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