Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Tue 5 Jan 1988 | Barnsley | 1 | 1 | Slight |
| Sat 9 Jan 1988 | Barnsley | 1 | 1 | Slight |
| Mon 11 Jan 1988 | Wakefield | 2 | 1 | Slight |
| Mon 11 Jan 1988 | Wakefield | 2 | 1 | Slight |
| Thu 14 Jan 1988 | Wakefield | 2 | 1 | Slight |
| Sat 16 Jan 1988 | Barnsley | 1 | 2 | Slight |
| Sun 17 Jan 1988 | Wakefield | 1 | 1 | Serious |
| Sun 17 Jan 1988 | Barnsley | 1 | 4 | Serious |
| Wed 20 Jan 1988 | Wakefield | 1 | 1 | Slight |
| Wed 20 Jan 1988 | High Peak | 2 | 1 | Slight |
| Fri 22 Jan 1988 | Barnsley | 1 | 1 | Slight |
| Sat 23 Jan 1988 | Barnsley | 1 | 1 | Slight |
| Thu 28 Jan 1988 | Barnsley | 2 | 2 | Slight |
| Sun 31 Jan 1988 | Barnsley | 2 | 1 | Slight |
| Wed 3 Feb 1988 | Barnsley | 2 | 3 | Slight |
| Sat 6 Feb 1988 | Wakefield | 1 | 3 | Fatal |
| Wed 10 Feb 1988 | Barnsley | 1 | 1 | Slight |
| Fri 12 Feb 1988 | Barnsley | 2 | 2 | Serious |
| Fri 12 Feb 1988 | Wakefield | 2 | 1 | Slight |
| Sat 13 Feb 1988 | Barnsley | 1 | 1 | Slight |
| Mon 15 Feb 1988 | Wakefield | 2 | 2 | Serious |
| Tue 16 Feb 1988 | Wakefield | 2 | 1 | Slight |
| Sat 20 Feb 1988 | Wakefield | 1 | 1 | Slight |
| Sat 20 Feb 1988 | Wakefield | 1 | 1 | Slight |
| Fri 26 Feb 1988 | Barnsley | 1 | 1 | Slight |
| Tue 1 Mar 1988 | High Peak | 2 | 1 | Slight |
| Wed 9 Mar 1988 | High Peak | 2 | 1 | Slight |
| Sat 12 Mar 1988 | Barnsley | 1 | 1 | Serious |
| Wed 16 Mar 1988 | Wakefield | 2 | 1 | Slight |
| Sat 19 Mar 1988 | Barnsley | 2 | 1 | Slight |
| Sat 19 Mar 1988 | Barnsley | 2 | 1 | Slight |
| Sun 20 Mar 1988 | Wakefield | 2 | 2 | Serious |
| Mon 21 Mar 1988 | Barnsley | 1 | 1 | Slight |
| Thu 24 Mar 1988 | Wakefield | 1 | 1 | Slight |
| Fri 25 Mar 1988 | Barnsley | 2 | 1 | Serious |
| Fri 25 Mar 1988 | Wakefield | 2 | 1 | Slight |
| Mon 28 Mar 1988 | Barnsley | 1 | 2 | Slight |
| Thu 31 Mar 1988 | Barnsley | 1 | 1 | Slight |
| Wed 6 Apr 1988 | Wakefield | 2 | 1 | Serious |
| Fri 8 Apr 1988 | Barnsley | 2 | 4 | Slight |
| Tue 12 Apr 1988 | High Peak | 2 | 2 | Slight |
| Thu 14 Apr 1988 | Barnsley | 2 | 1 | Slight |
| Thu 14 Apr 1988 | Barnsley | 1 | 1 | Slight |
| Sat 23 Apr 1988 | Barnsley | 1 | 1 | Slight |
| Sat 23 Apr 1988 | Wakefield | 3 | 2 | Slight |
| Sun 24 Apr 1988 | Barnsley | 2 | 1 | Slight |
| Tue 26 Apr 1988 | Barnsley | 2 | 1 | Slight |
| Fri 29 Apr 1988 | Wakefield | 3 | 2 | Slight |
| Fri 29 Apr 1988 | Barnsley | 1 | 2 | Slight |
| Sat 30 Apr 1988 | Barnsley | 3 | 1 | Slight |
| Mon 2 May 1988 | Barnsley | 1 | 1 | Slight |
| Tue 3 May 1988 | High Peak | 1 | 1 | Slight |
| Tue 3 May 1988 | Barnsley | 5 | 1 | Slight |
| Fri 6 May 1988 | Barnsley | 1 | 1 | Serious |
