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