Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Mon 2 Jan 1984 | Redcar and Cleveland | 1 | 1 | Serious |
| Fri 6 Jan 1984 | Redcar and Cleveland | 1 | 1 | Slight |
| Fri 6 Jan 1984 | Redcar and Cleveland | 2 | 1 | Slight |
| Sat 7 Jan 1984 | Redcar and Cleveland | 2 | 1 | Slight |
| Mon 9 Jan 1984 | Redcar and Cleveland | 1 | 1 | Slight |
| Thu 12 Jan 1984 | Redcar and Cleveland | 2 | 1 | Serious |
| Thu 12 Jan 1984 | Redcar and Cleveland | 3 | 1 | Slight |
| Wed 18 Jan 1984 | Middlesbrough | 1 | 1 | Slight |
| Thu 19 Jan 1984 | Middlesbrough | 1 | 1 | Slight |
| Fri 20 Jan 1984 | Middlesbrough | 2 | 1 | Slight |
| Thu 26 Jan 1984 | Middlesbrough | 2 | 3 | Slight |
| Mon 30 Jan 1984 | Redcar and Cleveland | 1 | 1 | Slight |
| Sun 5 Feb 1984 | Redcar and Cleveland | 2 | 1 | Serious |
| Mon 6 Feb 1984 | Middlesbrough | 1 | 1 | Slight |
| Tue 7 Feb 1984 | Redcar and Cleveland | 2 | 1 | Slight |
| Sat 11 Feb 1984 | Middlesbrough | 1 | 1 | Fatal |
| Sun 12 Feb 1984 | Middlesbrough | 1 | 1 | Slight |
| Sun 12 Feb 1984 | Redcar and Cleveland | 1 | 1 | Slight |
| Mon 13 Feb 1984 | Middlesbrough | 4 | 3 | Slight |
| Tue 14 Feb 1984 | Stockton-on-Tees | 2 | 1 | Slight |
| Fri 17 Feb 1984 | Middlesbrough | 2 | 4 | Slight |
| Sat 25 Feb 1984 | Middlesbrough | 1 | 1 | Slight |
| Tue 28 Feb 1984 | Stockton-on-Tees | 1 | 1 | Slight |
| Wed 29 Feb 1984 | Redcar and Cleveland | 1 | 1 | Serious |
| Wed 29 Feb 1984 | Redcar and Cleveland | 2 | 1 | Serious |
| Sat 3 Mar 1984 | Middlesbrough | 2 | 1 | Slight |
| Sat 3 Mar 1984 | Redcar and Cleveland | 1 | 1 | Serious |
| Mon 5 Mar 1984 | Middlesbrough | 2 | 1 | Slight |
| Mon 5 Mar 1984 | Redcar and Cleveland | 1 | 1 | Slight |
| Mon 12 Mar 1984 | Middlesbrough | 2 | 1 | Slight |
| Thu 15 Mar 1984 | Redcar and Cleveland | 1 | 1 | Slight |
| Thu 22 Mar 1984 | Redcar and Cleveland | 3 | 2 | Slight |
| Fri 23 Mar 1984 | Redcar and Cleveland | 1 | 1 | Slight |
| Mon 26 Mar 1984 | Middlesbrough | 1 | 1 | Slight |
| Sat 31 Mar 1984 | Redcar and Cleveland | 2 | 1 | Slight |
| Mon 2 Apr 1984 | Middlesbrough | 1 | 1 | Slight |
| Mon 2 Apr 1984 | Redcar and Cleveland | 2 | 2 | Serious |
| Fri 6 Apr 1984 | Redcar and Cleveland | 2 | 1 | Slight |
| Fri 6 Apr 1984 | Middlesbrough | 2 | 1 | Slight |
| Mon 9 Apr 1984 | Stockton-on-Tees | 2 | 1 | Slight |
| Sun 15 Apr 1984 | Redcar and Cleveland | 1 | 1 | Serious |
