Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Mon 4 Jan 1999 | Brent | 1 | 1 | Slight |
| Wed 6 Jan 1999 | Ealing | 2 | 1 | Slight |
| Fri 8 Jan 1999 | Ealing | 2 | 1 | Slight |
| Mon 11 Jan 1999 | Brent | 2 | 1 | Slight |
| Mon 18 Jan 1999 | Ealing | 2 | 1 | Slight |
| Sat 30 Jan 1999 | Ealing | 1 | 1 | Slight |
| Wed 3 Feb 1999 | Ealing | 3 | 1 | Serious |
| Fri 5 Feb 1999 | Ealing | 2 | 1 | Slight |
| Fri 5 Feb 1999 | Ealing | 2 | 1 | Slight |
| Sat 6 Feb 1999 | Ealing | 1 | 1 | Slight |
| Wed 10 Feb 1999 | Ealing | 2 | 3 | Slight |
| Thu 11 Feb 1999 | Ealing | 2 | 2 | Slight |
| Fri 12 Feb 1999 | Ealing | 2 | 2 | Slight |
| Sat 13 Feb 1999 | Brent | 2 | 1 | Slight |
| Sat 13 Feb 1999 | Brent | 2 | 1 | Slight |
| Sun 14 Feb 1999 | Ealing | 2 | 1 | Slight |
| Mon 15 Feb 1999 | Ealing | 2 | 1 | Slight |
| Mon 15 Feb 1999 | Brent | 1 | 1 | Serious |
| Mon 15 Feb 1999 | Brent | 1 | 1 | Serious |
| Wed 17 Feb 1999 | Ealing | 2 | 1 | Serious |
| Wed 24 Feb 1999 | Ealing | 2 | 1 | Slight |
| Fri 26 Feb 1999 | Ealing | 2 | 1 | Slight |
| Mon 1 Mar 1999 | Brent | 1 | 1 | Slight |
| Mon 1 Mar 1999 | Brent | 2 | 2 | Slight |
| Mon 1 Mar 1999 | Brent | 2 | 2 | Slight |
| Wed 10 Mar 1999 | Ealing | 2 | 1 | Slight |
| Sat 13 Mar 1999 | Ealing | 2 | 1 | Slight |
| Sat 13 Mar 1999 | Ealing | 2 | 1 | Slight |
| Wed 17 Mar 1999 | Ealing | 1 | 2 | Slight |
| Thu 18 Mar 1999 | Brent | 1 | 1 | Slight |
| Thu 18 Mar 1999 | Brent | 1 | 1 | Slight |
| Thu 18 Mar 1999 | Ealing | 2 | 1 | Slight |
| Thu 18 Mar 1999 | Ealing | 2 | 1 | Slight |
| Fri 19 Mar 1999 | Ealing | 1 | 1 | Slight |
| Thu 25 Mar 1999 | Ealing | 2 | 1 | Slight |
| Fri 26 Mar 1999 | Brent | 2 | 3 | Slight |
| Tue 30 Mar 1999 | Ealing | 2 | 2 | Serious |
| Wed 7 Apr 1999 | Ealing | 1 | 1 | Slight |
| Thu 8 Apr 1999 | Brent | 1 | 1 | Slight |
| Tue 13 Apr 1999 | Ealing | 2 | 1 | Serious |
| Sat 24 Apr 1999 | Ealing | 1 | 1 | Slight |
| Fri 30 Apr 1999 | Ealing | 1 | 1 | Serious |
| Fri 30 Apr 1999 | Ealing | 2 | 1 | Slight |
| Fri 30 Apr 1999 | Ealing | 1 | 1 | Serious |
| Fri 14 May 1999 | Ealing | 2 | 1 | Slight |
| Fri 21 May 1999 | Ealing | 2 | 2 | Slight |
| Sun 23 May 1999 | Ealing | 2 | 2 | Slight |
| Tue 25 May 1999 | Brent | 3 | 1 | Slight |
| Wed 26 May 1999 | Brent | 2 | 1 | Slight |
| Wed 26 May 1999 | Ealing | 2 | 1 | Slight |
| Sat 29 May 1999 | Ealing | 2 | 1 | Slight |
| Sun 30 May 1999 | Ealing | 1 | 1 | Slight |
| Mon 31 May 1999 | Ealing | 1 | 1 | Serious |
| Wed 2 Jun 1999 | Ealing | 1 | 1 | Slight |
| Sat 5 Jun 1999 | Ealing | 2 | 1 | Slight |
| Sat 5 Jun 1999 | Ealing | 1 | 1 | Slight |
| Sun 6 Jun 1999 | Ealing | 2 | 5 | Slight |
| Mon 7 Jun 1999 | Ealing | 2 | 2 | Slight |
| Tue 15 Jun 1999 | Brent | 1 | 1 | Slight |
| Tue 15 Jun 1999 | Ealing | 3 | 3 | Slight |
| Sat 19 Jun 1999 | Brent | 1 | 2 | Slight |
| Tue 22 Jun 1999 | Brent | 1 | 1 | Slight |
| Fri 25 Jun 1999 | Brent | 2 | 1 | Slight |
| Fri 25 Jun 1999 | Brent | 1 | 1 | Slight |
