Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Wed 3 Mar 1999 | Wellingborough | 1 | 1 | Slight |
| Wed 10 Mar 1999 | East Northamptonshire | 1 | 1 | Slight |
| Wed 17 Mar 1999 | East Northamptonshire | 2 | 1 | Slight |
| Sat 29 May 1999 | Wellingborough | 2 | 1 | Serious |
| Thu 3 Jun 1999 | East Northamptonshire | 2 | 1 | Slight |
| Mon 14 Jun 1999 | East Northamptonshire | 1 | 1 | Serious |
| Sat 24 Jul 1999 | East Northamptonshire | 2 | 1 | Slight |
| Thu 16 Sep 1999 | Wellingborough | 2 | 3 | Serious |
| Sat 25 Sep 1999 | Wellingborough | 2 | 1 | Slight |
| Wed 22 Dec 1999 | East Northamptonshire | 2 | 1 | Slight |