Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Mon 9 Jan 1984 | South Lakeland | 2 | 1 | Serious |
| Tue 10 Jan 1984 | Leeds | 2 | 1 | Slight |
| Tue 10 Jan 1984 | South Lakeland | 2 | 2 | Serious |
| Thu 12 Jan 1984 | Leeds | 1 | 1 | Slight |
| Thu 12 Jan 1984 | Craven | 2 | 1 | Slight |
| Fri 13 Jan 1984 | Bradford | 1 | 1 | Serious |
| Sat 14 Jan 1984 | Bradford | 2 | 1 | Slight |
| Sun 15 Jan 1984 | Bradford | 1 | 1 | Slight |
| Mon 16 Jan 1984 | Leeds | 3 | 1 | Slight |
| Fri 20 Jan 1984 | Leeds | 1 | 1 | Slight |
| Fri 20 Jan 1984 | Leeds | 2 | 1 | Slight |
| Sat 21 Jan 1984 | Leeds | 2 | 1 | Slight |
| Fri 27 Jan 1984 | Leeds | 1 | 1 | Serious |
| Mon 6 Feb 1984 | Leeds | 1 | 1 | Serious |
| Tue 7 Feb 1984 | Leeds | 1 | 1 | Slight |
| Thu 9 Feb 1984 | Bradford | 1 | 1 | Serious |
| Fri 10 Feb 1984 | Bradford | 2 | 1 | Slight |
| Sat 11 Feb 1984 | Bradford | 1 | 2 | Slight |
| Sun 12 Feb 1984 | Lancaster | 1 | 2 | Slight |
| Sun 12 Feb 1984 | Craven | 2 | 1 | Slight |
| Tue 14 Feb 1984 | Leeds | 2 | 2 | Serious |
| Sat 18 Feb 1984 | Bradford | 2 | 1 | Slight |
| Sat 18 Feb 1984 | Craven | 4 | 2 | Serious |
| Tue 21 Feb 1984 | Leeds | 2 | 1 | Slight |
| Thu 23 Feb 1984 | Bradford | 1 | 1 | Slight |
| Sat 25 Feb 1984 | Craven | 1 | 1 | Serious |
| Sun 26 Feb 1984 | Craven | 1 | 1 | Serious |
| Sun 26 Feb 1984 | Bradford | 3 | 1 | Slight |
| Mon 5 Mar 1984 | Bradford | 2 | 1 | Slight |
| Tue 6 Mar 1984 | South Lakeland | 2 | 1 | Slight |
| Wed 7 Mar 1984 | South Lakeland | 2 | 1 | Serious |
| Thu 8 Mar 1984 | Craven | 3 | 1 | Serious |
| Sat 10 Mar 1984 | Bradford | 1 | 1 | Slight |
| Fri 16 Mar 1984 | Leeds | 1 | 1 | Serious |
| Fri 16 Mar 1984 | Leeds | 1 | 1 | Slight |
| Thu 22 Mar 1984 | Leeds | 1 | 1 | Serious |
| Fri 23 Mar 1984 | South Lakeland | 2 | 3 | Serious |
| Fri 23 Mar 1984 | Leeds | 1 | 1 | Slight |
| Tue 27 Mar 1984 | Leeds | 2 | 1 | Serious |
| Wed 28 Mar 1984 | Leeds | 2 | 1 | Slight |
| Sat 31 Mar 1984 | Leeds | 1 | 1 | Slight |
| Fri 6 Apr 1984 | Leeds | 1 | 1 | Slight |
| Sun 8 Apr 1984 | Craven | 2 | 2 | Serious |
| Fri 13 Apr 1984 | Craven | 2 | 1 | Serious |
| Sun 15 Apr 1984 | Craven | 8 | 8 | Serious |
| Mon 16 Apr 1984 | Bradford | 3 | 1 | Slight |
| Tue 17 Apr 1984 | Craven | 2 | 5 | Serious |
| Thu 19 Apr 1984 | Leeds | 1 | 1 | Slight |
| Sat 21 Apr 1984 | Bradford | 2 | 1 | Slight |
| Sun 22 Apr 1984 | Craven | 1 | 1 | Serious |
| Mon 23 Apr 1984 | Bradford | 2 | 1 | Slight |
| Sat 28 Apr 1984 | Bradford | 2 | 3 | Slight |
| Sat 28 Apr 1984 | Bradford | 2 | 2 | Slight |
