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