1 | Slight |
| Mon 28 Mar 1988 | Barnsley | 2 | 1 | Slight |
| Tue 12 Apr 1988 | Wakefield | 1 | 2 | Serious |
| Sat 23 Apr 1988 | Barnsley | 1 | 1 | Slight |
| Tue 26 Apr 1988 | Wakefield | 1 | 1 | Slight |
| Tue 26 Apr 1988 | Wakefield | 2 | 1 | Slight |
| Sat 14 May 1988 | Wakefield | 2 | 1 | Slight |
| Wed 18 May 1988 | Wakefield | 2 | 1 | Slight |
| Tue 31 May 1988 | Barnsley | 3 | 3 | Serious |
| Fri 10 Jun 1988 | Wakefield | 2 | 1 | Slight |
| Mon 20 Jun 1988 | Wakefield | 1 | 1 | Slight |
| Mon 20 Jun 1988 | Wakefield | 1 | 3 | Slight |
| Sat 2 Jul 1988 | Wakefield | 2 | 2 | Slight |
| Mon 4 Jul 1988 | Barnsley | 2 | 2 | Serious |
| Fri 22 Jul 1988 | Barnsley | 1 | 2 | Slight |
| Fri 26 Aug 1988 | Barnsley | 3 | 1 | Slight |
| Fri 16 Sep 1988 | Barnsley | 1 | 1 | Serious |
| Wed 19 Oct 1988 | Wakefield | 3 | 2 | Slight |
| Mon 24 Oct 1988 | Wakefield | 3 | 1 | Slight |
| Wed 26 Oct 1988 | Barnsley | 2 | 1 | Slight |
| Wed 26 Oct 1988 | Wakefield | 2 | 3 | Slight |
| Thu 27 Oct 1988 | Barnsley | 4 | 4 | Slight |
| Thu 3 Nov 1988 | Barnsley | 2 | 1 | Slight |
| Sat 5 Nov 1988 | Wakefield | 2 | 4 | Fatal |
| Sat 12 Nov 1988 | Barnsley | 1 | 1 | Slight |
| Wed 23 Nov 1988 | Barnsley | 2 | 1 | Slight |
| Wed 23 Nov 1988 | Barnsley | 1 | 1 | Slight |
| Wed 23 Nov 1988 | Barnsley | 1 | 1 | Slight |
| Fri 25 Nov 1988 | Barnsley | 2 | 1 | Serious |
| Fri 9 Dec 1988 | Barnsley | 2 | 1 | Slight |
| Mon 19 Dec 1988 | Barnsley | 1 | 2 | Serious |
| Thu 22 Dec 1988 | Wakefield | 2 | 1 | Serious |
| Fri 23 Dec 1988 | Barnsley | 1 | 1 | Slight |