Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Wed 13 Jan 1999 | Harrow | 1 | 1 | Slight |
| Thu 11 Feb 1999 | Harrow | 2 | 1 | Slight |
| Thu 11 Mar 1999 | Harrow | 1 | 1 | Slight |
| Wed 17 Mar 1999 | Harrow | 1 | 2 | Slight |
| Thu 1 Apr 1999 | Harrow | 2 | 1 | Slight |
| Thu 1 Apr 1999 | Harrow | 1 | 1 | Serious |
| Sat 1 May 1999 | Harrow | 2 | 1 | Slight |
| Fri 7 May 1999 | Barnet | 3 | 2 | Serious |
| Mon 10 May 1999 | Harrow | 1 | 1 | Serious |
| Sat 29 May 1999 | Harrow | 2 | 1 | Slight |
| Thu 22 Jul 1999 | Harrow | 2 | 1 | Slight |
| Thu 29 Jul 1999 | Harrow | 1 | 1 | Serious |
| Sat 31 Jul 1999 | Barnet | 1 | 1 | Slight |
| Sat 31 Jul 1999 | Barnet | 2 | 4 | Slight |
| Thu 2 Sep 1999 | Barnet | 2 | 1 | Slight |
| Fri 5 Nov 1999 | Barnet | 2 | 1 | Slight |
| Thu 11 Nov 1999 | Harrow | 1 | 1 | Fatal |
| Fri 3 Dec 1999 | Barnet | 1 | 1 | Slight |
| Tue 14 Dec 1999 | Barnet | 1 | 1 | Slight |
| Sun 19 Dec 1999 | Barnet | 2 | 1 | Slight |
| Thu 23 Dec 1999 | Barnet | 2 | 2 | Slight |