Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Thu 5 Jan 1989 | Middlesbrough | 2 | 1 | Slight |
| Fri 13 Jan 1989 | Middlesbrough | 2 | 1 | Serious |
| Sun 15 Jan 1989 | Middlesbrough | 2 | 2 | Slight |
| Mon 27 Feb 1989 | Middlesbrough | 2 | 1 | Slight |
| Thu 2 Mar 1989 | Middlesbrough | 2 | 1 | Slight |
| Sat 11 Mar 1989 | Leeds | 1 | 1 | Slight |
| Mon 13 Mar 1989 | Stockton-on-Tees | 2 | 1 | Slight |
| Mon 20 Mar 1989 | Middlesbrough | 2 | 1 | Slight |
| Sat 6 May 1989 | Middlesbrough | 1 | 1 | Slight |
| Thu 22 Jun 1989 | Middlesbrough | 2 | 1 | Serious |
| Mon 26 Jun 1989 | Middlesbrough | 2 | 2 | Slight |
| Thu 6 Jul 1989 | Middlesbrough | 1 | 1 | Slight |
| Mon 10 Jul 1989 | Middlesbrough | 2 | 2 | Slight |
| Sat 19 Aug 1989 | Stockton-on-Tees | 1 | 1 | Serious |
| Sat 26 Aug 1989 | Stockton-on-Tees | 2 | 1 | Slight |
| Thu 31 Aug 1989 | Middlesbrough | 2 | 1 | Slight |
| Sat 2 Sep 1989 | Middlesbrough | 1 | 1 | Slight |
| Thu 7 Sep 1989 | Middlesbrough | 2 | 1 | Slight |
| Fri 29 Sep 1989 | Middlesbrough | 2 | 1 | Serious |
| Wed 4 Oct 1989 | Stockton-on-Tees | 2 | 1 | Serious |
| Mon 9 Oct 1989 | Stockton-on-Tees | 2 | 2 | Slight |
| Fri 13 Oct 1989 | Middlesbrough | 2 | 2 | Slight |
| Sun 29 Oct 1989 | Middlesbrough | 2 | 2 | Slight |
| Fri 10 Nov 1989 | Middlesbrough | 3 | 3 | Slight |
| Wed 20 Dec 1989 | Middlesbrough | 1 | 1 | Slight |