Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Fri 1 Jan 1999 | Brent | 2 | 1 | Slight |
| Sat 9 Jan 1999 | Brent | 2 | 4 | Slight |
| Wed 13 Jan 1999 | Brent | 1 | 1 | Slight |
| Thu 14 Jan 1999 | Brent | 2 | 1 | Slight |
| Fri 15 Jan 1999 | Brent | 1 | 1 | Slight |
| Sat 16 Jan 1999 | Brent | 2 | 1 | Slight |
| Sat 16 Jan 1999 | Brent | 2 | 1 | Slight |
| Sun 17 Jan 1999 | Brent | 2 | 2 | Slight |
| Tue 19 Jan 1999 | Brent | 1 | 1 | Slight |
| Fri 29 Jan 1999 | Barnet | 2 | 1 | Slight |
| Sun 31 Jan 1999 | Barnet | 2 | 1 | Slight |
| Sun 7 Feb 1999 | Brent | 1 | 1 | Serious |
| Mon 8 Feb 1999 | Brent | 2 | 1 | Slight |
| Mon 8 Feb 1999 | Barnet | 2 | 1 | Slight |
| Thu 11 Feb 1999 | Brent | 1 | 1 | Slight |
| Sun 14 Feb 1999 | Brent | 2 | 1 | Serious |
| Sun 14 Feb 1999 | Brent | 2 | 1 | Serious |
| Thu 18 Feb 1999 | Brent | 3 | 1 | Slight |
| Tue 23 Feb 1999 | Brent | 1 | 1 | Slight |
| Fri 26 Feb 1999 | Brent | 2 | 1 | Slight |
| Sun 28 Feb 1999 | Brent | 1 | 1 | Slight |
| Mon 8 Mar 1999 | Brent | 1 | 1 | Slight |
| Mon 15 Mar 1999 | Brent | 1 | 1 | Slight |
| Fri 19 Mar 1999 | Brent | 2 | 1 | Slight |
| Mon 29 Mar 1999 | Brent | 1 | 1 | Slight |
| Wed 7 Apr 1999 | Barnet | 2 | 1 | Slight |
| Thu 8 Apr 1999 | Brent | 1 | 1 | Slight |
| Thu 8 Apr 1999 | Brent | 1 | 1 | Slight |
| Mon 12 Apr 1999 | Brent | 1 | 1 | Slight |
| Mon 12 Apr 1999 | Brent | 2 | 2 | Slight |
| Mon 12 Apr 1999 | Brent | 2 | 2 | Slight |
| Tue 13 Apr 1999 | Brent | 1 | 1 | Slight |
| Sun 18 Apr 1999 | Barnet | 3 | 2 | Slight |
| Tue 20 Apr 1999 | Brent | 2 | 1 | Slight |
| Tue 20 Apr 1999 | Brent | 2 | 1 | Slight |
| Tue 20 Apr 1999 | Brent | 2 | 1 | Slight |
| Tue 20 Apr 1999 | Barnet | 2 | 1 | Slight |
| Thu 29 Apr 1999 | Brent | 1 | 1 | Slight |
| Sat 1 May 1999 | Brent | 1 | 1 | Slight |
| Mon 3 May 1999 | Brent | 2 | 1 | Slight |
| Tue 11 May 1999 | Brent | 1 | 1 | Slight |
| Tue 11 May 1999 | Brent | 1 | 1 | Slight |
| Thu 13 May 1999 | Barnet | 2 | 2 | Slight |
| Fri 14 May 1999 | Barnet | 2 | 1 | Slight |
| Fri 14 May 1999 | Barnet | 2 | 1 | Slight |
| Sat 15 May 1999 | Brent | 2 | 1 | Slight |
| Sat 15 May 1999 | Brent | 1 | 1 | Slight |
| Fri 21 May 1999 | Brent | 2 | 1 | Slight |
| Mon 24 May 1999 | Brent | 1 | 1 | Slight |
| Tue 25 May 1999 | Brent | 1 | 1 | Slight |
| Wed 26 May 1999 | Brent | 2 | 1 | Slight |
| Thu 27 May 1999 | Brent | 1 | 1 | Slight |
| Thu 27 May 1999 | Barnet | 2 | 1 | Slight |
| Sat 29 May 1999 | Brent | 2 | 1 | Slight |
| Sat 29 May 1999 | Brent | 2 | 1 | Slight |
| Sat 29 May 1999 | Brent | 1 | 1 | Slight |
| Sat 29 May 1999 | Brent | 1 | 1 | Slight |
| Fri 4 Jun 1999 | Brent | 1 | 1 | Slight |
| Mon 7 Jun 1999 | Barnet | 1 | 1 | Slight |
| Fri 11 Jun 1999 | Brent | 1 | 2 | Slight |
