Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Wed 3 Jan 1990 | East Lindsey | 1 | 1 | Serious |
| Fri 5 Jan 1990 | West Lindsey | 1 | 1 | Slight |
| Sat 6 Jan 1990 | Rotherham | 2 | 1 | Slight |
| Sun 7 Jan 1990 | Sheffield | 3 | 1 | Slight |
| Sun 7 Jan 1990 | Bassetlaw | 1 | 4 | Serious |
| Tue 9 Jan 1990 | Rotherham | 2 | 1 | Slight |
| Tue 9 Jan 1990 | Rotherham | 1 | 1 | Fatal |
| Wed 10 Jan 1990 | Rotherham | 3 | 1 | Slight |
| Wed 10 Jan 1990 | Rotherham | 1 | 1 | Serious |
| Sat 13 Jan 1990 | East Lindsey | 1 | 2 | Slight |
| Mon 15 Jan 1990 | Rotherham | 1 | 1 | Slight |
| Mon 15 Jan 1990 | West Lindsey | 2 | 2 | Serious |
| Wed 17 Jan 1990 | West Lindsey | 1 | 1 | Slight |
| Fri 19 Jan 1990 | West Lindsey | 3 | 2 | Serious |
| Tue 23 Jan 1990 | Bassetlaw | 3 | 1 | Slight |
| Sun 28 Jan 1990 | Rotherham | 1 | 1 | Slight |
| Fri 9 Feb 1990 | Rotherham | 2 | 1 | Slight |
| Sat 10 Feb 1990 | Rotherham | 3 | 2 | Slight |
| Wed 14 Feb 1990 | Sheffield | 1 | 2 | Slight |
| Wed 14 Feb 1990 | Doncaster | 3 | 1 | Slight |
| Sun 18 Feb 1990 | Doncaster | 3 | 2 | Slight |
| Mon 19 Feb 1990 | East Lindsey | 3 | 2 | Fatal |
| Fri 23 Feb 1990 | Bassetlaw | 1 | 2 | Slight |
| Sat 24 Feb 1990 | Rotherham | 2 | 1 | Slight |
| Sat 24 Feb 1990 | Rotherham | 4 | 1 | Slight |
| Tue 27 Feb 1990 | East Lindsey | 1 | 1 | Slight |
| Tue 27 Feb 1990 | Rotherham | 2 | 2 | Serious |
| Sun 4 Mar 1990 | Sheffield | 1 | 1 | Serious |
| Sun 4 Mar 1990 | West Lindsey | 1 | 1 | Slight |
| Wed 7 Mar 1990 | Rotherham | 2 | 1 | Slight |
| Fri 9 Mar 1990 | Doncaster | 1 | 1 | Slight |
| Sat 10 Mar 1990 | Bassetlaw | 2 | 2 | Slight |
| Sun 11 Mar 1990 | West Lindsey | 4 | 1 | Fatal |
| Sun 11 Mar 1990 | Doncaster | 4 | 1 | Slight |
| Fri 16 Mar 1990 | Rotherham | 2 | 1 | Slight |
| Sat 17 Mar 1990 | Rotherham | 1 | 1 | Slight |
| Mon 19 Mar 1990 | Bassetlaw | 1 | 1 | Slight |
| Tue 20 Mar 1990 | Sheffield | 2 | 1 | Slight |
| Wed 21 Mar 1990 | Sheffield | 2 | 2 | Slight |
| Thu 22 Mar 1990 | Rotherham | 3 | 1 | Slight |
| Thu 22 Mar 1990 | West Lindsey | 2 | 1 | Slight |
| Fri 23 Mar 1990 | West Lindsey | 2 | 4 | Serious |
| Sat 24 Mar 1990 | Rotherham | 2 | 3 | Slight |
| Mon 26 Mar 1990 | Rotherham | 1 | 1 | Slight |
