Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Thu 23 Feb 1984 | Middlesbrough | 3 | 2 | Slight |
| Sun 25 Mar 1984 | Middlesbrough | 2 | 2 | Slight |
| Fri 30 Mar 1984 | Stockton-on-Tees | 1 | 1 | Slight |
| Fri 30 Mar 1984 | Middlesbrough | 2 | 1 | Slight |
| Tue 10 Apr 1984 | Middlesbrough | 2 | 1 | Slight |
| Wed 23 May 1984 | Middlesbrough | 3 | 1 | Slight |
| Tue 26 Jun 1984 | Middlesbrough | 2 | 1 | Slight |
| Fri 13 Jul 1984 | Middlesbrough | 2 | 3 | Slight |
| Sun 15 Jul 1984 | Middlesbrough | 2 | 1 | Slight |
| Wed 25 Jul 1984 | Middlesbrough | 1 | 1 | Slight |
| Fri 10 Aug 1984 | Stockton-on-Tees | 1 | 1 | Slight |
| Fri 24 Aug 1984 | Stockton-on-Tees | 2 | 1 | Slight |
| Mon 17 Sep 1984 | Middlesbrough | 2 | 1 | Slight |
| Fri 5 Oct 1984 | Middlesbrough | 2 | 1 | Slight |
| Fri 12 Oct 1984 | Stockton-on-Tees | 2 | 1 | Slight |
| Sat 13 Oct 1984 | Middlesbrough | 1 | 2 | Slight |
| Sat 27 Oct 1984 | Middlesbrough | 1 | 1 | Slight |
| Thu 1 Nov 1984 | Stockton-on-Tees | 2 | 1 | Serious |
| Fri 9 Nov 1984 | Middlesbrough | 1 | 1 | Serious |
| Tue 20 Nov 1984 | Middlesbrough | 1 | 1 | Slight |
| Mon 26 Nov 1984 | Middlesbrough | 2 | 1 | Slight |
| Sat 22 Dec 1984 | Middlesbrough | 3 | 2 | Slight |