Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Wed 6 Jan 1988 | Redcar and Cleveland | 2 | 1 | Slight |
| Wed 13 Jan 1988 | Middlesbrough | 1 | 1 | Serious |
| Sat 16 Jan 1988 | Middlesbrough | 2 | 2 | Slight |
| Wed 27 Jan 1988 | Redcar and Cleveland | 2 | 1 | Serious |
| Fri 29 Jan 1988 | Middlesbrough | 1 | 2 | Serious |
| Fri 29 Jan 1988 | Redcar and Cleveland | 2 | 1 | Slight |
| Wed 3 Feb 1988 | Middlesbrough | 2 | 1 | Slight |
| Thu 4 Feb 1988 | Middlesbrough | 4 | 1 | Slight |
| Fri 5 Feb 1988 | Middlesbrough | 2 | 4 | Slight |
| Tue 9 Feb 1988 | Redcar and Cleveland | 1 | 1 | Slight |
| Sun 14 Feb 1988 | Middlesbrough | 2 | 1 | Slight |
| Mon 15 Feb 1988 | Middlesbrough | 1 | 1 | Slight |
| Tue 1 Mar 1988 | Redcar and Cleveland | 2 | 1 | Slight |
| Tue 1 Mar 1988 | Redcar and Cleveland | 2 | 3 | Slight |
| Thu 3 Mar 1988 | Middlesbrough | 4 | 1 | Serious |
| Fri 11 Mar 1988 | Redcar and Cleveland | 2 | 4 | Serious |
| Fri 11 Mar 1988 | Middlesbrough | 1 | 1 | Serious |
| Sat 12 Mar 1988 | Redcar and Cleveland | 2 | 1 | Fatal |
| Mon 14 Mar 1988 | Middlesbrough | 2 | 1 | Slight |
| Sat 19 Mar 1988 | Stockton-on-Tees | 2 | 1 | Slight |
| Sat 19 Mar 1988 | Middlesbrough | 2 | 1 | Slight |
| Wed 30 Mar 1988 | Redcar and Cleveland | 2 | 1 | Slight |
| Thu 31 Mar 1988 | Middlesbrough | 2 | 2 | Slight |
| Tue 5 Apr 1988 | Redcar and Cleveland | 2 | 1 | Slight |
| Wed 6 Apr 1988 | Stockton-on-Tees | 2 | 4 | Slight |
| Sat 9 Apr 1988 | Middlesbrough | 2 | 1 | Slight |
| Thu 14 Apr 1988 | Redcar and Cleveland | 2 | 1 | Slight |
| Tue 19 Apr 1988 | Middlesbrough | 2 | 2 | Slight |
| Sun 1 May 1988 | Middlesbrough | 2 | 1 | Slight |
| Sun 1 May 1988 | Middlesbrough | 1 | 2 | Serious |
| Wed 4 May 1988 | Redcar and Cleveland | 2 | 1 | Slight |
| Thu 5 May 1988 | Middlesbrough | 2 | 1 | Slight |
| Thu 12 May 1988 | Redcar and Cleveland | 1 | 1 | Slight |
| Sat 14 May 1988 | Middlesbrough | 1 | 1 | Slight |
| Mon 16 May 1988 | Middlesbrough | 1 | 1 | Slight |
| Mon 23 May 1988 | Middlesbrough | 2 | 1 | Slight |
| Tue 24 May 1988 | Middlesbrough | 2 | 1 | Slight |
| Tue 24 May 1988 | Redcar and Cleveland | 1 | 1 | Fatal |
| Wed 25 May 1988 | Middlesbrough | 2 | 1 | Slight |
| Wed 25 May 1988 | Middlesbrough | 1 | 1 | Slight |
| Thu 26 May 1988 | Middlesbrough | 2 | 1 | Slight |
| Mon 30 May 1988 | Redcar and Cleveland | 1 | 3 | Slight |
| Thu 2 Jun 1988 | Middlesbrough | 2 | 2 | Slight |
| Mon 6 Jun 1988 | Redcar and Cleveland | 2 | 1 | Slight |
| Fri 10 Jun 1988 | Redcar and Cleveland | 2 | 1 | Serious |
| Sun 12 Jun 1988 | Middlesbrough | 2 | 3 | Slight |
| Sun 12 Jun 1988 | Middlesbrough | 2 | 1 | Slight |
| Mon 13 Jun 1988 | Redcar and Cleveland | 1 | 1 | Slight |
| Sat 18 Jun 1988 | Redcar and Cleveland | 2 | 3 | Slight |
| Wed 22 Jun 1988 | Redcar and Cleveland | 2 | 1 | Slight |
| Fri 24 Jun 1988 | Middlesbrough | 2 | 1 | Slight |
| Mon 4 Jul 1988 | Redcar and Cleveland | 2 | 1 | Slight |
| Tue 5 Jul 1988 | Middlesbrough | 2 | 1 | Slight |
| Wed 6 Jul 1988 | Redcar and Cleveland | 4 | 2 | Slight |
| Wed 6 Jul 1988 | Middlesbrough | 2 | 1 | Slight |
| Thu 7 Jul 1988 | Redcar and Cleveland | 1 | 1 | Slight |
