Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Wed 6 Jan 1988 | Stockton-on-Tees | 1 | 1 | Serious |
| Sun 10 Jan 1988 | Middlesbrough | 2 | 1 | Slight |
| Tue 12 Jan 1988 | Stockton-on-Tees | 2 | 1 | Slight |
| Tue 12 Jan 1988 | Stockton-on-Tees | 1 | 1 | Slight |
| Wed 20 Jan 1988 | Stockton-on-Tees | 2 | 1 | Slight |
| Wed 3 Feb 1988 | Middlesbrough | 2 | 1 | Slight |
| Thu 4 Feb 1988 | Middlesbrough | 2 | 1 | Slight |
| Fri 5 Feb 1988 | Middlesbrough | 1 | 2 | Fatal |
| Fri 19 Feb 1988 | Middlesbrough | 2 | 1 | Serious |
| Sat 27 Feb 1988 | Stockton-on-Tees | 1 | 1 | Serious |
| Sat 12 Mar 1988 | Middlesbrough | 1 | 1 | Slight |
| Fri 25 Mar 1988 | Stockton-on-Tees | 2 | 1 | Slight |
| Sun 24 Apr 1988 | Stockton-on-Tees | 2 | 1 | Slight |
| Sun 1 May 1988 | Stockton-on-Tees | 2 | 1 | Slight |
| Tue 17 May 1988 | Stockton-on-Tees | 2 | 1 | Slight |
| Wed 25 May 1988 | Stockton-on-Tees | 4 | 2 | Slight |
| Fri 27 May 1988 | Middlesbrough | 2 | 1 | Slight |
| Fri 3 Jun 1988 | Stockton-on-Tees | 2 | 2 | Slight |
| Mon 6 Jun 1988 | Stockton-on-Tees | 2 | 1 | Slight |
| Tue 14 Jun 1988 | Stockton-on-Tees | 2 | 2 | Slight |
| Thu 23 Jun 1988 | Middlesbrough | 2 | 1 | Slight |
| Thu 11 Aug 1988 | Middlesbrough | 3 | 1 | Slight |
| Fri 2 Sep 1988 | Middlesbrough | 2 | 1 | Slight |
| Fri 2 Sep 1988 | Stockton-on-Tees | 2 | 1 | Slight |
| Sat 8 Oct 1988 | Middlesbrough | 2 | 1 | Slight |
| Wed 19 Oct 1988 | Stockton-on-Tees | 2 | 1 | Slight |
| Wed 19 Oct 1988 | Stockton-on-Tees | 2 | 1 | Slight |
| Fri 28 Oct 1988 | Stockton-on-Tees | 2 | 1 | Slight |
| Fri 28 Oct 1988 | Middlesbrough | 2 | 1 | Slight |
| Fri 4 Nov 1988 | Middlesbrough | 1 | 1 | Slight |
| Tue 13 Dec 1988 | Stockton-on-Tees | 2 | 1 | Slight |
| Thu 15 Dec 1988 | Stockton-on-Tees | 2 | 1 | Slight |
| Mon 19 Dec 1988 | Stockton-on-Tees | 2 | 2 | Slight |
| Fri 23 Dec 1988 | Stockton-on-Tees | 1 | 1 | Serious |