Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Tue 12 Jan 1999 | Kirklees | 1 | 1 | Slight |
| Tue 12 Jan 1999 | Kirklees | 2 | 1 | Slight |
| Tue 26 Jan 1999 | Barnsley | 3 | 1 | Slight |
| Tue 9 Mar 1999 | Barnsley | 2 | 1 | Slight |
| Tue 16 Mar 1999 | Barnsley | 2 | 2 | Slight |
| Fri 19 Mar 1999 | Barnsley | 2 | 2 | Slight |
| Sun 28 Mar 1999 | Barnsley | 3 | 1 | Slight |
| Thu 6 May 1999 | Barnsley | 2 | 1 | Slight |
| Sat 15 May 1999 | Wakefield | 2 | 2 | Slight |
| Mon 17 May 1999 | Barnsley | 2 | 1 | Slight |
| Mon 24 May 1999 | Kirklees | 1 | 1 | Slight |
| Tue 22 Jun 1999 | Wakefield | 1 | 1 | Serious |
| Fri 25 Jun 1999 | Wakefield | 3 | 3 | Slight |
| Mon 28 Jun 1999 | Wakefield | 2 | 1 | Slight |
| Thu 22 Jul 1999 | Barnsley | 2 | 1 | Slight |
| Tue 10 Aug 1999 | Wakefield | 2 | 1 | Slight |
| Sat 14 Aug 1999 | Kirklees | 1 | 1 | Slight |
| Thu 19 Aug 1999 | Barnsley | 2 | 1 | Slight |
| Thu 2 Sep 1999 | Kirklees | 1 | 1 | Slight |
| Wed 8 Sep 1999 | Barnsley | 2 | 1 | Slight |
| Thu 9 Sep 1999 | Wakefield | 3 | 4 | Slight |
| Fri 8 Oct 1999 | Wakefield | 1 | 3 | Serious |
| Wed 13 Oct 1999 | Kirklees | 1 | 1 | Slight |
| Tue 2 Nov 1999 | Kirklees | 3 | 1 | Slight |
| Tue 2 Nov 1999 | Kirklees | 2 | 2 | Slight |
| Tue 2 Nov 1999 | Kirklees | 3 | 1 | Slight |
| Fri 5 Nov 1999 | Barnsley | 2 | 1 | Slight |
| Mon 15 Nov 1999 | Wakefield | 2 | 2 | Slight |
| Fri 19 Nov 1999 | Barnsley | 2 | 1 | Slight |
| Tue 23 Nov 1999 | Wakefield | 2 | 4 | Serious |
| Tue 7 Dec 1999 | Barnsley | 1 | 1 | Slight |
| Thu 9 Dec 1999 | Barnsley | 2 | 1 | Slight |
| Sun 19 Dec 1999 | Wakefield | 2 | 1 | Slight |
| Sun 19 Dec 1999 | Barnsley | 2 | 1 | Slight |