Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Wed 3 Jan 1990 | Rotherham | 2 | 1 | Slight |
| Fri 5 Jan 1990 | Rotherham | 1 | 2 | Slight |
| Wed 10 Jan 1990 | Rotherham | 2 | 4 | Serious |
| Sat 13 Jan 1990 | Rotherham | 1 | 2 | Slight |
| Sat 13 Jan 1990 | Rotherham | 2 | 2 | Slight |
| Mon 22 Jan 1990 | Rotherham | 1 | 1 | Slight |
| Wed 24 Jan 1990 | Barnsley | 2 | 1 | Slight |
| Wed 24 Jan 1990 | Rotherham | 2 | 1 | Slight |
| Thu 25 Jan 1990 | Barnsley | 2 | 1 | Slight |
| Fri 26 Jan 1990 | Rotherham | 1 | 1 | Slight |
| Fri 26 Jan 1990 | Rotherham | 2 | 1 | Slight |
| Tue 30 Jan 1990 | Rotherham | 3 | 1 | Slight |
| Fri 2 Feb 1990 | Rotherham | 2 | 1 | Fatal |
| Sat 3 Feb 1990 | Rotherham | 2 | 1 | Slight |
| Sun 4 Feb 1990 | Barnsley | 2 | 1 | Serious |
| Mon 5 Feb 1990 | Barnsley | 2 | 1 | Slight |
| Wed 7 Feb 1990 | Rotherham | 2 | 1 | Slight |
| Thu 8 Feb 1990 | Rotherham | 2 | 1 | Slight |
| Mon 12 Feb 1990 | Rotherham | 3 | 1 | Slight |
| Mon 12 Feb 1990 | Barnsley | 1 | 1 | Serious |
| Thu 15 Feb 1990 | Rotherham | 2 | 1 | Slight |
| Sat 17 Feb 1990 | Rotherham | 3 | 2 | Slight |
| Mon 19 Feb 1990 | Barnsley | 1 | 2 | Serious |
| Tue 20 Feb 1990 | Barnsley | 2 | 1 | Slight |
| Fri 23 Feb 1990 | Rotherham | 1 | 1 | Serious |
| Tue 27 Feb 1990 | Rotherham | 1 | 1 | Slight |
| Mon 5 Mar 1990 | Rotherham | 1 | 1 | Slight |
| Mon 5 Mar 1990 | Barnsley | 2 | 4 | Slight |
| Thu 8 Mar 1990 | Rotherham | 2 | 3 | Slight |
| Sat 10 Mar 1990 | Rotherham | 3 | 1 | Slight |
| Sat 17 Mar 1990 | Rotherham | 2 | 2 | Slight |
| Sat 17 Mar 1990 | Rotherham | 2 | 2 | Slight |
| Mon 19 Mar 1990 | Doncaster | 2 | 1 | Slight |
| Tue 20 Mar 1990 | Barnsley | 2 | 1 | Slight |
| Wed 21 Mar 1990 | Barnsley | 1 | 1 | Slight |
| Sat 24 Mar 1990 | Rotherham | 1 | 1 | Slight |
| Sun 25 Mar 1990 | Rotherham | 3 | 2 | Slight |
| Sun 25 Mar 1990 | Rotherham | 2 | 1 | Slight |
| Thu 29 Mar 1990 | Rotherham | 2 | 1 | Slight |
| Fri 30 Mar 1990 | Barnsley | 2 | 1 | Slight |
| Sun 1 Apr 1990 | Rotherham | 3 | 1 | Slight |
| Thu 5 Apr 1990 | Barnsley | 2 | 1 | Slight |
| Fri 6 Apr 1990 | Rotherham | 1 | 1 | Slight |
| Mon 9 Apr 1990 | Rotherham | 2 | 4 | Serious |
| Thu 12 Apr 1990 | Barnsley | 1 | 1 | Slight |
| Fri 13 Apr 1990 | Barnsley | 2 | 1 | Slight |
| Sun 15 Apr 1990 | Barnsley | 2 | 1 | Slight |
| Sun 22 Apr 1990 | Rotherham | 2 | 3 | Slight |
| Tue 1 May 1990 | Rotherham | 2 | 1 | Slight |
| Mon 7 May 1990 | Rotherham | 1 | 1 | Slight |
| Wed 9 May 1990 | Sheffield | 1 | 1 | Slight |
| Thu 10 May 1990 | Rotherham | 2 | 1 | Slight |
| Sun 13 May 1990 | Barnsley | 3 | 5 | Serious |
| Tue 15 May 1990 | Rotherham | 1 | 1 | Slight |
