Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Tue 20 Apr 1999 | Welwyn Hatfield | 1 | 1 | Serious |
| Fri 30 Apr 1999 | Welwyn Hatfield | 1 | 1 | Slight |
| Mon 10 May 1999 | Welwyn Hatfield | 2 | 1 | Slight |
| Mon 21 Jun 1999 | Welwyn Hatfield | 2 | 2 | Slight |
| Tue 27 Jul 1999 | Welwyn Hatfield | 2 | 1 | Serious |
| Tue 31 Aug 1999 | Hertsmere | 2 | 1 | Slight |
| Mon 27 Dec 1999 | Milton Keynes | 1 | 1 | Slight |