| Mon 26 Mar 1990 | West Lindsey | 2 | 1 | Slight |
| Thu 29 Mar 1990 | Rotherham | 2 | 1 | Slight |
| Fri 30 Mar 1990 | East Lindsey | 1 | 1 | Slight |
| Sun 1 Apr 1990 | Rotherham | 2 | 2 | Slight |
| Sun 1 Apr 1990 | Rotherham | 2 | 1 | Slight |
| Fri 6 Apr 1990 | West Lindsey | 2 | 1 | Serious |
| Sun 15 Apr 1990 | West Lindsey | 3 | 1 | Slight |
| Sun 15 Apr 1990 | Doncaster | 1 | 1 | Slight |
| Fri 20 Apr 1990 | West Lindsey | 1 | 1 | Slight |
| Sat 21 Apr 1990 | West Lindsey | 2 | 2 | Slight |
| Thu 26 Apr 1990 | Rotherham | 2 | 1 | Slight |
| Sun 29 Apr 1990 | West Lindsey | 1 | 3 | Fatal |
| Sun 29 Apr 1990 | Rotherham | 2 | 1 | Slight |
| Mon 30 Apr 1990 | Rotherham | 2 | 2 | Serious |
| Mon 30 Apr 1990 | East Lindsey | 2 | 2 | Serious |
| Tue 1 May 1990 | Rotherham | 6 | 1 | Slight |
| Tue 1 May 1990 | West Lindsey | 1 | 1 | Serious |
| Fri 4 May 1990 | Rotherham | 3 | 1 | Serious |
| Fri 4 May 1990 | Rotherham | 1 | 1 | Slight |
| Mon 7 May 1990 | Bassetlaw | 1 | 1 | Slight |
| Wed 9 May 1990 | West Lindsey | 2 | 3 | Slight |
| Wed 9 May 1990 | Doncaster | 1 | 1 | Slight |
| Sat 12 May 1990 | Bassetlaw | 1 | 1 | Serious |
| Tue 15 May 1990 | Bassetlaw | 2 | 1 | Slight |
| Tue 15 May 1990 | Sheffield | 2 | 1 | Slight |
| Tue 15 May 1990 | Rotherham | 1 | 1 | Slight |
| Sun 20 May 1990 | Rotherham | 2 | 1 | Slight |
| Sun 20 May 1990 | West Lindsey | 1 | 1 | Slight |
| Fri 25 May 1990 | West Lindsey | 1 | 4 | Slight |
| Mon 28 May 1990 | Bassetlaw | 2 | 1 | Slight |
| Wed 30 May 1990 | Rotherham | 3 | 1 | Slight |
| Wed 30 May 1990 | West Lindsey | 1 | 2 | Slight |
| Fri 1 Jun 1990 | Doncaster | 2 | 2 | Fatal |
| Sat 2 Jun 1990 | Sheffield | 1 | 1 | Slight |
| Sun 3 Jun 1990 | Doncaster | 2 | 1 | Slight |
| Sun 3 Jun 1990 | East Lindsey | 2 | 2 | Serious |
| Tue 5 Jun 1990 | Doncaster | 1 | 2 | Slight |
| Sat 9 Jun 1990 | Rotherham | 1 | 1 | Slight |
| Wed 13 Jun 1990 | Doncaster | 2 | 1 | Slight |
| Sat 16 Jun 1990 | West Lindsey | 2 | 1 | Slight |
| Sun 17 Jun 1990 | West Lindsey | 3 | 2 | Slight |
| Sun 24 Jun 1990 | Bassetlaw | 1 | 1 | Slight |
| Tue 26 Jun 1990 | Rotherham | 2 | 1 | Slight |
| Wed 27 Jun 1990 | Rotherham | 1 | 1 | Serious |
| Wed 4 Jul 1990 | Rotherham | 1 | 1 | Serious |
| Wed 4 Jul 1990 | Rotherham | 3 | 1 | Slight |