| Fri 6 May 1988 | Wakefield | 2 | 1 | Slight |
| Sat 7 May 1988 | High Peak | 2 | 1 | Serious |
| Sun 8 May 1988 | Barnsley | 2 | 1 | Slight |
| Thu 12 May 1988 | Barnsley | 3 | 1 | Slight |
| Fri 13 May 1988 | Barnsley | 1 | 1 | Slight |
| Sun 15 May 1988 | Barnsley | 1 | 1 | Serious |
| Thu 19 May 1988 | High Peak | 2 | 1 | Slight |
| Sat 21 May 1988 | Barnsley | 1 | 1 | Slight |
| Wed 25 May 1988 | Barnsley | 1 | 1 | Slight |
| Sun 29 May 1988 | Wakefield | 1 | 4 | Slight |
| Wed 1 Jun 1988 | Barnsley | 2 | 5 | Slight |
| Mon 6 Jun 1988 | Barnsley | 1 | 1 | Slight |
| Tue 7 Jun 1988 | High Peak | 1 | 1 | Serious |
| Wed 8 Jun 1988 | Barnsley | 1 | 1 | Serious |
| Fri 10 Jun 1988 | Barnsley | 1 | 1 | Slight |
| Wed 15 Jun 1988 | Barnsley | 2 | 1 | Serious |
| Fri 17 Jun 1988 | Barnsley | 2 | 1 | Slight |
| Sat 18 Jun 1988 | Barnsley | 1 | 2 | Slight |
| Mon 20 Jun 1988 | Barnsley | 2 | 1 | Slight |
| Mon 20 Jun 1988 | Barnsley | 1 | 1 | Slight |
| Wed 22 Jun 1988 | Barnsley | 1 | 1 | Slight |
| Sat 25 Jun 1988 | Wakefield | 2 | 1 | Slight |
| Wed 29 Jun 1988 | High Peak | 3 | 2 | Slight |
| Fri 1 Jul 1988 | Barnsley | 1 | 1 | Slight |
| Sat 2 Jul 1988 | High Peak | 1 | 1 | Serious |
| Sat 2 Jul 1988 | Barnsley | 2 | 1 | Slight |
| Tue 5 Jul 1988 | Wakefield | 2 | 1 | Slight |
| Wed 6 Jul 1988 | Barnsley | 2 | 1 | Slight |
| Thu 7 Jul 1988 | Wakefield | 2 | 1 | Slight |
| Fri 8 Jul 1988 | Barnsley | 2 | 1 | Slight |
| Fri 8 Jul 1988 | Barnsley | 2 | 1 | Slight |
| Thu 14 Jul 1988 | High Peak | 2 | 2 | Serious |
| Thu 14 Jul 1988 | Barnsley | 1 | 1 | Slight |
| Fri 15 Jul 1988 | Barnsley | 2 | 3 | Serious |
| Fri 15 Jul 1988 | Barnsley | 1 | 1 | Slight |
| Tue 19 Jul 1988 | Barnsley | 3 | 1 | Slight |
| Thu 21 Jul 1988 | High Peak | 2 | 1 | Serious |
| Fri 22 Jul 1988 | Wakefield | 1 | 8 | Serious |
| Fri 22 Jul 1988 | Barnsley | 1 | 1 | Slight |
| Fri 22 Jul 1988 | Wakefield | 1 | 1 | Slight |
| Tue 26 Jul 1988 | Wakefield | 3 | 1 | Slight |
| Sun 31 Jul 1988 | Barnsley | 2 | 1 | Slight |
| Mon 1 Aug 1988 | Wakefield | 2 | 1 | Slight |
| Mon 1 Aug 1988 | Barnsley | 2 | 1 | Slight |
| Wed 3 Aug 1988 | Barnsley | 1 | 1 | Slight |
| Sat 6 Aug 1988 | Barnsley | 2 | 1 | Slight |
| Wed 17 Aug 1988 | Barnsley | 2 | 1 | Slight |
| Sun 21 Aug 1988 | Barnsley | 1 | 1 | Serious |
| Sun 21 Aug 1988 | Barnsley | 1 | 1 | Serious |
| Tue 23 Aug 1988 | Barnsley | 1 | 1 | Slight |
| Thu 25 Aug 1988 | Barnsley | 2 | 1 | Slight |
| Thu 25 Aug 1988 | Wakefield | 2 | 1 | Slight |
| Fri 26 Aug 1988 | Barnsley | 1 | 3 | Slight |
| Sat 27 Aug 1988 | High Peak | 1 | 1 | Slight |
| Sun 28 Aug 1988 | Barnsley | 1 | 1 | Slight |
| Sun 28 Aug 1988 | Tameside | 2 | 1 | Slight |
