Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Thu 8 Jan 1998 | Richmond upon Thames | 2 | 2 | Slight |
| Thu 8 Jan 1998 | Richmond upon Thames | 3 | 1 | Slight |
| Tue 13 Jan 1998 | Hounslow | 3 | 3 | Slight |
| Tue 13 Jan 1998 | Richmond upon Thames | 2 | 1 | Slight |
| Wed 14 Jan 1998 | Hounslow | 1 | 1 | Slight |
| Tue 20 Jan 1998 | Hounslow | 2 | 1 | Slight |
| Wed 21 Jan 1998 | Hounslow | 2 | 1 | Slight |
| Fri 23 Jan 1998 | Hounslow | 2 | 1 | Slight |
| Tue 27 Jan 1998 | Hounslow | 2 | 1 | Slight |
| Wed 28 Jan 1998 | Hounslow | 1 | 1 | Serious |
| Wed 28 Jan 1998 | Hounslow | 1 | 1 | Serious |
| Thu 29 Jan 1998 | Richmond upon Thames | 2 | 1 | Slight |
| Fri 30 Jan 1998 | Richmond upon Thames | 2 | 1 | Slight |
| Sun 1 Feb 1998 | Hounslow | 2 | 1 | Slight |
| Wed 4 Feb 1998 | Richmond upon Thames | 1 | 1 | Slight |
| Thu 5 Feb 1998 | Richmond upon Thames | 1 | 1 | Slight |
| Thu 5 Feb 1998 | Hounslow | 2 | 1 | Slight |
| Sat 7 Feb 1998 | Hounslow | 2 | 1 | Slight |
| Sat 7 Feb 1998 | Richmond upon Thames | 2 | 2 | Serious |
| Sat 14 Feb 1998 | Richmond upon Thames | 2 | 1 | Slight |
| Mon 16 Feb 1998 | Hounslow | 1 | 1 | Slight |
| Tue 17 Feb 1998 | Hounslow | 2 | 1 | Slight |
| Wed 18 Feb 1998 | Richmond upon Thames | 2 | 2 | Serious |
| Fri 20 Feb 1998 | Richmond upon Thames | 2 | 1 | Slight |
| Sat 21 Feb 1998 | Richmond upon Thames | 4 | 3 | Serious |
| Thu 26 Feb 1998 | Hounslow | 2 | 1 | Slight |
| Sun 1 Mar 1998 | Richmond upon Thames | 2 | 1 | Slight |
| Wed 4 Mar 1998 | Hounslow | 1 | 1 | Slight |
| Thu 5 Mar 1998 | Hounslow | 2 | 1 | Slight |
| Sat 7 Mar 1998 | Hounslow | 3 | 2 | Slight |
| Sat 7 Mar 1998 | Hounslow | 2 | 1 | Slight |
| Tue 10 Mar 1998 | Hounslow | 2 | 1 | Slight |
| Wed 11 Mar 1998 | Hounslow | 2 | 1 | Slight |
| Thu 12 Mar 1998 | Richmond upon Thames | 2 | 3 | Slight |
| Thu 12 Mar 1998 | Richmond upon Thames | 2 | 1 | Slight |
| Mon 16 Mar 1998 | Richmond upon Thames | 2 | 1 | Slight |
| Fri 20 Mar 1998 | Hounslow | 2 | 1 | Slight |
| Sun 22 Mar 1998 | Hounslow | 1 | 1 | Serious |
| Mon 23 Mar 1998 | Hounslow | 2 | 1 | Slight |
| Thu 2 Apr 1998 | Hounslow | 3 | 1 | Slight |
| Thu 2 Apr 1998 | Hounslow | 2 | 1 | Slight |
| Thu 2 Apr 1998 | Richmond upon Thames | 1 | 1 | Serious |
| Sat 4 Apr 1998 | Hounslow | 1 | 1 | Slight |
| Tue 7 Apr 1998 | Richmond upon Thames | 1 | 1 | Slight |
| Tue 7 Apr 1998 | Richmond upon Thames | 1 | 1 | Slight |
| Tue 7 Apr 1998 | Richmond upon Thames | 1 | 1 | Slight |
| Sat 11 Apr 1998 | Richmond upon Thames | 1 | 1 | Slight |
| Tue 14 Apr 1998 | Hounslow | 2 | 1 | Slight |
| Fri 17 Apr 1998 | Richmond upon Thames | 2 | 1 | Slight |
| Sun 19 Apr 1998 | Hounslow | 1 | 1 | Serious |
| Mon 20 Apr 1998 | Hounslow | 2 | 1 | Slight |
| Tue 21 Apr 1998 | Hounslow | 2 | 1 | Serious |
| Mon 27 Apr 1998 | Richmond upon Thames | 2 | 1 | Slight |
| Thu 30 Apr 1998 | Richmond upon Thames | 2 | 1 | Slight |
| Fri 1 May 1998 | Hounslow | 2 | 1 | Slight |
| Fri 1 May 1998 | Richmond upon Thames | 1 | 1 | Slight |
