Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Sun 3 Jan 1999 | Barnsley | 2 | 1 | Slight |
| Wed 6 Jan 1999 | Rotherham | 1 | 2 | Slight |
| Tue 12 Jan 1999 | Rotherham | 1 | 1 | Slight |
| Wed 13 Jan 1999 | Rotherham | 2 | 1 | Slight |
| Tue 19 Jan 1999 | Rotherham | 2 | 1 | Slight |
| Thu 21 Jan 1999 | Barnsley | 2 | 2 | Slight |
| Thu 21 Jan 1999 | Rotherham | 2 | 1 | Slight |
| Sun 31 Jan 1999 | Rotherham | 1 | 3 | Slight |
| Sat 6 Feb 1999 | Rotherham | 1 | 4 | Serious |
| Sat 6 Feb 1999 | Rotherham | 1 | 1 | Serious |
| Fri 12 Feb 1999 | Barnsley | 2 | 1 | Slight |
| Mon 1 Mar 1999 | Rotherham | 2 | 1 | Slight |
| Mon 1 Mar 1999 | Rotherham | 2 | 1 | Slight |
| Mon 1 Mar 1999 | Rotherham | 2 | 1 | Slight |
| Sat 6 Mar 1999 | Rotherham | 2 | 4 | Serious |
| Fri 12 Mar 1999 | Barnsley | 3 | 3 | Slight |
| Sun 14 Mar 1999 | Rotherham | 2 | 2 | Slight |
| Sun 14 Mar 1999 | Barnsley | 2 | 1 | Slight |
| Thu 18 Mar 1999 | Barnsley | 3 | 1 | Slight |
| Fri 19 Mar 1999 | Barnsley | 2 | 1 | Slight |
| Fri 19 Mar 1999 | Barnsley | 1 | 1 | Slight |
| Tue 23 Mar 1999 | Rotherham | 1 | 1 | Slight |
| Thu 25 Mar 1999 | Rotherham | 3 | 2 | Slight |
| Wed 31 Mar 1999 | Rotherham | 2 | 1 | Slight |
| Wed 31 Mar 1999 | Rotherham | 2 | 1 | Slight |
| Sat 3 Apr 1999 | Rotherham | 4 | 1 | Slight |
| Wed 14 Apr 1999 | Barnsley | 2 | 1 | Slight |
| Sat 17 Apr 1999 | Barnsley | 2 | 2 | Slight |
| Mon 19 Apr 1999 | Barnsley | 2 | 1 | Serious |
| Tue 20 Apr 1999 | Rotherham | 2 | 1 | Slight |
| Tue 20 Apr 1999 | Rotherham | 2 | 1 | Slight |
| Fri 4 Jun 1999 | Barnsley | 2 | 1 | Slight |
| Mon 14 Jun 1999 | Barnsley | 2 | 1 | Serious |
| Thu 17 Jun 1999 | Rotherham | 3 | 1 | Slight |
| Thu 17 Jun 1999 | Rotherham | 3 | 1 | Slight |
| Tue 22 Jun 1999 | Barnsley | 1 | 1 | Slight |
| Sun 27 Jun 1999 | Rotherham | 1 | 3 | Slight |
| Sun 27 Jun 1999 | Barnsley | 2 | 2 | Slight |
| Tue 29 Jun 1999 | Rotherham | 1 | 1 | Slight |
| Tue 6 Jul 1999 | Rotherham | 2 | 1 | Slight |
| Tue 6 Jul 1999 | Rotherham | 2 | 1 | Slight |
| Thu 8 Jul 1999 | Rotherham | 2 | 1 | Slight |
| Fri 9 Jul 1999 | Rotherham | 2 | 1 | Slight |
| Sat 17 Jul 1999 | Barnsley | 3 | 2 | Slight |
| Sun 18 Jul 1999 | Barnsley | 2 | 1 | Slight |
| Mon 19 Jul 1999 | Rotherham | 1 | 1 | Slight |
| Mon 19 Jul 1999 | Barnsley | 2 | 1 | Slight |
| Tue 20 Jul 1999 | Barnsley | 2 | 1 | Slight |
| Mon 26 Jul 1999 | Rotherham | 2 | 1 | Slight |
| Wed 28 Jul 1999 | Rotherham | 1 | 1 | Slight |
| Wed 28 Jul 1999 | Rotherham | 1 | 1 | Slight |
| Sun 1 Aug 1999 | Oldham | 2 | 1 | Slight |
| Thu 5 Aug 1999 | Rotherham | 3 | 4 | Slight |