| Mon 16 Apr 1984 | Redcar and Cleveland | 1 | 1 | Slight |
| Tue 17 Apr 1984 | Redcar and Cleveland | 2 | 1 | Slight |
| Mon 23 Apr 1984 | Middlesbrough | 1 | 1 | Slight |
| Mon 30 Apr 1984 | Middlesbrough | 2 | 1 | Slight |
| Thu 10 May 1984 | Redcar and Cleveland | 2 | 1 | Slight |
| Tue 15 May 1984 | Middlesbrough | 1 | 1 | Slight |
| Thu 17 May 1984 | Redcar and Cleveland | 1 | 2 | Serious |
| Thu 17 May 1984 | Middlesbrough | 2 | 1 | Slight |
| Tue 22 May 1984 | Middlesbrough | 2 | 1 | Slight |
| Wed 23 May 1984 | Middlesbrough | 2 | 1 | Slight |
| Thu 31 May 1984 | Redcar and Cleveland | 2 | 1 | Slight |
| Sun 3 Jun 1984 | Redcar and Cleveland | 1 | 1 | Slight |
| Thu 7 Jun 1984 | Redcar and Cleveland | 2 | 1 | Slight |
| Tue 12 Jun 1984 | Middlesbrough | 1 | 1 | Fatal |
| Wed 13 Jun 1984 | Redcar and Cleveland | 3 | 2 | Serious |
| Tue 19 Jun 1984 | Redcar and Cleveland | 2 | 3 | Slight |
| Sat 23 Jun 1984 | Middlesbrough | 2 | 1 | Slight |
| Mon 25 Jun 1984 | Redcar and Cleveland | 2 | 1 | Slight |
| Tue 26 Jun 1984 | Middlesbrough | 2 | 1 | Slight |
| Mon 2 Jul 1984 | Middlesbrough | 2 | 1 | Slight |
| Tue 3 Jul 1984 | Redcar and Cleveland | 1 | 1 | Serious |
| Fri 13 Jul 1984 | Middlesbrough | 3 | 1 | Slight |
| Fri 13 Jul 1984 | Redcar and Cleveland | 3 | 1 | Slight |
| Sun 15 Jul 1984 | Redcar and Cleveland | 2 | 1 | Serious |
| Sat 21 Jul 1984 | Middlesbrough | 2 | 1 | Slight |
| Fri 27 Jul 1984 | Middlesbrough | 2 | 1 | Slight |
| Fri 27 Jul 1984 | Middlesbrough | 2 | 1 | Slight |
| Sat 28 Jul 1984 | Middlesbrough | 2 | 2 | Slight |
| Sun 29 Jul 1984 | Redcar and Cleveland | 2 | 5 | Slight |
| Fri 3 Aug 1984 | Middlesbrough | 1 | 1 | Slight |
| Thu 9 Aug 1984 | Redcar and Cleveland | 1 | 1 | Slight |
| Fri 10 Aug 1984 | Redcar and Cleveland | 1 | 1 | Slight |
| Sat 11 Aug 1984 | Middlesbrough | 4 | 7 | Fatal |
| Mon 13 Aug 1984 | Redcar and Cleveland | 2 | 1 | Slight |
| Thu 16 Aug 1984 | Redcar and Cleveland | 1 | 6 | Fatal |
| Sat 18 Aug 1984 | Middlesbrough | 1 | 1 | Serious |
| Sat 18 Aug 1984 | Middlesbrough | 2 | 1 | Slight |
| Tue 28 Aug 1984 | Middlesbrough | 2 | 1 | Slight |
| Wed 29 Aug 1984 | Redcar and Cleveland | 4 | 2 | Slight |
| Tue 4 Sep 1984 | Middlesbrough | 2 | 1 | Slight |
| Wed 5 Sep 1984 | Middlesbrough | 1 | 1 | Slight |
| Thu 6 Sep 1984 | Redcar and Cleveland | 3 | 2 | Slight |