| Sun 29 Apr 1984 | Craven | 4 | 1 | Serious |
| Mon 30 Apr 1984 | Leeds | 2 | 1 | Slight |
| Tue 1 May 1984 | Leeds | 2 | 2 | Slight |
| Fri 4 May 1984 | Leeds | 2 | 1 | Serious |
| Fri 4 May 1984 | Leeds | 2 | 1 | Slight |
| Fri 4 May 1984 | Craven | 1 | 1 | Slight |
| Fri 4 May 1984 | Craven | 3 | 1 | Slight |
| Sat 5 May 1984 | Craven | 1 | 2 | Serious |
| Mon 7 May 1984 | South Lakeland | 2 | 1 | Serious |
| Tue 8 May 1984 | South Lakeland | 1 | 1 | Slight |
| Wed 9 May 1984 | Craven | 3 | 2 | Serious |
| Wed 9 May 1984 | Leeds | 2 | 1 | Slight |
| Sun 13 May 1984 | Craven | 2 | 1 | Slight |
| Tue 15 May 1984 | Bradford | 2 | 1 | Slight |
| Wed 16 May 1984 | Leeds | 2 | 1 | Slight |
| Fri 18 May 1984 | South Lakeland | 2 | 1 | Slight |
| Sat 19 May 1984 | Leeds | 1 | 1 | Slight |
| Sun 20 May 1984 | Craven | 1 | 3 | Serious |
| Thu 24 May 1984 | Leeds | 2 | 1 | Slight |
| Thu 24 May 1984 | Leeds | 2 | 1 | Slight |
| Thu 24 May 1984 | Leeds | 1 | 1 | Slight |
| Fri 25 May 1984 | Leeds | 3 | 2 | Serious |
| Fri 25 May 1984 | Leeds | 1 | 1 | Slight |
| Wed 30 May 1984 | Craven | 3 | 1 | Slight |
| Thu 31 May 1984 | Leeds | 2 | 1 | Slight |
| Fri 1 Jun 1984 | Craven | 3 | 2 | Serious |
| Sun 3 Jun 1984 | Leeds | 1 | 1 | Serious |
| Tue 5 Jun 1984 | Leeds | 2 | 1 | Slight |
| Fri 8 Jun 1984 | Leeds | 1 | 1 | Slight |
| Fri 8 Jun 1984 | Craven | 1 | 1 | Serious |
| Mon 11 Jun 1984 | Leeds | 2 | 1 | Slight |
| Mon 11 Jun 1984 | Bradford | 1 | 3 | Serious |
| Wed 13 Jun 1984 | Bradford | 2 | 1 | Slight |
| Fri 15 Jun 1984 | South Lakeland | 1 | 1 | Slight |
| Thu 21 Jun 1984 | Bradford | 1 | 1 | Slight |
| Mon 25 Jun 1984 | Leeds | 2 | 2 | Slight |
| Tue 26 Jun 1984 | Bury | 4 | 2 | Slight |
| Mon 2 Jul 1984 | Leeds | 3 | 1 | Slight |
| Tue 3 Jul 1984 | Craven | 2 | 1 | Serious |
| Wed 4 Jul 1984 | Burnley | 1 | 1 | Slight |
| Fri 6 Jul 1984 | Leeds | 1 | 2 | Serious |
| Sat 7 Jul 1984 | Craven | 1 | 1 | Slight |
| Sat 7 Jul 1984 | Bradford | 2 | 2 | Slight |
| Mon 9 Jul 1984 | South Lakeland | 1 | 2 | Slight |
| Mon 9 Jul 1984 | South Lakeland | 1 | 2 | Slight |
| Tue 10 Jul 1984 | Craven | 1 | 2 | Slight |
| Tue 10 Jul 1984 | Leeds | 3 | 4 | Serious |
| Wed 11 Jul 1984 | Leeds | 2 | 1 | Slight |
| Thu 12 Jul 1984 | Bradford | 1 | 1 | Slight |
| Fri 13 Jul 1984 | Leeds | 2 | 1 | Slight |
| Sun 15 Jul 1984 | Bradford | 3 | 2 | Slight |
| Wed 18 Jul 1984 | Bradford | 2 | 1 | Slight |
| Sat 21 Jul 1984 | Leeds | 2 | 1 | Slight |
| Wed 25 Jul 1984 | Leeds | 2 | 1 | Slight |
| Wed 25 Jul 1984 | Bradford | 2 | 1 | Slight |
