Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Wed 26 Feb 1986 | Stockton-on-Tees | 2 | 1 | Serious |
| Fri 14 Mar 1986 | Stockton-on-Tees | 2 | 1 | Slight |
| Fri 25 Apr 1986 | Stockton-on-Tees | 1 | 1 | Serious |
| Mon 5 May 1986 | Stockton-on-Tees | 2 | 2 | Slight |
| Sat 7 Jun 1986 | Stockton-on-Tees | 3 | 1 | Slight |
| Wed 23 Jul 1986 | Stockton-on-Tees | 2 | 2 | Slight |
| Fri 25 Jul 1986 | Stockton-on-Tees | 2 | 1 | Serious |
| Sat 9 Aug 1986 | Stockton-on-Tees | 2 | 3 | Serious |
| Sat 13 Sep 1986 | Stockton-on-Tees | 2 | 1 | Slight |
| Wed 24 Sep 1986 | Stockton-on-Tees | 2 | 1 | Serious |
| Fri 17 Oct 1986 | Stockton-on-Tees | 2 | 4 | Slight |
| Mon 20 Oct 1986 | Stockton-on-Tees | 1 | 1 | Slight |
| Sat 1 Nov 1986 | Stockton-on-Tees | 1 | 1 | Slight |
| Sat 15 Nov 1986 | Stockton-on-Tees | 2 | 1 | Slight |
| Sat 15 Nov 1986 | Stockton-on-Tees | 2 | 2 | Slight |
| Sat 13 Dec 1986 | Stockton-on-Tees | 1 | 2 | Slight |