| Mon 11 Jul 1988 | Stockton-on-Tees | 2 | 1 | Slight |
| Thu 14 Jul 1988 | Middlesbrough | 2 | 1 | Slight |
| Mon 18 Jul 1988 | Redcar and Cleveland | 2 | 1 | Slight |
| Sat 23 Jul 1988 | Redcar and Cleveland | 1 | 1 | Slight |
| Tue 26 Jul 1988 | Middlesbrough | 2 | 2 | Slight |
| Fri 29 Jul 1988 | Redcar and Cleveland | 2 | 1 | Slight |
| Sat 30 Jul 1988 | Middlesbrough | 2 | 1 | Slight |
| Sun 31 Jul 1988 | Middlesbrough | 2 | 1 | Slight |
| Tue 2 Aug 1988 | Middlesbrough | 1 | 1 | Slight |
| Fri 5 Aug 1988 | Stockton-on-Tees | 2 | 2 | Slight |
| Tue 9 Aug 1988 | Middlesbrough | 1 | 2 | Slight |
| Tue 9 Aug 1988 | Redcar and Cleveland | 2 | 1 | Slight |
| Wed 10 Aug 1988 | Middlesbrough | 1 | 1 | Serious |
| Fri 19 Aug 1988 | Middlesbrough | 1 | 1 | Fatal |
| Fri 19 Aug 1988 | Middlesbrough | 3 | 3 | Slight |
| Mon 29 Aug 1988 | Redcar and Cleveland | 2 | 1 | Slight |
| Wed 31 Aug 1988 | Redcar and Cleveland | 2 | 1 | Slight |
| Fri 2 Sep 1988 | Middlesbrough | 2 | 1 | Slight |
| Sat 10 Sep 1988 | Middlesbrough | 1 | 2 | Slight |
| Sat 10 Sep 1988 | Middlesbrough | 1 | 2 | Slight |
| Sat 10 Sep 1988 | Middlesbrough | 2 | 4 | Slight |
| Sun 11 Sep 1988 | Middlesbrough | 1 | 1 | Slight |
| Wed 14 Sep 1988 | Redcar and Cleveland | 4 | 1 | Slight |
| Wed 21 Sep 1988 | Middlesbrough | 2 | 1 | Slight |
| Fri 23 Sep 1988 | Middlesbrough | 1 | 1 | Serious |
| Thu 6 Oct 1988 | Redcar and Cleveland | 2 | 1 | Slight |
| Thu 6 Oct 1988 | Stockton-on-Tees | 3 | 1 | Slight |
| Tue 11 Oct 1988 | Middlesbrough | 1 | 1 | Slight |
| Tue 11 Oct 1988 | Middlesbrough | 2 | 1 | Slight |
| Thu 13 Oct 1988 | Redcar and Cleveland | 1 | 1 | Slight |
| Thu 13 Oct 1988 | Redcar and Cleveland | 1 | 3 | Serious |
| Sat 15 Oct 1988 | Redcar and Cleveland | 1 | 2 | Slight |
| Mon 17 Oct 1988 | Redcar and Cleveland | 1 | 3 | Serious |
| Tue 18 Oct 1988 | Redcar and Cleveland | 1 | 1 | Fatal |
| Thu 20 Oct 1988 | Stockton-on-Tees | 2 | 3 | Slight |
| Fri 21 Oct 1988 | Middlesbrough | 2 | 1 | Slight |
| Sat 22 Oct 1988 | Middlesbrough | 1 | 1 | Slight |
| Sun 23 Oct 1988 | Middlesbrough | 1 | 1 | Slight |
| Wed 26 Oct 1988 | Middlesbrough | 2 | 1 | Slight |
| Thu 27 Oct 1988 | Middlesbrough | 1 | 1 | Serious |
| Fri 28 Oct 1988 | Redcar and Cleveland | 2 | 1 | Serious |
| Mon 31 Oct 1988 | Redcar and Cleveland | 2 | 1 | Serious |
| Fri 4 Nov 1988 | Redcar and Cleveland | 2 | 1 | Serious |
| Fri 4 Nov 1988 | Middlesbrough | 2 | 1 | Slight |
| Sat 5 Nov 1988 | Redcar and Cleveland | 1 | 1 | Slight |
| Tue 8 Nov 1988 | Middlesbrough | 2 | 1 | Slight |
| Sat 12 Nov 1988 | Middlesbrough | 1 | 2 | Slight |
| Sat 12 Nov 1988 | Redcar and Cleveland | 2 | 1 | Slight |
| Mon 14 Nov 1988 | Redcar and Cleveland | 1 | 1 | Slight |
| Wed 16 Nov 1988 | Middlesbrough | 2 | 1 | Slight |
| Wed 16 Nov 1988 | Middlesbrough | 1 | 2 | Slight |
| Mon 21 Nov 1988 | Middlesbrough | 1 | 2 | Slight |
| Mon 21 Nov 1988 | Middlesbrough | 2 | 1 | Slight |
| Mon 21 Nov 1988 | Redcar and Cleveland | 1 | 2 | Slight |
| Mon 21 Nov 1988 | Redcar and Cleveland | 2 | 3 | Slight |
| Fri 9 Dec 1988 | Middlesbrough | 2 | 1 | Slight |
| Mon 19 Dec 1988 | Middlesbrough | 2 | 1 | Slight |