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