| Sat 12 Jun 1999 | Brent | 2 | 2 | Slight |
| Sun 13 Jun 1999 | Brent | 1 | 1 | Fatal |
| Sun 20 Jun 1999 | Brent | 2 | 4 | Slight |
| Sun 20 Jun 1999 | Brent | 2 | 4 | Slight |
| Wed 23 Jun 1999 | Brent | 2 | 1 | Serious |
| Fri 25 Jun 1999 | Brent | 2 | 2 | Slight |
| Wed 30 Jun 1999 | Barnet | 1 | 1 | Serious |
| Fri 9 Jul 1999 | Brent | 1 | 1 | Serious |
| Mon 12 Jul 1999 | Brent | 2 | 1 | Serious |
| Mon 12 Jul 1999 | Brent | 2 | 1 | Serious |
| Wed 21 Jul 1999 | Brent | 2 | 1 | Slight |
| Fri 23 Jul 1999 | Barnet | 2 | 1 | Slight |
| Sat 24 Jul 1999 | Brent | 2 | 1 | Slight |
| Tue 27 Jul 1999 | Barnet | 1 | 1 | Slight |
| Wed 28 Jul 1999 | Brent | 1 | 1 | Slight |
| Sat 31 Jul 1999 | Brent | 1 | 1 | Slight |
| Mon 16 Aug 1999 | Brent | 2 | 1 | Slight |
| Fri 20 Aug 1999 | Barnet | 2 | 1 | Slight |
| Fri 20 Aug 1999 | Barnet | 2 | 1 | Slight |
| Sun 22 Aug 1999 | Brent | 1 | 1 | Serious |
| Sun 29 Aug 1999 | Barnet | 2 | 4 | Slight |
| Wed 1 Sep 1999 | Brent | 1 | 4 | Slight |
| Fri 3 Sep 1999 | Barnet | 2 | 1 | Slight |
| Sat 18 Sep 1999 | Brent | 2 | 2 | Serious |
| Mon 20 Sep 1999 | Brent | 2 | 1 | Slight |
| Fri 24 Sep 1999 | Brent | 2 | 1 | Serious |
| Fri 24 Sep 1999 | Brent | 2 | 1 | Slight |
| Sat 25 Sep 1999 | Brent | 2 | 2 | Slight |
| Sun 26 Sep 1999 | Brent | 2 | 1 | Slight |
| Wed 29 Sep 1999 | Brent | 3 | 1 | Serious |
| Sat 9 Oct 1999 | Barnet | 2 | 1 | Slight |
| Tue 12 Oct 1999 | Brent | 4 | 1 | Slight |
| Thu 14 Oct 1999 | Brent | 2 | 2 | Slight |
| Sun 17 Oct 1999 | Brent | 2 | 1 | Serious |
| Fri 22 Oct 1999 | Brent | 2 | 2 | Slight |
| Thu 28 Oct 1999 | Brent | 2 | 1 | Slight |
| Sat 30 Oct 1999 | Brent | 2 | 1 | Slight |
| Sat 30 Oct 1999 | Brent | 2 | 1 | Slight |
| Fri 5 Nov 1999 | Brent | 2 | 1 | Slight |
| Fri 5 Nov 1999 | Brent | 2 | 1 | Slight |
| Sat 13 Nov 1999 | Brent | 2 | 1 | Slight |
| Thu 18 Nov 1999 | Barnet | 2 | 1 | Slight |
| Thu 18 Nov 1999 | Brent | 2 | 1 | Slight |
| Mon 22 Nov 1999 | Brent | 1 | 1 | Slight |
| Wed 24 Nov 1999 | Barnet | 2 | 1 | Slight |
| Mon 29 Nov 1999 | Brent | 2 | 1 | Slight |
| Thu 2 Dec 1999 | Brent | 2 | 1 | Slight |
| Fri 3 Dec 1999 | Brent | 1 | 1 | Serious |
| Mon 6 Dec 1999 | Brent | 1 | 1 | Slight |
| Tue 7 Dec 1999 | Barnet | 3 | 1 | Slight |
| Wed 8 Dec 1999 | Brent | 2 | 1 | Slight |
| Wed 8 Dec 1999 | Brent | 2 | 1 | Slight |
| Sat 11 Dec 1999 | Barnet | 2 | 1 | Slight |
| Sun 12 Dec 1999 | Brent | 2 | 1 | Slight |
| Mon 13 Dec 1999 | Brent | 2 | 1 | Slight |
| Thu 16 Dec 1999 | Barnet | 2 | 1 | Slight |
| Thu 23 Dec 1999 | Brent | 2 | 2 | Slight |
| Thu 23 Dec 1999 | Brent | 2 | 2 | Slight |
| Sat 25 Dec 1999 | Barnet | 2 | 1 | Slight |
| Sun 26 Dec 1999 | Brent | 2 | 1 | Slight |
| Mon 27 Dec 1999 | Barnet | 2 | 1 | Slight |