| Tue 11 Sep 1984 | Redcar and Cleveland | 2 | 3 | Serious |
| Sat 22 Sep 1984 | Stockton-on-Tees | 1 | 1 | Slight |
| Sun 23 Sep 1984 | Redcar and Cleveland | 2 | 1 | Slight |
| Mon 24 Sep 1984 | Middlesbrough | 3 | 1 | Slight |
| Wed 26 Sep 1984 | Redcar and Cleveland | 2 | 1 | Slight |
| Tue 2 Oct 1984 | Redcar and Cleveland | 1 | 1 | Slight |
| Fri 5 Oct 1984 | Redcar and Cleveland | 1 | 1 | Slight |
| Sat 6 Oct 1984 | Middlesbrough | 2 | 2 | Serious |
| Tue 16 Oct 1984 | Middlesbrough | 1 | 1 | Serious |
| Wed 17 Oct 1984 | Redcar and Cleveland | 1 | 1 | Slight |
| Sun 21 Oct 1984 | Redcar and Cleveland | 2 | 1 | Slight |
| Mon 22 Oct 1984 | Middlesbrough | 2 | 1 | Slight |
| Tue 23 Oct 1984 | Redcar and Cleveland | 2 | 1 | Slight |
| Sun 28 Oct 1984 | Middlesbrough | 1 | 1 | Slight |
| Tue 30 Oct 1984 | Middlesbrough | 1 | 1 | Slight |
| Fri 2 Nov 1984 | Stockton-on-Tees | 1 | 1 | Slight |
| Sat 3 Nov 1984 | Middlesbrough | 2 | 1 | Slight |
| Sat 3 Nov 1984 | Stockton-on-Tees | 1 | 1 | Serious |
| Mon 5 Nov 1984 | Middlesbrough | 2 | 3 | Slight |
| Sat 10 Nov 1984 | Middlesbrough | 1 | 1 | Serious |
| Sat 10 Nov 1984 | Middlesbrough | 1 | 1 | Slight |
| Mon 12 Nov 1984 | Redcar and Cleveland | 2 | 2 | Slight |
| Tue 13 Nov 1984 | Middlesbrough | 1 | 1 | Slight |
| Tue 13 Nov 1984 | Redcar and Cleveland | 3 | 2 | Slight |
| Wed 14 Nov 1984 | Middlesbrough | 3 | 1 | Slight |
| Fri 16 Nov 1984 | Middlesbrough | 1 | 1 | Serious |
| Sat 17 Nov 1984 | Middlesbrough | 1 | 1 | Slight |
| Wed 21 Nov 1984 | Stockton-on-Tees | 1 | 1 | Slight |
| Fri 23 Nov 1984 | Middlesbrough | 2 | 1 | Slight |
| Sun 25 Nov 1984 | Redcar and Cleveland | 1 | 1 | Slight |
| Mon 26 Nov 1984 | Redcar and Cleveland | 2 | 1 | Slight |
| Wed 28 Nov 1984 | Stockton-on-Tees | 2 | 1 | Slight |
| Sun 2 Dec 1984 | Middlesbrough | 2 | 1 | Slight |
| Mon 3 Dec 1984 | Redcar and Cleveland | 1 | 1 | Slight |
| Thu 6 Dec 1984 | Redcar and Cleveland | 2 | 1 | Slight |
| Sat 8 Dec 1984 | Middlesbrough | 1 | 1 | Slight |
| Sun 9 Dec 1984 | Redcar and Cleveland | 1 | 1 | Slight |
| Tue 11 Dec 1984 | Redcar and Cleveland | 2 | 1 | Slight |
| Thu 13 Dec 1984 | Middlesbrough | 3 | 1 | Slight |
| Tue 18 Dec 1984 | Middlesbrough | 2 | 1 | Slight |
| Tue 18 Dec 1984 | Middlesbrough | 2 | 1 | Slight |
| Thu 20 Dec 1984 | Redcar and Cleveland | 2 | 1 | Slight |
| Thu 20 Dec 1984 | Redcar and Cleveland | 1 | 1 | Slight |