| Wed 4 Jul 1990 | Rotherham | 1 | 1 | Slight |
| Fri 6 Jul 1990 | Rotherham | 3 | 3 | Slight |
| Sun 8 Jul 1990 | Rotherham | 2 | 1 | Slight |
| Wed 18 Jul 1990 | Rotherham | 1 | 1 | Slight |
| Fri 20 Jul 1990 | Rotherham | 1 | 1 | Slight |
| Fri 20 Jul 1990 | Rotherham | 1 | 2 | Serious |
| Mon 23 Jul 1990 | Rotherham | 2 | 1 | Slight |
| Tue 24 Jul 1990 | Rotherham | 3 | 1 | Slight |
| Wed 25 Jul 1990 | Rotherham | 2 | 1 | Slight |
| Fri 27 Jul 1990 | Rotherham | 2 | 1 | Slight |
| Thu 2 Aug 1990 | Bassetlaw | 1 | 1 | Serious |
| Thu 2 Aug 1990 | Rotherham | 1 | 1 | Slight |
| Sun 5 Aug 1990 | Rotherham | 2 | 1 | Slight |
| Tue 7 Aug 1990 | Rotherham | 1 | 1 | Slight |
| Tue 7 Aug 1990 | Rotherham | 2 | 1 | Serious |
| Wed 8 Aug 1990 | Rotherham | 3 | 1 | Slight |
| Sat 11 Aug 1990 | Bassetlaw | 2 | 4 | Serious |
| Tue 14 Aug 1990 | Bassetlaw | 3 | 1 | Slight |
| Fri 17 Aug 1990 | Rotherham | 2 | 1 | Slight |
| Mon 20 Aug 1990 | West Lindsey | 2 | 1 | Slight |
| Thu 30 Aug 1990 | East Lindsey | 1 | 1 | Slight |
| Fri 31 Aug 1990 | Rotherham | 1 | 1 | Serious |
| Mon 3 Sep 1990 | West Lindsey | 1 | 4 | Serious |
| Mon 3 Sep 1990 | Rotherham | 2 | 1 | Slight |
| Fri 7 Sep 1990 | Rotherham | 2 | 1 | Slight |
| Mon 10 Sep 1990 | Rotherham | 2 | 1 | Slight |
| Tue 11 Sep 1990 | Rotherham | 2 | 1 | Slight |
| Fri 14 Sep 1990 | Rotherham | 2 | 1 | Slight |
| Sat 15 Sep 1990 | Rotherham | 2 | 1 | Slight |
| Thu 20 Sep 1990 | West Lindsey | 2 | 3 | Slight |
| Fri 21 Sep 1990 | Bassetlaw | 2 | 1 | Slight |
| Sat 22 Sep 1990 | West Lindsey | 1 | 1 | Fatal |
| Sun 23 Sep 1990 | Bassetlaw | 2 | 3 | Serious |
| Thu 27 Sep 1990 | Rotherham | 2 | 1 | Slight |
| Fri 28 Sep 1990 | Rotherham | 2 | 1 | Slight |
| Wed 3 Oct 1990 | Doncaster | 2 | 2 | Serious |
| Wed 3 Oct 1990 | Bassetlaw | 1 | 1 | Serious |
| Fri 5 Oct 1990 | Rotherham | 2 | 1 | Slight |
| Fri 5 Oct 1990 | Bassetlaw | 1 | 1 | Slight |
| Sun 7 Oct 1990 | Bassetlaw | 1 | 1 | Serious |
| Sun 7 Oct 1990 | Rotherham | 2 | 1 | Slight |
| Tue 9 Oct 1990 | Doncaster | 1 | 2 | Serious |
| Wed 10 Oct 1990 | West Lindsey | 2 | 1 | Slight |
| Wed 10 Oct 1990 | Bassetlaw | 1 | 1 | Slight |
| Sun 14 Oct 1990 | East Lindsey | 2 | 5 | Slight |
| Sun 14 Oct 1990 | East Lindsey | 2 | 5 | Slight |
