Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Thu 5 Jan 1989 | Middlesbrough | 2 | 1 | Slight |
| Thu 12 Jan 1989 | Redcar and Cleveland | 1 | 1 | Slight |
| Sun 15 Jan 1989 | Middlesbrough | 1 | 1 | Slight |
| Tue 17 Jan 1989 | Redcar and Cleveland | 1 | 1 | Serious |
| Sun 22 Jan 1989 | Stockton-on-Tees | 4 | 2 | Slight |
| Mon 23 Jan 1989 | Redcar and Cleveland | 2 | 1 | Slight |
| Mon 23 Jan 1989 | Middlesbrough | 3 | 2 | Slight |
| Sat 28 Jan 1989 | Middlesbrough | 1 | 1 | Slight |
| Thu 9 Feb 1989 | Redcar and Cleveland | 3 | 1 | Slight |
| Sun 12 Feb 1989 | Redcar and Cleveland | 2 | 1 | Slight |
| Tue 14 Feb 1989 | Stockton-on-Tees | 3 | 1 | Slight |
| Fri 24 Feb 1989 | Redcar and Cleveland | 2 | 1 | Slight |
| Fri 24 Feb 1989 | Redcar and Cleveland | 2 | 2 | Slight |
| Sat 25 Feb 1989 | Middlesbrough | 2 | 1 | Slight |
| Sun 12 Mar 1989 | Middlesbrough | 2 | 1 | Slight |
| Fri 17 Mar 1989 | Redcar and Cleveland | 1 | 1 | Slight |
| Sat 18 Mar 1989 | Redcar and Cleveland | 1 | 1 | Slight |
| Tue 21 Mar 1989 | Redcar and Cleveland | 2 | 1 | Slight |
| Mon 27 Mar 1989 | Middlesbrough | 2 | 3 | Slight |
| Mon 3 Apr 1989 | Redcar and Cleveland | 1 | 3 | Slight |
| Fri 7 Apr 1989 | Middlesbrough | 1 | 2 | Slight |
| Sat 8 Apr 1989 | Middlesbrough | 2 | 1 | Slight |
| Sun 16 Apr 1989 | Redcar and Cleveland | 2 | 1 | Slight |
| Sat 22 Apr 1989 | Middlesbrough | 2 | 5 | Slight |
| Sun 23 Apr 1989 | Middlesbrough | 2 | 1 | Slight |
| Wed 3 May 1989 | Redcar and Cleveland | 2 | 1 | Serious |
| Fri 12 May 1989 | Redcar and Cleveland | 3 | 2 | Slight |
| Fri 12 May 1989 | Middlesbrough | 4 | 1 | Slight |
| Sat 20 May 1989 | Middlesbrough | 2 | 1 | Slight |
| Sun 21 May 1989 | Redcar and Cleveland | 2 | 1 | Slight |
| Sun 28 May 1989 | Middlesbrough | 2 | 2 | Slight |
| Sat 10 Jun 1989 | Middlesbrough | 1 | 1 | Serious |
| Tue 13 Jun 1989 | Middlesbrough | 2 | 1 | Slight |
| Wed 21 Jun 1989 | Redcar and Cleveland | 2 | 1 | Slight |
| Tue 27 Jun 1989 | Redcar and Cleveland | 3 | 1 | Slight |
| Thu 29 Jun 1989 | Redcar and Cleveland | 2 | 1 | Slight |
| Fri 30 Jun 1989 | Middlesbrough | 4 | 1 | Serious |
| Fri 30 Jun 1989 | Redcar and Cleveland | 2 | 4 | Slight |
| Fri 30 Jun 1989 | Middlesbrough | 1 | 1 | Slight |
| Sun 2 Jul 1989 | Redcar and Cleveland | 2 | 1 | Slight |
| Thu 6 Jul 1989 | Middlesbrough | 2 | 1 | Slight |
| Wed 12 Jul 1989 | Middlesbrough | 3 | 1 | Slight |
| Sun 30 Jul 1989 | Middlesbrough | 1 | 1 | Slight |
| Sun 30 Jul 1989 | Middlesbrough | 1 | 1 | Serious |
| Mon 14 Aug 1989 | Middlesbrough | 2 | 3 | Slight |
| Tue 15 Aug 1989 | Middlesbrough | 1 | 1 | Slight |
| Sat 26 Aug 1989 | Middlesbrough | 2 | 2 | Slight |
| Sat 26 Aug 1989 | Redcar and Cleveland | 1 | 1 | Slight |
| Sun 27 Aug 1989 | Middlesbrough | 2 | 1 | Slight |
| Mon 4 Sep 1989 | Redcar and Cleveland | 2 | 1 | Serious |
| Sun 10 Sep 1989 | Middlesbrough | 2 | 1 | Slight |
| Wed 13 Sep 1989 | Middlesbrough | 1 | 1 | Slight |
| Mon 18 Sep 1989 | Redcar and Cleveland | 1 | 1 | Serious |
| Sat 23 Sep 1989 | Redcar and Cleveland | 1 | 1 | Slight |
| Sat 30 Sep 1989 | Redcar and Cleveland | 2 | 1 | Slight |
| Sun 1 Oct 1989 | Middlesbrough | 2 | 1 | Slight |
| Tue 3 Oct 1989 | Redcar and Cleveland | 2 | 1 | Slight |
| Fri 13 Oct 1989 | Redcar and Cleveland | 2 | 1 | Slight |
| Sun 15 Oct 1989 | Middlesbrough | 1 | 1 | Slight |
| Sat 11 Nov 1989 | Middlesbrough | 1 | 1 | Slight |
| Tue 14 Nov 1989 | Redcar and Cleveland | 2 | 1 | Slight |
| Wed 15 Nov 1989 | Redcar and Cleveland | 1 | 1 | Slight |
| Tue 21 Nov 1989 | Middlesbrough | 4 | 2 | Slight |
| Thu 30 Nov 1989 | Middlesbrough | 2 | 1 | Slight |
| Tue 5 Dec 1989 | Middlesbrough | 4 | 2 | Slight |
| Sat 9 Dec 1989 | Redcar and Cleveland | 1 | 1 | Slight |
| Sat 9 Dec 1989 | Middlesbrough | 2 | 3 | Serious |
| Wed 13 Dec 1989 | Redcar and Cleveland | 1 | 1 | Slight |
| Wed 20 Dec 1989 | Redcar and Cleveland | 1 | 1 | Slight |
| Tue 26 Dec 1989 | Middlesbrough | 1 | 1 | Serious |
| Wed 27 Dec 1989 | Middlesbrough | 1 | 1 | Slight |