| Sat 2 May 1998 | Richmond upon Thames | 2 | 1 | Slight |
| Mon 4 May 1998 | Richmond upon Thames | 2 | 1 | Slight |
| Fri 8 May 1998 | Hounslow | 3 | 1 | Slight |
| Fri 8 May 1998 | Hounslow | 2 | 1 | Serious |
| Sat 9 May 1998 | Richmond upon Thames | 2 | 1 | Slight |
| Thu 14 May 1998 | Richmond upon Thames | 1 | 1 | Slight |
| Thu 14 May 1998 | Richmond upon Thames | 2 | 1 | Serious |
| Fri 15 May 1998 | Richmond upon Thames | 1 | 1 | Slight |
| Tue 19 May 1998 | Richmond upon Thames | 2 | 1 | Slight |
| Fri 22 May 1998 | Hounslow | 2 | 5 | Serious |
| Fri 22 May 1998 | Richmond upon Thames | 2 | 1 | Slight |
| Mon 25 May 1998 | Richmond upon Thames | 2 | 1 | Slight |
| Thu 28 May 1998 | Spelthorne | 2 | 1 | Slight |
| Sat 30 May 1998 | Richmond upon Thames | 2 | 1 | Slight |
| Tue 2 Jun 1998 | Richmond upon Thames | 1 | 1 | Slight |
| Tue 2 Jun 1998 | Hounslow | 3 | 3 | Serious |
| Tue 2 Jun 1998 | Richmond upon Thames | 1 | 1 | Slight |
| Wed 3 Jun 1998 | Hounslow | 2 | 1 | Serious |
| Thu 11 Jun 1998 | Hounslow | 2 | 1 | Slight |
| Fri 12 Jun 1998 | Richmond upon Thames | 2 | 1 | Slight |
| Sat 13 Jun 1998 | Hounslow | 3 | 3 | Serious |
| Mon 15 Jun 1998 | Hounslow | 2 | 1 | Slight |
| Fri 19 Jun 1998 | Hounslow | 2 | 1 | Slight |
| Sat 20 Jun 1998 | Hounslow | 2 | 2 | Slight |
| Mon 22 Jun 1998 | Richmond upon Thames | 1 | 1 | Slight |
| Wed 1 Jul 1998 | Hounslow | 2 | 1 | Slight |
| Fri 3 Jul 1998 | Hounslow | 2 | 2 | Slight |
| Fri 3 Jul 1998 | Hounslow | 2 | 1 | Slight |
| Sat 4 Jul 1998 | Richmond upon Thames | 2 | 1 | Slight |
| Mon 6 Jul 1998 | Hounslow | 2 | 1 | Slight |
| Wed 8 Jul 1998 | Hounslow | 2 | 1 | Slight |
| Wed 8 Jul 1998 | Hounslow | 1 | 1 | Slight |
| Wed 8 Jul 1998 | Richmond upon Thames | 2 | 1 | Slight |
| Thu 9 Jul 1998 | Richmond upon Thames | 2 | 1 | Serious |
| Mon 13 Jul 1998 | Hounslow | 4 | 2 | Slight |
| Thu 16 Jul 1998 | Hounslow | 2 | 1 | Slight |
| Mon 20 Jul 1998 | Richmond upon Thames | 2 | 1 | Slight |
| Tue 21 Jul 1998 | Hounslow | 2 | 1 | Slight |
| Fri 31 Jul 1998 | Hounslow | 2 | 1 | Fatal |
| Sat 1 Aug 1998 | Hounslow | 1 | 1 | Slight |
| Sat 1 Aug 1998 | Hounslow | 1 | 1 | Slight |
| Mon 3 Aug 1998 | Richmond upon Thames | 2 | 1 | Slight |
| Wed 12 Aug 1998 | Richmond upon Thames | 1 | 1 | Slight |
| Wed 12 Aug 1998 | Richmond upon Thames | 2 | 1 | Slight |
| Thu 13 Aug 1998 | Hounslow | 2 | 3 | Serious |
| Sat 15 Aug 1998 | Hounslow | 3 | 1 | Slight |
| Tue 18 Aug 1998 | Hounslow | 1 | 1 | Slight |
| Tue 18 Aug 1998 | Hounslow | 1 | 1 | Slight |
| Tue 18 Aug 1998 | Richmond upon Thames | 2 | 1 | Slight |
| Thu 20 Aug 1998 | Richmond upon Thames | 2 | 1 | Serious |
| Sat 22 Aug 1998 | Richmond upon Thames | 1 | 2 | Slight |
| Mon 24 Aug 1998 | Richmond upon Thames | 1 | 1 | Slight |
| Fri 28 Aug 1998 | Hounslow | 2 | 1 | Slight |
| Tue 1 Sep 1998 | Spelthorne | 1 | 1 | Slight |
| Wed 2 Sep 1998 | Hounslow | 2 | 1 | Slight |
| Wed 2 Sep 1998 | Richmond upon Thames | 3 | 2 | Slight |