| Sun 14 Oct 1990 | West Lindsey | 2 | 2 | Slight |
| Tue 16 Oct 1990 | West Lindsey | 1 | 1 | Slight |
| Wed 17 Oct 1990 | Bassetlaw | 1 | 1 | Slight |
| Thu 18 Oct 1990 | Sheffield | 1 | 1 | Slight |
| Thu 18 Oct 1990 | Sheffield | 2 | 1 | Slight |
| Fri 19 Oct 1990 | West Lindsey | 2 | 2 | Slight |
| Mon 22 Oct 1990 | West Lindsey | 2 | 1 | Serious |
| Tue 23 Oct 1990 | Doncaster | 2 | 1 | Slight |
| Tue 23 Oct 1990 | Rotherham | 2 | 1 | Slight |
| Tue 23 Oct 1990 | Sheffield | 2 | 1 | Slight |
| Tue 23 Oct 1990 | Sheffield | 1 | 1 | Slight |
| Tue 23 Oct 1990 | Rotherham | 1 | 2 | Slight |
| Wed 24 Oct 1990 | Sheffield | 2 | 1 | Slight |
| Sat 27 Oct 1990 | Bassetlaw | 4 | 1 | Slight |
| Sat 27 Oct 1990 | West Lindsey | 2 | 1 | Slight |
| Sun 28 Oct 1990 | Rotherham | 1 | 2 | Slight |
| Mon 29 Oct 1990 | Rotherham | 2 | 1 | Slight |
| Tue 30 Oct 1990 | Rotherham | 2 | 1 | Slight |
| Fri 2 Nov 1990 | Rotherham | 1 | 1 | Slight |
| Fri 2 Nov 1990 | Rotherham | 1 | 1 | Slight |
| Sat 3 Nov 1990 | West Lindsey | 2 | 1 | Slight |
| Wed 7 Nov 1990 | Rotherham | 1 | 1 | Slight |
| Tue 13 Nov 1990 | Rotherham | 1 | 1 | Serious |
| Wed 14 Nov 1990 | Doncaster | 2 | 1 | Fatal |
| Wed 14 Nov 1990 | Doncaster | 1 | 2 | Slight |
| Thu 15 Nov 1990 | Sheffield | 1 | 1 | Slight |
| Thu 15 Nov 1990 | Rotherham | 2 | 1 | Slight |
| Sat 17 Nov 1990 | Rotherham | 2 | 1 | Slight |
| Sat 17 Nov 1990 | West Lindsey | 2 | 1 | Slight |
| Tue 20 Nov 1990 | Rotherham | 2 | 1 | Slight |
| Wed 21 Nov 1990 | Sheffield | 2 | 1 | Slight |
| Thu 22 Nov 1990 | West Lindsey | 1 | 1 | Slight |
| Sat 24 Nov 1990 | Bassetlaw | 2 | 2 | Slight |
| Tue 27 Nov 1990 | Bassetlaw | 2 | 1 | Slight |
| Sat 1 Dec 1990 | West Lindsey | 1 | 1 | Slight |
| Tue 4 Dec 1990 | Sheffield | 2 | 1 | Serious |
| Wed 5 Dec 1990 | West Lindsey | 2 | 1 | Serious |
| Thu 13 Dec 1990 | Rotherham | 2 | 1 | Slight |
| Mon 17 Dec 1990 | Rotherham | 2 | 1 | Serious |
| Tue 18 Dec 1990 | West Lindsey | 1 | 1 | Slight |
| Wed 19 Dec 1990 | Rotherham | 1 | 1 | Slight |
| Thu 20 Dec 1990 | West Lindsey | 2 | 4 | Fatal |
| Fri 21 Dec 1990 | West Lindsey | 2 | 3 | Serious |
| Sat 22 Dec 1990 | West Lindsey | 1 | 3 | Slight |
| Mon 24 Dec 1990 | Rotherham | 2 | 3 | Slight |