Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Thu 9 Jan 1986 | Middlesbrough | 1 | 1 | Slight |
| Wed 22 Jan 1986 | Hambleton | 1 | 1 | Serious |
| Sun 2 Feb 1986 | Hambleton | 2 | 3 | Slight |
| Wed 12 Mar 1986 | Middlesbrough | 2 | 1 | Slight |
| Mon 24 Mar 1986 | Middlesbrough | 2 | 1 | Slight |
| Tue 29 Apr 1986 | Middlesbrough | 1 | 1 | Slight |
| Thu 22 May 1986 | Hambleton | 2 | 2 | Fatal |
| Sun 15 Jun 1986 | Middlesbrough | 5 | 3 | Serious |
| Mon 16 Jun 1986 | Middlesbrough | 3 | 1 | Slight |
| Wed 23 Jul 1986 | Hambleton | 3 | 1 | Serious |
| Thu 7 Aug 1986 | Middlesbrough | 2 | 1 | Slight |
| Mon 18 Aug 1986 | Middlesbrough | 2 | 2 | Slight |
| Mon 6 Oct 1986 | Middlesbrough | 2 | 1 | Slight |
| Sat 18 Oct 1986 | Hambleton | 1 | 3 | Serious |
| Sun 19 Oct 1986 | Hambleton | 1 | 1 | Slight |
| Wed 22 Oct 1986 | Middlesbrough | 1 | 1 | Serious |
| Mon 10 Nov 1986 | Hambleton | 2 | 2 | Slight |