| Wed 2 Sep 1998 | Hounslow | 3 | 2 | Slight |
| Wed 2 Sep 1998 | Hounslow | 3 | 2 | Slight |
| Wed 9 Sep 1998 | Richmond upon Thames | 2 | 1 | Slight |
| Fri 11 Sep 1998 | Hounslow | 1 | 2 | Slight |
| Sun 13 Sep 1998 | Hounslow | 1 | 2 | Slight |
| Sun 13 Sep 1998 | Richmond upon Thames | 2 | 1 | Slight |
| Sat 19 Sep 1998 | Spelthorne | 1 | 1 | Serious |
| Thu 24 Sep 1998 | Richmond upon Thames | 1 | 1 | Serious |
| Sun 27 Sep 1998 | Richmond upon Thames | 2 | 1 | Slight |
| Sun 27 Sep 1998 | Hounslow | 2 | 2 | Slight |
| Mon 28 Sep 1998 | Richmond upon Thames | 1 | 1 | Slight |
| Mon 28 Sep 1998 | Richmond upon Thames | 2 | 1 | Slight |
| Mon 28 Sep 1998 | Richmond upon Thames | 2 | 2 | Serious |
| Mon 5 Oct 1998 | Hounslow | 2 | 1 | Slight |
| Mon 12 Oct 1998 | Richmond upon Thames | 1 | 1 | Slight |
| Wed 14 Oct 1998 | Hounslow | 2 | 1 | Slight |
| Fri 16 Oct 1998 | Richmond upon Thames | 1 | 1 | Slight |
| Sun 18 Oct 1998 | Richmond upon Thames | 1 | 2 | Serious |
| Sun 18 Oct 1998 | Richmond upon Thames | 2 | 1 | Slight |
| Wed 21 Oct 1998 | Hounslow | 2 | 1 | Slight |
| Wed 21 Oct 1998 | Richmond upon Thames | 2 | 1 | Slight |
| Sat 24 Oct 1998 | Hounslow | 2 | 1 | Serious |
| Mon 2 Nov 1998 | Richmond upon Thames | 2 | 1 | Slight |
| Mon 2 Nov 1998 | Spelthorne | 2 | 1 | Slight |
| Wed 4 Nov 1998 | Richmond upon Thames | 2 | 1 | Serious |
| Thu 5 Nov 1998 | Hounslow | 2 | 1 | Slight |
| Thu 5 Nov 1998 | Hounslow | 2 | 1 | Slight |
| Mon 9 Nov 1998 | Spelthorne | 2 | 1 | Slight |
| Wed 11 Nov 1998 | Richmond upon Thames | 2 | 1 | Slight |
| Thu 12 Nov 1998 | Hounslow | 2 | 1 | Slight |
| Fri 13 Nov 1998 | Hounslow | 2 | 1 | Serious |
| Fri 13 Nov 1998 | Richmond upon Thames | 1 | 1 | Slight |
| Sun 15 Nov 1998 | Richmond upon Thames | 2 | 2 | Slight |
| Sun 15 Nov 1998 | Richmond upon Thames | 2 | 1 | Slight |
| Mon 16 Nov 1998 | Hounslow | 1 | 1 | Slight |
| Mon 16 Nov 1998 | Richmond upon Thames | 2 | 2 | Slight |
| Thu 19 Nov 1998 | Hounslow | 1 | 1 | Slight |
| Fri 20 Nov 1998 | Hounslow | 2 | 2 | Slight |
| Sun 22 Nov 1998 | Hounslow | 2 | 1 | Slight |
| Thu 26 Nov 1998 | Richmond upon Thames | 2 | 1 | Slight |
| Fri 27 Nov 1998 | Hounslow | 3 | 1 | Slight |
| Sun 29 Nov 1998 | Richmond upon Thames | 2 | 2 | Slight |
| Tue 1 Dec 1998 | Hounslow | 2 | 1 | Slight |
| Wed 2 Dec 1998 | Hounslow | 2 | 1 | Slight |
| Thu 3 Dec 1998 | Richmond upon Thames | 2 | 1 | Slight |
| Fri 4 Dec 1998 | Hounslow | 1 | 1 | Slight |
| Sat 5 Dec 1998 | Richmond upon Thames | 2 | 1 | Slight |
| Sat 5 Dec 1998 | Richmond upon Thames | 1 | 1 | Slight |
| Sun 6 Dec 1998 | Hounslow | 1 | 1 | Serious |
| Mon 14 Dec 1998 | Spelthorne | 2 | 1 | Slight |
| Tue 15 Dec 1998 | Hounslow | 8 | 4 | Serious |
| Tue 15 Dec 1998 | Hounslow | 2 | 1 | Slight |
| Wed 16 Dec 1998 | Hounslow | 2 | 1 | Slight |
| Wed 16 Dec 1998 | Hounslow | 2 | 1 | Serious |
| Wed 23 Dec 1998 | Hounslow | 2 | 1 | Slight |
| Thu 24 Dec 1998 | Hounslow | 3 | 3 | Slight |
| Thu 31 Dec 1998 | Hounslow | 1 | 1 | Serious |