| Fri 6 Aug 1999 | Barnsley | 2 | 1 | Slight |
| Tue 10 Aug 1999 | Rotherham | 2 | 2 | Slight |
| Tue 10 Aug 1999 | Rotherham | 2 | 1 | Slight |
| Tue 17 Aug 1999 | Barnsley | 2 | 1 | Slight |
| Thu 19 Aug 1999 | Rotherham | 2 | 3 | Slight |
| Thu 19 Aug 1999 | Barnsley | 2 | 1 | Slight |
| Sat 21 Aug 1999 | Rotherham | 2 | 2 | Slight |
| Tue 24 Aug 1999 | Rotherham | 2 | 3 | Slight |
| Tue 24 Aug 1999 | Rotherham | 2 | 1 | Slight |
| Wed 25 Aug 1999 | Rotherham | 2 | 1 | Slight |
| Thu 9 Sep 1999 | Rotherham | 2 | 2 | Slight |
| Mon 13 Sep 1999 | Rotherham | 1 | 1 | Slight |
| Fri 17 Sep 1999 | Rotherham | 2 | 1 | Slight |
| Mon 20 Sep 1999 | Barnsley | 2 | 1 | Slight |
| Fri 24 Sep 1999 | Barnsley | 1 | 1 | Slight |
| Sat 25 Sep 1999 | Rotherham | 2 | 1 | Slight |
| Mon 27 Sep 1999 | Barnsley | 2 | 1 | Slight |
| Tue 28 Sep 1999 | Rotherham | 1 | 1 | Slight |
| Wed 29 Sep 1999 | Rotherham | 2 | 1 | Slight |
| Thu 30 Sep 1999 | Rotherham | 2 | 3 | Serious |
| Mon 4 Oct 1999 | Rotherham | 1 | 1 | Slight |
| Mon 4 Oct 1999 | Barnsley | 1 | 1 | Slight |
| Tue 12 Oct 1999 | Barnsley | 2 | 1 | Serious |
| Fri 15 Oct 1999 | Rotherham | 2 | 1 | Slight |
| Wed 20 Oct 1999 | Rotherham | 1 | 1 | Serious |
| Wed 20 Oct 1999 | Rotherham | 2 | 2 | Slight |
| Thu 21 Oct 1999 | Rotherham | 2 | 1 | Slight |
| Thu 4 Nov 1999 | Rotherham | 2 | 1 | Slight |
| Thu 4 Nov 1999 | Rotherham | 1 | 1 | Slight |
| Fri 5 Nov 1999 | Rotherham | 2 | 1 | Slight |
| Fri 5 Nov 1999 | Rotherham | 2 | 1 | Slight |
| Sun 7 Nov 1999 | Barnsley | 3 | 2 | Serious |
| Sun 7 Nov 1999 | Rotherham | 2 | 1 | Slight |
| Fri 12 Nov 1999 | Barnsley | 3 | 1 | Slight |
| Sun 14 Nov 1999 | Barnsley | 2 | 1 | Slight |
| Thu 18 Nov 1999 | Rotherham | 2 | 2 | Slight |
| Thu 18 Nov 1999 | Rotherham | 1 | 1 | Slight |
| Sat 20 Nov 1999 | Barnsley | 2 | 2 | Slight |
| Sun 21 Nov 1999 | Barnsley | 2 | 2 | Slight |
| Mon 22 Nov 1999 | Rotherham | 2 | 1 | Slight |
| Mon 22 Nov 1999 | Rotherham | 2 | 2 | Slight |
| Mon 22 Nov 1999 | Rotherham | 2 | 2 | Slight |
| Fri 26 Nov 1999 | Barnsley | 2 | 2 | Slight |
| Mon 29 Nov 1999 | Rotherham | 1 | 1 | Slight |
| Sat 4 Dec 1999 | Rotherham | 2 | 1 | Slight |
| Sat 4 Dec 1999 | Rotherham | 2 | 1 | Slight |
| Sun 5 Dec 1999 | Rotherham | 2 | 1 | Slight |
| Thu 9 Dec 1999 | Rotherham | 2 | 1 | Slight |
| Fri 10 Dec 1999 | Rotherham | 1 | 1 | Slight |
| Sat 11 Dec 1999 | Barnsley | 2 | 1 | Slight |
| Mon 13 Dec 1999 | Barnsley | 2 | 1 | Slight |
| Thu 16 Dec 1999 | Barnsley | 1 | 1 | Serious |
| Fri 24 Dec 1999 | Rotherham | 1 | 1 | Slight |
| Thu 30 Dec 1999 | Rotherham | 2 | 1 | Slight |