Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Sat 14 Jan 1984 | Barnsley | 1 | 1 | Slight |
| Thu 19 Jan 1984 | Barnsley | 2 | 1 | Slight |
| Sun 22 Jan 1984 | Barnsley | 3 | 1 | Slight |
| Thu 2 Feb 1984 | Barnsley | 1 | 2 | Slight |
| Thu 2 Feb 1984 | Rotherham | 2 | 1 | Slight |
| Fri 3 Feb 1984 | Rotherham | 1 | 3 | Serious |
| Mon 6 Feb 1984 | Rotherham | 1 | 2 | Slight |
| Tue 7 Feb 1984 | Rotherham | 2 | 1 | Slight |
| Fri 10 Feb 1984 | Barnsley | 1 | 1 | Slight |
| Fri 17 Feb 1984 | Rotherham | 1 | 1 | Slight |
| Fri 17 Feb 1984 | Barnsley | 1 | 1 | Fatal |
| Thu 23 Feb 1984 | Rotherham | 2 | 1 | Slight |
| Sat 25 Feb 1984 | Rotherham | 1 | 2 | Fatal |
| Sat 3 Mar 1984 | Rotherham | 1 | 1 | Slight |
| Sun 4 Mar 1984 | Barnsley | 1 | 1 | Slight |
| Sun 1 Apr 1984 | Barnsley | 2 | 1 | Serious |
| Mon 2 Apr 1984 | Rotherham | 2 | 1 | Slight |
| Fri 6 Apr 1984 | Barnsley | 1 | 2 | Slight |
| Sun 8 Apr 1984 | Rotherham | 3 | 1 | Slight |
| Sun 8 Apr 1984 | Barnsley | 2 | 6 | Slight |
| Fri 13 Apr 1984 | Barnsley | 1 | 1 | Slight |
| Tue 17 Apr 1984 | Halton | 2 | 3 | Slight |
| Wed 18 Apr 1984 | Barnsley | 1 | 1 | Slight |
| Sun 6 May 1984 | Barnsley | 1 | 1 | Serious |
| Wed 9 May 1984 | Rotherham | 2 | 1 | Serious |
| Wed 9 May 1984 | Barnsley | 2 | 1 | Slight |
| Sun 27 May 1984 | Barnsley | 2 | 1 | Slight |
| Mon 28 May 1984 | Rotherham | 2 | 1 | Slight |
| Wed 30 May 1984 | Rotherham | 1 | 1 | Slight |
| Sun 3 Jun 1984 | Barnsley | 2 | 1 | Slight |
| Sat 9 Jun 1984 | Barnsley | 1 | 1 | Slight |
| Sat 16 Jun 1984 | Rotherham | 2 | 2 | Slight |
| Wed 27 Jun 1984 | Barnsley | 2 | 1 | Slight |
| Thu 28 Jun 1984 | Rotherham | 2 | 2 | Serious |
| Sat 30 Jun 1984 | Barnsley | 1 | 1 | Slight |
| Tue 3 Jul 1984 | Barnsley | 1 | 1 | Serious |
| Wed 4 Jul 1984 | Rotherham | 2 | 1 | Slight |
| Sun 8 Jul 1984 | Rotherham | 2 | 1 | Serious |
| Tue 17 Jul 1984 | Rotherham | 2 | 1 | Serious |
| Thu 19 Jul 1984 | Barnsley | 2 | 2 | Slight |
| Wed 25 Jul 1984 | Barnsley | 1 | 1 | Slight |
| Fri 27 Jul 1984 | Barnsley | 2 | 1 | Slight |
| Tue 31 Jul 1984 | Rotherham | 2 | 1 | Slight |
| Fri 3 Aug 1984 | Rotherham | 2 | 1 | Slight |
| Fri 3 Aug 1984 | Rotherham | 1 | 1 | Slight |
| Mon 6 Aug 1984 | Rotherham | 3 | 3 | Slight |
| Thu 16 Aug 1984 | Barnsley | 1 | 1 | Slight |
| Mon 20 Aug 1984 | Barnsley | 3 | 1 | Serious |
| Thu 30 Aug 1984 | Rotherham | 2 | 2 | Slight |
| Mon 10 Sep 1984 | Rotherham | 2 | 1 | Slight |
| Sat 15 Sep 1984 | Barnsley | 1 | 1 | Slight |
| Mon 24 Sep 1984 | Barnsley | 1 | 1 | Slight |
| Fri 28 Sep 1984 | Rotherham | 1 | 1 | Slight |
| Wed 3 Oct 1984 | Rotherham | 1 | 1 | Slight |
| Tue 16 Oct 1984 | Barnsley | 1 | 1 | Slight |
| Wed 17 Oct 1984 | Rotherham | 2 | 1 | Slight |
| Thu 18 Oct 1984 | Rotherham | 1 | 1 | Slight |
| Thu 25 Oct 1984 | Barnsley | 3 | 3 | Slight |
| Sat 27 Oct 1984 | Rotherham | 2 | 1 | Slight |
| Wed 31 Oct 1984 | Oldham | 3 | 1 | Slight |
| Fri 2 Nov 1984 | Rotherham | 2 | 2 | Slight |
| Fri 9 Nov 1984 | Barnsley | 1 | 1 | Slight |
| Fri 9 Nov 1984 | Barnsley | 1 | 1 | Serious |
| Sat 10 Nov 1984 | Barnsley | 1 | 1 | Slight |
| Tue 13 Nov 1984 | Barnsley | 2 | 2 | Slight |
| Sun 18 Nov 1984 | Barnsley | 2 | 1 | Slight |
| Wed 21 Nov 1984 | Barnsley | 2 | 1 | Serious |
| Thu 22 Nov 1984 | Rotherham | 1 | 1 | Slight |
| Thu 22 Nov 1984 | Barnsley | 2 | 1 | Serious |
| Thu 22 Nov 1984 | Barnsley | 2 | 1 | Serious |
| Fri 23 Nov 1984 | Rotherham | 2 | 1 | Slight |
| Wed 28 Nov 1984 | Rotherham | 2 | 1 | Slight |
| Sat 8 Dec 1984 | Barnsley | 1 | 1 | Slight |
| Sat 8 Dec 1984 | Barnsley | 1 | 1 | Slight |
| Sun 9 Dec 1984 | Rotherham | 3 | 2 | Slight |
| Fri 14 Dec 1984 | Rotherham | 2 | 1 | Slight |
| Fri 14 Dec 1984 | Barnsley | 1 | 1 | Serious |
| Sat 15 Dec 1984 | Rotherham | 2 | 2 | Slight |
| Tue 18 Dec 1984 | Rotherham | 4 | 1 | Serious |
| Tue 18 Dec 1984 | Oldham | 1 | 2 | Serious |
| Fri 21 Dec 1984 | Rotherham | 1 | 1 | Serious |
| Sat 22 Dec 1984 | Barnsley | 3 | 3 | Fatal |
| Sun 23 Dec 1984 | Barnsley | 2 | 1 | Slight |
| Fri 28 Dec 1984 | Barnsley | 1 | 1 | Slight |