Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Sun 7 Jan 1990 | Teesdale | 2 | 4 | Slight |
| Sun 7 Jan 1990 | Sedgefield | 2 | 1 | Serious |
| Fri 12 Jan 1990 | Wear Valley | 1 | 1 | Serious |
| Thu 18 Jan 1990 | Wear Valley | 1 | 2 | Fatal |
| Fri 19 Jan 1990 | Wear Valley | 3 | 1 | Serious |
| Fri 19 Jan 1990 | Teesdale | 1 | 1 | Slight |
| Wed 24 Jan 1990 | Sedgefield | 3 | 1 | Slight |
| Sun 28 Jan 1990 | Teesdale | 2 | 3 | Serious |
| Tue 30 Jan 1990 | Teesdale | 2 | 1 | Fatal |
| Wed 31 Jan 1990 | Teesdale | 2 | 2 | Slight |
| Tue 13 Feb 1990 | Wear Valley | 2 | 1 | Slight |
| Fri 16 Feb 1990 | Wear Valley | 1 | 1 | Slight |
| Fri 23 Feb 1990 | Sedgefield | 2 | 3 | Slight |
| Thu 1 Mar 1990 | Teesdale | 2 | 1 | Serious |
| Thu 1 Mar 1990 | Wear Valley | 2 | 1 | Slight |
| Fri 2 Mar 1990 | Wear Valley | 2 | 1 | Slight |
| Mon 5 Mar 1990 | Wear Valley | 1 | 2 | Serious |
| Tue 6 Mar 1990 | Wear Valley | 1 | 2 | Slight |
| Fri 9 Mar 1990 | Wear Valley | 1 | 2 | Slight |
| Sat 24 Mar 1990 | Wear Valley | 1 | 2 | Serious |
| Sat 31 Mar 1990 | Teesdale | 1 | 1 | Fatal |
| Tue 3 Apr 1990 | Teesdale | 1 | 3 | Slight |
| Fri 13 Apr 1990 | Wear Valley | 1 | 1 | Slight |
| Thu 3 May 1990 | Wear Valley | 2 | 2 | Slight |
| Wed 16 May 1990 | Wear Valley | 1 | 1 | Slight |
| Thu 31 May 1990 | Wear Valley | 2 | 3 | Slight |
| Thu 7 Jun 1990 | Wear Valley | 1 | 1 | Slight |
| Thu 7 Jun 1990 | Wear Valley | 2 | 2 | Serious |
| Sat 9 Jun 1990 | Teesdale | 2 | 4 | Slight |
| Sat 9 Jun 1990 | Wear Valley | 2 | 1 | Slight |
| Sun 10 Jun 1990 | Wear Valley | 2 | 2 | Slight |
| Mon 18 Jun 1990 | Wear Valley | 1 | 1 | Slight |
| Wed 20 Jun 1990 | Wear Valley | 2 | 3 | Slight |
| Wed 20 Jun 1990 | Wear Valley | 2 | 1 | Slight |
| Fri 22 Jun 1990 | Sedgefield | 2 | 1 | Slight |
| Tue 26 Jun 1990 | Wear Valley | 2 | 3 | Serious |
| Wed 4 Jul 1990 | Wear Valley | 1 | 1 | Slight |
| Fri 6 Jul 1990 | Wear Valley | 2 | 1 | Slight |
| Wed 11 Jul 1990 | Wear Valley | 2 | 2 | Fatal |
| Wed 11 Jul 1990 | Wear Valley | 2 | 2 | Fatal |
| Wed 18 Jul 1990 | Wear Valley | 2 | 1 | Slight |
| Fri 20 Jul 1990 | Wear Valley | 1 | 2 | Serious |
| Sat 28 Jul 1990 | Sedgefield | 1 | 1 | Slight |
| Tue 31 Jul 1990 | Sedgefield | 2 | 1 | Slight |
| Wed 1 Aug 1990 | Teesdale | 1 | 1 | Slight |
| Thu 2 Aug 1990 | Wear Valley | 2 | 1 | Serious |
| Fri 3 Aug 1990 | Wear Valley | 2 | 1 | Slight |
| Fri 10 Aug 1990 | Wear Valley | 1 | 1 | Slight |
| Sun 19 Aug 1990 | Wear Valley | 1 | 2 | Slight |
| Sun 19 Aug 1990 | Wear Valley | 1 | 5 | Fatal |
| Sun 26 Aug 1990 | Wear Valley | 2 | 2 | Slight |
| Fri 31 Aug 1990 | Wear Valley | 2 | 2 | Slight |
| Wed 5 Sep 1990 | Teesdale | 1 | 1 | Slight |
| Thu 13 Sep 1990 | Wear Valley | 2 | 1 | Slight |
| Fri 14 Sep 1990 | Sedgefield | 2 | 2 | Slight |
| Fri 28 Sep 1990 | Sedgefield | 2 | 1 | Slight |
| Sun 7 Oct 1990 | Wear Valley | 1 | 1 | Slight |
| Wed 10 Oct 1990 | Wear Valley | 1 | 1 | Serious |
| Thu 11 Oct 1990 | Teesdale | 1 | 2 | Serious |
| Fri 12 Oct 1990 | Teesdale | 1 | 1 | Slight |
| Mon 15 Oct 1990 | Teesdale | 1 | 3 | Slight |
| Wed 14 Nov 1990 | Wear Valley | 2 | 1 | Slight |
| Mon 19 Nov 1990 | Teesdale | 2 | 2 | Slight |
| Tue 20 Nov 1990 | Wear Valley | 1 | 1 | Slight |
| Thu 22 Nov 1990 | Sedgefield | 2 | 1 | Slight |
| Thu 22 Nov 1990 | Wear Valley | 3 | 2 | Slight |
| Fri 30 Nov 1990 | Teesdale | 1 | 1 | Slight |
| Wed 5 Dec 1990 | Wear Valley | 2 | 1 | Slight |
| Mon 10 Dec 1990 | Wear Valley | 2 | 2 | Slight |
| Mon 10 Dec 1990 | Sedgefield | 2 | 1 | Slight |
| Mon 17 Dec 1990 | Wear Valley | 2 | 3 | Slight |
| Tue 25 Dec 1990 | Wear Valley | 2 | 5 | Slight |