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