Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Tue 12 Jan 1999 | Hillingdon | 2 | 1 | Slight |
| Fri 15 Jan 1999 | Hillingdon | 2 | 1 | Slight |
| Mon 25 Jan 1999 | Hillingdon | 1 | 1 | Serious |
| Tue 23 Feb 1999 | Hillingdon | 2 | 1 | Slight |
| Wed 17 Mar 1999 | Hillingdon | 2 | 1 | Slight |
| Sun 21 Mar 1999 | Hillingdon | 2 | 1 | Slight |
| Mon 22 Mar 1999 | Hillingdon | 1 | 2 | Serious |
| Thu 15 Apr 1999 | Hillingdon | 1 | 2 | Slight |
| Mon 19 Apr 1999 | Hillingdon | 2 | 1 | Slight |
| Fri 16 Jul 1999 | Hillingdon | 2 | 1 | Slight |
| Wed 28 Jul 1999 | Hillingdon | 1 | 1 | Serious |
| Tue 24 Aug 1999 | Hillingdon | 2 | 1 | Slight |
| Mon 13 Sep 1999 | Hillingdon | 1 | 1 | Serious |
| Wed 15 Sep 1999 | Hillingdon | 2 | 1 | Slight |
| Fri 1 Oct 1999 | Hillingdon | 1 | 1 | Slight |
| Fri 5 Nov 1999 | Hillingdon | 1 | 1 | Slight |
| Fri 24 Dec 1999 | Bolton | 2 | 2 | Slight |