| Mon 28 Jun 1999 | Brent | 2 | 1 | Slight |
| Mon 28 Jun 1999 | Brent | 2 | 1 | Slight |
| Sat 3 Jul 1999 | Ealing | 1 | 1 | Serious |
| Sun 11 Jul 1999 | Ealing | 2 | 1 | Slight |
| Sat 17 Jul 1999 | Ealing | 2 | 1 | Slight |
| Mon 19 Jul 1999 | Ealing | 1 | 1 | Slight |
| Sat 24 Jul 1999 | Brent | 2 | 2 | Slight |
| Sat 24 Jul 1999 | Brent | 2 | 2 | Slight |
| Tue 27 Jul 1999 | Brent | 1 | 1 | Slight |
| Fri 30 Jul 1999 | Ealing | 1 | 1 | Slight |
| Thu 19 Aug 1999 | Ealing | 2 | 1 | Slight |
| Sat 21 Aug 1999 | Ealing | 3 | 1 | Slight |
| Sun 22 Aug 1999 | Ealing | 1 | 1 | Slight |
| Mon 23 Aug 1999 | Ealing | 4 | 2 | Serious |
| Wed 25 Aug 1999 | Ealing | 2 | 1 | Slight |
| Fri 27 Aug 1999 | Ealing | 2 | 1 | Slight |
| Mon 30 Aug 1999 | Ealing | 2 | 1 | Slight |
| Fri 3 Sep 1999 | Ealing | 1 | 1 | Slight |
| Fri 3 Sep 1999 | Ealing | 1 | 1 | Slight |
| Mon 6 Sep 1999 | Ealing | 2 | 1 | Slight |
| Sat 11 Sep 1999 | Ealing | 3 | 2 | Slight |
| Fri 17 Sep 1999 | Ealing | 2 | 1 | Slight |
| Sat 18 Sep 1999 | Ealing | 2 | 1 | Slight |
| Sun 26 Sep 1999 | Ealing | 2 | 1 | Slight |
| Thu 30 Sep 1999 | Ealing | 3 | 1 | Serious |
| Fri 1 Oct 1999 | Ealing | 1 | 1 | Slight |
| Fri 1 Oct 1999 | Ealing | 3 | 3 | Slight |
| Thu 7 Oct 1999 | Brent | 2 | 1 | Slight |
| Thu 7 Oct 1999 | Brent | 2 | 1 | Slight |
| Thu 7 Oct 1999 | Ealing | 1 | 1 | Slight |
| Thu 7 Oct 1999 | Ealing | 2 | 1 | Slight |
| Fri 8 Oct 1999 | Ealing | 2 | 1 | Fatal |
| Sat 9 Oct 1999 | Ealing | 2 | 1 | Slight |
| Mon 25 Oct 1999 | Ealing | 2 | 1 | Slight |
| Tue 26 Oct 1999 | Ealing | 2 | 1 | Slight |
| Sat 30 Oct 1999 | Ealing | 2 | 1 | Slight |
| Tue 2 Nov 1999 | Ealing | 2 | 1 | Slight |
| Wed 3 Nov 1999 | Ealing | 1 | 1 | Serious |
| Thu 4 Nov 1999 | Ealing | 2 | 1 | Slight |
| Fri 5 Nov 1999 | Brent | 2 | 2 | Serious |
| Sat 13 Nov 1999 | Ealing | 2 | 1 | Slight |
| Sat 13 Nov 1999 | Ealing | 2 | 1 | Slight |
| Sat 13 Nov 1999 | Ealing | 3 | 1 | Slight |
| Sun 14 Nov 1999 | Ealing | 1 | 1 | Slight |
| Wed 17 Nov 1999 | Ealing | 2 | 1 | Slight |
| Thu 18 Nov 1999 | Ealing | 2 | 1 | Slight |
| Sat 20 Nov 1999 | Ealing | 2 | 1 | Slight |
| Sat 20 Nov 1999 | Ealing | 2 | 1 | Slight |
| Sat 20 Nov 1999 | Ealing | 2 | 1 | Slight |
| Mon 22 Nov 1999 | Ealing | 2 | 1 | Slight |
| Wed 24 Nov 1999 | Brent | 1 | 1 | Slight |
| Wed 24 Nov 1999 | Ealing | 2 | 1 | Slight |
| Fri 26 Nov 1999 | Ealing | 1 | 1 | Slight |
| Wed 1 Dec 1999 | Ealing | 2 | 3 | Serious |
| Wed 1 Dec 1999 | Ealing | 2 | 1 | Slight |
| Thu 2 Dec 1999 | Ealing | 1 | 1 | Slight |
| Sun 5 Dec 1999 | Ealing | 2 | 2 | Slight |
| Tue 7 Dec 1999 | Brent | 2 | 1 | Slight |
| Sat 11 Dec 1999 | Ealing | 2 | 2 | Slight |
| Thu 16 Dec 1999 | Ealing | 2 | 1 | Slight |
| Thu 16 Dec 1999 | Ealing | 2 | 1 | Slight |
| Thu 16 Dec 1999 | Ealing | 2 | 1 | Slight |
| Mon 20 Dec 1999 | Ealing | 1 | 1 | Slight |
| Mon 27 Dec 1999 | Ealing | 2 | 2 | Slight |
| Thu 30 Dec 1999 | Brent | 2 | 2 | Slight |