Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Sun 1 Jan 1984 | Wear Valley | 1 | 1 | Slight |
| Sat 7 Jan 1984 | Tynedale | 2 | 1 | Slight |
| Fri 13 Jan 1984 | Tynedale | 1 | 1 | Slight |
| Sat 14 Jan 1984 | Derwentside | 3 | 1 | Serious |
| Tue 17 Jan 1984 | Darlington | 2 | 1 | Slight |
| Fri 20 Jan 1984 | Darlington | 2 | 3 | Slight |
| Sat 28 Jan 1984 | Tynedale | 2 | 1 | Slight |
| Fri 3 Feb 1984 | Derwentside | 2 | 1 | Slight |
| Wed 8 Feb 1984 | Wear Valley | 2 | 1 | Slight |
| Thu 9 Feb 1984 | Wear Valley | 2 | 2 | Slight |
| Fri 10 Feb 1984 | Tynedale | 1 | 2 | Serious |
| Fri 17 Feb 1984 | Wear Valley | 1 | 1 | Serious |
| Fri 17 Feb 1984 | Tynedale | 1 | 1 | Slight |
| Sun 19 Feb 1984 | Tynedale | 2 | 1 | Serious |
| Fri 24 Feb 1984 | Darlington | 2 | 2 | Serious |
| Sun 26 Feb 1984 | Tynedale | 2 | 1 | Serious |
| Fri 2 Mar 1984 | Wear Valley | 3 | 1 | Slight |
| Sat 10 Mar 1984 | Tynedale | 3 | 1 | Slight |
| Sat 17 Mar 1984 | Tynedale | 3 | 2 | Serious |
| Thu 22 Mar 1984 | Tynedale | 2 | 1 | Slight |
| Thu 22 Mar 1984 | Tynedale | 2 | 2 | Serious |
| Sun 25 Mar 1984 | Wear Valley | 1 | 1 | Slight |
| Mon 9 Apr 1984 | Darlington | 1 | 1 | Slight |
| Sun 15 Apr 1984 | Tynedale | 1 | 1 | Serious |
| Fri 20 Apr 1984 | Derwentside | 1 | 1 | Slight |
| Sat 21 Apr 1984 | Wear Valley | 3 | 1 | Slight |
| Mon 23 Apr 1984 | Tynedale | 3 | 3 | Serious |
| Sun 29 Apr 1984 | Tynedale | 2 | 4 | Slight |
| Thu 3 May 1984 | Castle Morpeth | 1 | 1 | Serious |
| Sun 13 May 1984 | Tynedale | 2 | 1 | Serious |
| Tue 15 May 1984 | Darlington | 1 | 1 | Slight |
| Thu 17 May 1984 | Darlington | 2 | 1 | Slight |
| Fri 18 May 1984 | Darlington | 1 | 6 | Serious |
| Fri 25 May 1984 | Darlington | 2 | 1 | Slight |
| Sun 27 May 1984 | Darlington | 2 | 1 | Slight |
| Tue 29 May 1984 | Darlington | 2 | 1 | Slight |
| Tue 5 Jun 1984 | Tynedale | 1 | 1 | Slight |
| Sat 9 Jun 1984 | Tynedale | 2 | 1 | Slight |
| Sun 17 Jun 1984 | Derwentside | 1 | 1 | Slight |
| Sun 24 Jun 1984 | Tynedale | 1 | 1 | Serious |
| Fri 29 Jun 1984 | Wear Valley | 2 | 1 | Serious |
| Fri 6 Jul 1984 | Tynedale | 2 | 1 | Slight |
| Fri 6 Jul 1984 | Tynedale | 2 | 3 | Slight |
| Tue 17 Jul 1984 | Wear Valley | 2 | 5 | Fatal |
| Sat 28 Jul 1984 | Wansbeck | 2 | 1 | Slight |
| Fri 3 Aug 1984 | Tynedale | 1 | 1 | Slight |
| Sat 4 Aug 1984 | Wear Valley | 2 | 3 | Serious |
| Sun 5 Aug 1984 | Tynedale | 2 | 2 | Serious |
| Tue 14 Aug 1984 | Tynedale | 1 | 1 | Slight |
| Wed 15 Aug 1984 | Tynedale | 3 | 5 | Serious |
| Mon 20 Aug 1984 | Derwentside | 2 | 3 | Slight |
| Mon 20 Aug 1984 | Darlington | 1 | 1 | Slight |
| Sat 25 Aug 1984 | Darlington | 1 | 1 | Slight |
| Mon 27 Aug 1984 | Darlington | 2 | 1 | Serious |
| Tue 28 Aug 1984 | Tynedale | 1 | 1 | Slight |
| Sat 1 Sep 1984 | Darlington | 2 | 6 | Slight |
| Tue 4 Sep 1984 | Tynedale | 1 | 1 | Slight |
| Sat 8 Sep 1984 | Darlington | 1 | 1 | Serious |
| Sat 8 Sep 1984 | Tynedale | 2 | 3 | Serious |
| Fri 14 Sep 1984 | Tynedale | 3 | 2 | Slight |
| Fri 21 Sep 1984 | Wear Valley | 3 | 2 | Slight |
| Fri 21 Sep 1984 | Darlington | 1 | 2 | Slight |
| Sat 29 Sep 1984 | Wear Valley | 1 | 2 | Slight |
| Mon 1 Oct 1984 | Wear Valley | 2 | 3 | Slight |
| Thu 4 Oct 1984 | Wear Valley | 2 | 1 | Slight |
| Mon 8 Oct 1984 | Tynedale | 1 | 1 | Serious |
| Mon 15 Oct 1984 | Darlington | 2 | 1 | Serious |
| Mon 15 Oct 1984 | Darlington | 1 | 1 | Slight |
| Thu 18 Oct 1984 | Darlington | 1 | 1 | Serious |
| Thu 18 Oct 1984 | Darlington | 2 | 1 | Slight |
| Mon 22 Oct 1984 | Darlington | 2 | 2 | Slight |
| Thu 1 Nov 1984 | Wear Valley | 2 | 1 | Slight |
| Sat 3 Nov 1984 | Darlington | 2 | 2 | Serious |
| Thu 8 Nov 1984 | Tynedale | 1 | 3 | Serious |
| Tue 13 Nov 1984 | Tynedale | 3 | 1 | Serious |
| Wed 21 Nov 1984 | Darlington | 2 | 1 | Serious |
| Thu 22 Nov 1984 | Darlington | 2 | 1 | Slight |
| Sat 24 Nov 1984 | Derwentside | 3 | 3 | Slight |
| Wed 28 Nov 1984 | Darlington | 1 | 1 | Slight |
| Sat 1 Dec 1984 | Tynedale | 2 | 4 | Serious |
| Sun 2 Dec 1984 | Teesdale | 1 | 1 | Serious |
| Tue 4 Dec 1984 | Wear Valley | 1 | 1 | Slight |
| Tue 4 Dec 1984 | Wear Valley | 2 | 1 | Fatal |
| Thu 6 Dec 1984 | Darlington | 1 | 1 | Slight |
| Sun 9 Dec 1984 | Darlington | 1 | 1 | Slight |
| Tue 11 Dec 1984 | Tynedale | 3 | 2 | Slight |
| Sat 15 Dec 1984 | Tynedale | 1 | 2 | Slight |
| Wed 19 Dec 1984 | Darlington | 2 | 1 | Slight |
| Fri 21 Dec 1984 | Wear Valley | 1 | 1 | Serious |
| Mon 24 Dec 1984 | Teesdale | 2 | 3 | Fatal |