| Sun 29 Jul 1984 | Leeds | 2 | 2 | Slight |
| Tue 31 Jul 1984 | South Lakeland | 2 | 2 | Slight |
| Wed 1 Aug 1984 | Leeds | 3 | 1 | Slight |
| Thu 2 Aug 1984 | Leeds | 1 | 1 | Serious |
| Sun 5 Aug 1984 | South Lakeland | 2 | 1 | Serious |
| Mon 6 Aug 1984 | Craven | 2 | 2 | Slight |
| Mon 6 Aug 1984 | Craven | 2 | 2 | Slight |
| Tue 7 Aug 1984 | Leeds | 3 | 1 | Serious |
| Wed 8 Aug 1984 | Craven | 2 | 1 | Slight |
| Fri 10 Aug 1984 | South Lakeland | 2 | 1 | Slight |
| Sat 11 Aug 1984 | Bradford | 3 | 1 | Slight |
| Sun 12 Aug 1984 | Craven | 4 | 2 | Slight |
| Sun 12 Aug 1984 | Craven | 1 | 4 | Slight |
| Wed 15 Aug 1984 | South Lakeland | 2 | 1 | Slight |
| Sat 18 Aug 1984 | Leeds | 2 | 1 | Serious |
| Sat 18 Aug 1984 | Bradford | 2 | 1 | Slight |
| Mon 20 Aug 1984 | South Lakeland | 2 | 1 | Serious |
| Mon 20 Aug 1984 | Craven | 1 | 1 | Slight |
| Tue 21 Aug 1984 | Craven | 2 | 1 | Slight |
| Thu 23 Aug 1984 | Leeds | 2 | 1 | Serious |
| Sat 25 Aug 1984 | Leeds | 1 | 1 | Serious |
| Sun 26 Aug 1984 | Craven | 1 | 2 | Slight |
| Tue 28 Aug 1984 | Bradford | 2 | 1 | Slight |
| Tue 28 Aug 1984 | Leeds | 2 | 1 | Slight |
| Fri 7 Sep 1984 | Leeds | 2 | 1 | Slight |
| Sun 9 Sep 1984 | Bradford | 2 | 2 | Slight |
| Mon 10 Sep 1984 | South Lakeland | 2 | 2 | Slight |
| Mon 10 Sep 1984 | Leeds | 2 | 1 | Slight |
| Tue 11 Sep 1984 | Hyndburn | 2 | 1 | Slight |
| Tue 11 Sep 1984 | Bradford | 1 | 1 | Slight |
| Tue 11 Sep 1984 | Bradford | 2 | 2 | Serious |
| Thu 13 Sep 1984 | Craven | 1 | 1 | Serious |
| Fri 14 Sep 1984 | Bradford | 2 | 1 | Slight |
| Fri 14 Sep 1984 | Bradford | 3 | 1 | Slight |
| Sat 15 Sep 1984 | Craven | 1 | 1 | Slight |
| Tue 18 Sep 1984 | Bradford | 2 | 1 | Slight |
| Thu 20 Sep 1984 | Leeds | 1 | 2 | Serious |
| Sat 22 Sep 1984 | Craven | 2 | 4 | Serious |
| Wed 26 Sep 1984 | Craven | 2 | 3 | Serious |
| Fri 28 Sep 1984 | Bradford | 3 | 3 | Slight |
| Fri 28 Sep 1984 | Leeds | 1 | 1 | Slight |
| Mon 1 Oct 1984 | Leeds | 1 | 1 | Slight |
| Mon 1 Oct 1984 | Leeds | 3 | 1 | Slight |
| Thu 4 Oct 1984 | Leeds | 2 | 1 | Slight |
| Thu 4 Oct 1984 | Bradford | 1 | 1 | Slight |
| Sun 7 Oct 1984 | Leeds | 2 | 2 | Serious |
| Mon 8 Oct 1984 | Pendle | 1 | 1 | Slight |
| Mon 8 Oct 1984 | Craven | 2 | 2 | Serious |
| Wed 10 Oct 1984 | Leeds | 1 | 1 | Slight |
| Thu 11 Oct 1984 | South Lakeland | 2 | 1 | Serious |
| Fri 12 Oct 1984 | Craven | 2 | 1 | Serious |
| Fri 12 Oct 1984 | Bradford | 1 | 1 | Slight |
| Fri 12 Oct 1984 | Leeds | 1 | 1 | Slight |
| Sun 14 Oct 1984 | Leeds | 2 | 2 | Slight |
| Mon 15 Oct 1984 | Leeds | 1 | 1 | Serious |