| Thu 1 Sep 1988 | Barnsley | 3 | 1 | Slight |
| Fri 2 Sep 1988 | High Peak | 2 | 1 | Serious |
| Mon 5 Sep 1988 | Barnsley | 1 | 1 | Serious |
| Tue 6 Sep 1988 | Barnsley | 2 | 1 | Slight |
| Thu 8 Sep 1988 | Wakefield | 1 | 1 | Slight |
| Thu 15 Sep 1988 | Barnsley | 1 | 1 | Slight |
| Mon 19 Sep 1988 | Barnsley | 2 | 1 | Slight |
| Mon 19 Sep 1988 | Barnsley | 2 | 1 | Slight |
| Tue 20 Sep 1988 | High Peak | 2 | 1 | Slight |
| Thu 22 Sep 1988 | High Peak | 2 | 1 | Serious |
| Thu 22 Sep 1988 | Barnsley | 2 | 2 | Slight |
| Fri 23 Sep 1988 | High Peak | 3 | 3 | Serious |
| Fri 23 Sep 1988 | Barnsley | 2 | 1 | Slight |
| Thu 29 Sep 1988 | High Peak | 2 | 1 | Slight |
| Thu 29 Sep 1988 | Tameside | 1 | 2 | Fatal |
| Fri 30 Sep 1988 | Barnsley | 1 | 1 | Slight |
| Sat 1 Oct 1988 | High Peak | 1 | 1 | Slight |
| Sat 8 Oct 1988 | Barnsley | 2 | 1 | Slight |
| Sat 15 Oct 1988 | Barnsley | 2 | 2 | Serious |
| Tue 18 Oct 1988 | Barnsley | 3 | 2 | Slight |
| Thu 20 Oct 1988 | Barnsley | 1 | 1 | Slight |
| Thu 27 Oct 1988 | Barnsley | 2 | 1 | Slight |
| Fri 28 Oct 1988 | Barnsley | 1 | 1 | Slight |
| Sat 29 Oct 1988 | Barnsley | 2 | 1 | Slight |
| Tue 1 Nov 1988 | Barnsley | 2 | 1 | Slight |
| Thu 3 Nov 1988 | High Peak | 3 | 2 | Slight |
| Sat 5 Nov 1988 | Barnsley | 3 | 2 | Slight |
| Mon 7 Nov 1988 | High Peak | 2 | 1 | Slight |
| Tue 8 Nov 1988 | Barnsley | 1 | 1 | Slight |
| Wed 9 Nov 1988 | Wakefield | 2 | 3 | Slight |
| Sat 12 Nov 1988 | Wakefield | 2 | 2 | Serious |
| Sun 13 Nov 1988 | Barnsley | 2 | 1 | Slight |
| Fri 18 Nov 1988 | Wakefield | 1 | 1 | Slight |
| Sun 20 Nov 1988 | High Peak | 2 | 2 | Slight |
| Mon 21 Nov 1988 | Barnsley | 2 | 1 | Slight |
| Tue 22 Nov 1988 | Barnsley | 1 | 1 | Slight |
| Thu 24 Nov 1988 | Barnsley | 2 | 1 | Slight |
| Thu 24 Nov 1988 | Barnsley | 1 | 1 | Slight |
| Sat 26 Nov 1988 | Barnsley | 1 | 1 | Slight |
| Sat 26 Nov 1988 | Barnsley | 2 | 2 | Slight |
| Sat 26 Nov 1988 | Barnsley | 2 | 4 | Slight |
| Tue 29 Nov 1988 | Barnsley | 2 | 5 | Serious |
| Tue 29 Nov 1988 | High Peak | 1 | 2 | Serious |
| Thu 1 Dec 1988 | Wakefield | 2 | 1 | Slight |
| Fri 2 Dec 1988 | Barnsley | 2 | 1 | Serious |
| Wed 7 Dec 1988 | Barnsley | 1 | 1 | Slight |
| Mon 12 Dec 1988 | Barnsley | 1 | 1 | Slight |
| Thu 15 Dec 1988 | Barnsley | 2 | 1 | Slight |
| Mon 19 Dec 1988 | Barnsley | 1 | 1 | Slight |
| Tue 20 Dec 1988 | Tameside | 4 | 3 | Slight |
| Thu 22 Dec 1988 | Barnsley | 1 | 1 | Slight |
| Fri 23 Dec 1988 | Barnsley | 1 | 1 | Slight |
| Fri 23 Dec 1988 | Barnsley | 1 | 1 | Slight |
| Sun 25 Dec 1988 | Barnsley | 1 | 2 | Slight |
| Sun 25 Dec 1988 | Wakefield | 2 | 1 | Slight |
| Thu 29 Dec 1988 | Wakefield | 2 | 1 | Slight |