Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Mon 4 Jan 1988 | Barnsley | 1 | 1 | Serious |
| Mon 4 Jan 1988 | Wakefield | 2 | 1 | Serious |
| Thu 7 Jan 1988 | Wakefield | 2 | 2 | Serious |
| Fri 8 Jan 1988 | Barnsley | 2 | 1 | Slight |
| Sat 16 Jan 1988 | Kirklees | 2 | 2 | Slight |
| Fri 5 Feb 1988 | Wakefield | 2 | 1 | Slight |
| Fri 12 Feb 1988 | Kirklees | 2 | 1 | Serious |
| Sun 17 Apr 1988 | Wakefield | 2 | 6 | Serious |
| Thu 21 Apr 1988 | Barnsley | 2 | 2 | Serious |
| Sun 24 Apr 1988 | Barnsley | 1 | 1 | Slight |
| Sat 14 May 1988 | Barnsley | 2 | 1 | Slight |
| Sat 14 May 1988 | Wakefield | 2 | 1 | Serious |
| Wed 31 Aug 1988 | Kirklees | 2 | 1 | Slight |
| Thu 1 Sep 1988 | Barnsley | 1 | 1 | Slight |
| Sat 17 Sep 1988 | Kirklees | 2 | 1 | Serious |
| Mon 26 Sep 1988 | Barnsley | 2 | 1 | Slight |
| Fri 7 Oct 1988 | Barnsley | 2 | 1 | Slight |
| Sun 16 Oct 1988 | Wakefield | 2 | 3 | Serious |
| Sun 30 Oct 1988 | Barnsley | 1 | 1 | Slight |
| Wed 2 Nov 1988 | Barnsley | 1 | 3 | Slight |
| Sat 5 Nov 1988 | Wakefield | 2 | 1 | Serious |
| Wed 30 Nov 1988 | Barnsley | 1 | 1 | Slight |
| Fri 2 Dec 1988 | Barnsley | 2 | 3 | Slight |
| Wed 7 Dec 1988 | Wakefield | 2 | 1 | Serious |
| Thu 29 Dec 1988 | Wakefield | 1 | 1 | Serious |