| Tue 16 Oct 1984 | Craven | 2 | 1 | Slight |
| Thu 18 Oct 1984 | Leeds | 3 | 1 | Slight |
| Thu 18 Oct 1984 | Leeds | 2 | 2 | Slight |
| Fri 19 Oct 1984 | Craven | 2 | 2 | Slight |
| Tue 23 Oct 1984 | Craven | 4 | 2 | Serious |
| Wed 24 Oct 1984 | South Lakeland | 2 | 1 | Slight |
| Wed 24 Oct 1984 | Leeds | 2 | 1 | Fatal |
| Thu 25 Oct 1984 | Leeds | 2 | 1 | Slight |
| Thu 25 Oct 1984 | Leeds | 1 | 2 | Serious |
| Fri 26 Oct 1984 | Bradford | 2 | 1 | Slight |
| Sun 28 Oct 1984 | Bradford | 2 | 2 | Slight |
| Sun 28 Oct 1984 | Bradford | 2 | 2 | Slight |
| Mon 29 Oct 1984 | Leeds | 2 | 1 | Slight |
| Fri 2 Nov 1984 | Leeds | 1 | 1 | Slight |
| Sat 3 Nov 1984 | Bradford | 1 | 1 | Slight |
| Sun 4 Nov 1984 | Craven | 3 | 2 | Fatal |
| Mon 5 Nov 1984 | Hyndburn | 2 | 1 | Slight |
| Wed 7 Nov 1984 | South Lakeland | 2 | 1 | Slight |
| Thu 8 Nov 1984 | Bradford | 2 | 1 | Slight |
| Fri 9 Nov 1984 | Leeds | 2 | 1 | Slight |
| Sun 11 Nov 1984 | South Lakeland | 2 | 1 | Slight |
| Mon 12 Nov 1984 | Burnley | 1 | 1 | Slight |
| Mon 12 Nov 1984 | Bradford | 1 | 1 | Slight |
| Wed 14 Nov 1984 | Leeds | 2 | 1 | Slight |
| Wed 14 Nov 1984 | Leeds | 2 | 1 | Slight |
| Thu 15 Nov 1984 | Leeds | 2 | 1 | Slight |
| Fri 16 Nov 1984 | Leeds | 2 | 1 | Slight |
| Tue 20 Nov 1984 | Bradford | 3 | 2 | Slight |
| Tue 20 Nov 1984 | Bradford | 1 | 1 | Slight |
| Thu 22 Nov 1984 | South Lakeland | 2 | 1 | Slight |
| Thu 22 Nov 1984 | Leeds | 2 | 1 | Slight |
| Fri 23 Nov 1984 | Leeds | 1 | 1 | Serious |
| Sun 25 Nov 1984 | Bradford | 3 | 2 | Slight |
| Wed 28 Nov 1984 | Bradford | 1 | 1 | Slight |
| Wed 28 Nov 1984 | South Lakeland | 2 | 1 | Slight |
| Wed 28 Nov 1984 | South Lakeland | 2 | 2 | Slight |
| Fri 30 Nov 1984 | Craven | 3 | 3 | Serious |
| Fri 30 Nov 1984 | Craven | 2 | 2 | Slight |
| Sun 2 Dec 1984 | Bradford | 2 | 2 | Slight |
| Mon 3 Dec 1984 | Bradford | 2 | 2 | Slight |
| Sat 8 Dec 1984 | Leeds | 2 | 1 | Slight |
| Sun 9 Dec 1984 | Leeds | 1 | 1 | Slight |
| Sun 9 Dec 1984 | Leeds | 2 | 1 | Slight |
| Wed 12 Dec 1984 | Bradford | 1 | 1 | Fatal |
| Thu 20 Dec 1984 | Bradford | 2 | 2 | Serious |
| Thu 20 Dec 1984 | South Lakeland | 2 | 1 | Slight |
| Fri 21 Dec 1984 | Craven | 2 | 1 | Serious |
| Fri 21 Dec 1984 | Leeds | 3 | 1 | Slight |
| Fri 21 Dec 1984 | Leeds | 2 | 2 | Serious |
| Wed 26 Dec 1984 | Craven | 2 | 3 | Slight |
| Thu 27 Dec 1984 | South Lakeland | 1 | 2 | Serious |
| Thu 27 Dec 1984 | Leeds | 2 | 1 | Slight |
| Mon 31 Dec 1984 | Leeds | 1 | 1 | Fatal |
| Mon 31 Dec 1984 | Craven | 1 | 1 | Slight |