| Sat 26 May 1990 | Rotherham | 2 | 6 | Slight |
| Sat 26 May 1990 | Rotherham | 1 | 1 | Slight |
| Mon 11 Jun 1990 | Barnsley | 1 | 1 | Slight |
| Thu 14 Jun 1990 | Rotherham | 2 | 1 | Slight |
| Sun 24 Jun 1990 | Rotherham | 2 | 1 | Slight |
| Tue 26 Jun 1990 | Barnsley | 2 | 5 | Serious |
| Sat 30 Jun 1990 | Rotherham | 3 | 1 | Slight |
| Sun 1 Jul 1990 | Barnsley | 2 | 1 | Slight |
| Sat 7 Jul 1990 | Barnsley | 2 | 1 | Slight |
| Tue 24 Jul 1990 | Rotherham | 2 | 1 | Slight |
| Fri 27 Jul 1990 | Barnsley | 1 | 1 | Slight |
| Sat 28 Jul 1990 | Barnsley | 2 | 1 | Slight |
| Thu 2 Aug 1990 | Barnsley | 1 | 1 | Slight |
| Thu 2 Aug 1990 | Rotherham | 1 | 1 | Slight |
| Mon 6 Aug 1990 | Rotherham | 1 | 1 | Serious |
| Tue 7 Aug 1990 | Rotherham | 1 | 1 | Slight |
| Wed 8 Aug 1990 | Barnsley | 2 | 1 | Slight |
| Sat 18 Aug 1990 | Rotherham | 3 | 2 | Slight |
| Sun 26 Aug 1990 | Barnsley | 2 | 1 | Slight |
| Mon 17 Sep 1990 | Rotherham | 2 | 3 | Serious |
| Sat 22 Sep 1990 | Barnsley | 1 | 1 | Serious |
| Thu 27 Sep 1990 | Barnsley | 2 | 1 | Slight |
| Thu 27 Sep 1990 | Rotherham | 1 | 1 | Serious |
| Sat 29 Sep 1990 | Rotherham | 2 | 1 | Slight |
| Wed 10 Oct 1990 | Rotherham | 2 | 1 | Slight |
| Sat 13 Oct 1990 | Rotherham | 1 | 1 | Slight |
| Mon 15 Oct 1990 | Rotherham | 3 | 1 | Slight |
| Thu 18 Oct 1990 | Rotherham | 1 | 1 | Slight |
| Thu 18 Oct 1990 | Barnsley | 2 | 1 | Slight |
| Thu 18 Oct 1990 | Rotherham | 2 | 1 | Slight |
| Fri 19 Oct 1990 | Rotherham | 2 | 1 | Slight |
| Tue 30 Oct 1990 | Barnsley | 1 | 1 | Serious |
| Fri 2 Nov 1990 | Barnsley | 1 | 1 | Slight |
| Sat 3 Nov 1990 | Barnsley | 2 | 1 | Slight |
| Wed 7 Nov 1990 | Rotherham | 1 | 1 | Serious |
| Wed 7 Nov 1990 | Barnsley | 2 | 1 | Slight |
| Thu 8 Nov 1990 | Barnsley | 2 | 1 | Serious |
| Mon 12 Nov 1990 | Rotherham | 1 | 1 | Slight |
| Mon 12 Nov 1990 | Rotherham | 2 | 2 | Slight |
| Sun 18 Nov 1990 | Rotherham | 1 | 1 | Slight |
| Sun 18 Nov 1990 | Rotherham | 2 | 1 | Slight |
| Wed 21 Nov 1990 | Barnsley | 1 | 1 | Serious |
| Sat 24 Nov 1990 | Barnsley | 3 | 1 | Slight |
| Thu 6 Dec 1990 | Barnsley | 1 | 3 | Slight |
| Thu 13 Dec 1990 | Rotherham | 2 | 1 | Slight |
| Sun 16 Dec 1990 | Rotherham | 2 | 3 | Slight |
| Mon 17 Dec 1990 | Barnsley | 2 | 2 | Slight |
| Mon 17 Dec 1990 | Barnsley | 2 | 2 | Slight |
| Mon 17 Dec 1990 | Barnsley | 2 | 1 | Slight |
| Tue 18 Dec 1990 | Rotherham | 2 | 2 | Serious |
| Wed 19 Dec 1990 | Rotherham | 2 | 1 | Slight |
| Thu 20 Dec 1990 | Rotherham | 2 | 1 | Slight |
| Fri 21 Dec 1990 | Barnsley | 1 | 1 | Serious |
| Sat 22 Dec 1990 | Rotherham | 1 | 2 | Slight |
| Mon 24 Dec 1990 | Barnsley | 2 | 1 | Slight |