Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Thu 11 Jan 1990 | Hounslow | 3 | 1 | Slight |
| Thu 11 Jan 1990 | Richmond upon Thames | 1 | 1 | Slight |
| Fri 12 Jan 1990 | Richmond upon Thames | 2 | 1 | Slight |
| Fri 12 Jan 1990 | Hounslow | 2 | 1 | Slight |
| Sat 13 Jan 1990 | Hounslow | 2 | 1 | Slight |
| Tue 16 Jan 1990 | Richmond upon Thames | 2 | 1 | Slight |
| Wed 17 Jan 1990 | Richmond upon Thames | 1 | 1 | Slight |
| Mon 22 Jan 1990 | Richmond upon Thames | 2 | 1 | Slight |
| Tue 30 Jan 1990 | Hounslow | 1 | 1 | Slight |
| Tue 30 Jan 1990 | Hounslow | 1 | 1 | Slight |
| Sat 3 Feb 1990 | Richmond upon Thames | 2 | 1 | Slight |
| Mon 5 Feb 1990 | Hounslow | 2 | 1 | Slight |
| Mon 5 Feb 1990 | Hounslow | 1 | 1 | Serious |
| Mon 12 Feb 1990 | Richmond upon Thames | 2 | 1 | Slight |
| Mon 12 Feb 1990 | Richmond upon Thames | 1 | 1 | Slight |
| Mon 12 Feb 1990 | Hounslow | 1 | 1 | Serious |
| Sun 18 Feb 1990 | Richmond upon Thames | 2 | 1 | Slight |
| Tue 20 Feb 1990 | Richmond upon Thames | 2 | 1 | Slight |
| Wed 21 Feb 1990 | Hounslow | 1 | 1 | Slight |
| Wed 21 Feb 1990 | Hounslow | 1 | 1 | Serious |
| Tue 27 Feb 1990 | Richmond upon Thames | 2 | 1 | Slight |
| Thu 8 Mar 1990 | Richmond upon Thames | 1 | 1 | Slight |
| Mon 12 Mar 1990 | Hounslow | 3 | 1 | Slight |
| Wed 21 Mar 1990 | Richmond upon Thames | 1 | 1 | Slight |
| Wed 21 Mar 1990 | Richmond upon Thames | 1 | 1 | Slight |
| Thu 22 Mar 1990 | Hounslow | 1 | 1 | Slight |
| Sat 31 Mar 1990 | Richmond upon Thames | 2 | 1 | Slight |
| Sat 31 Mar 1990 | Richmond upon Thames | 1 | 1 | Slight |
| Mon 9 Apr 1990 | Hounslow | 1 | 1 | Slight |
| Wed 11 Apr 1990 | Richmond upon Thames | 1 | 1 | Slight |
| Sun 15 Apr 1990 | Hounslow | 2 | 1 | Slight |
| Mon 23 Apr 1990 | Hounslow | 2 | 1 | Slight |
| Tue 24 Apr 1990 | Richmond upon Thames | 2 | 1 | Slight |
| Wed 25 Apr 1990 | Richmond upon Thames | 2 | 1 | Slight |
| Wed 25 Apr 1990 | Richmond upon Thames | 2 | 1 | Serious |
| Thu 26 Apr 1990 | Hounslow | 2 | 1 | Slight |
| Thu 26 Apr 1990 | Richmond upon Thames | 2 | 1 | Slight |
| Thu 26 Apr 1990 | Richmond upon Thames | 1 | 1 | Slight |
| Thu 26 Apr 1990 | Richmond upon Thames | 1 | 1 | Slight |
| Wed 2 May 1990 | Hounslow | 2 | 1 | Slight |
| Thu 3 May 1990 | Richmond upon Thames | 2 | 1 | Slight |
| Fri 4 May 1990 | Richmond upon Thames | 2 | 1 | Slight |
| Wed 9 May 1990 | Richmond upon Thames | 2 | 1 | Slight |
| Mon 14 May 1990 | Richmond upon Thames | 1 | 1 | Slight |
| Wed 16 May 1990 | Hounslow | 1 | 1 | Slight |
| Wed 16 May 1990 | Hounslow | 1 | 1 | Serious |
| Sat 19 May 1990 | Richmond upon Thames | 2 | 1 | Slight |
| Tue 22 May 1990 | Richmond upon Thames | 1 | 1 | Slight |
| Fri 25 May 1990 | Hounslow | 1 | 1 | Slight |
| Sat 26 May 1990 | Richmond upon Thames | 3 | 1 | Slight |
| Mon 28 May 1990 | Richmond upon Thames | 2 | 1 | Slight |
| Mon 4 Jun 1990 | Richmond upon Thames | 2 | 1 | Slight |
| Sat 9 Jun 1990 | Hounslow | 1 | 1 | Slight |
| Mon 11 Jun 1990 | Richmond upon Thames | 2 | 1 | Slight |
| Thu 14 Jun 1990 | Richmond upon Thames | 2 | 1 | Slight |
| Thu 21 Jun 1990 | Richmond upon Thames | 2 | 1 | Slight |
| Fri 22 Jun 1990 | Richmond upon Thames | 1 | 1 | Serious |
| Wed 4 Jul 1990 | Richmond upon Thames | 2 | 1 | Slight |
| Fri 6 Jul 1990 | Richmond upon Thames | 1 | 1 | Slight |
| Sat 7 Jul 1990 | Richmond upon Thames | 2 | 1 | Slight |
| Mon 9 Jul 1990 | Richmond upon Thames | 1 | 1 | Serious |
| Sun 15 Jul 1990 | Hounslow | 2 | 1 | Slight |
| Wed 18 Jul 1990 | Hounslow | 2 | 1 | Serious |
| Wed 18 Jul 1990 | Hounslow | 2 | 1 | Serious |
| Wed 18 Jul 1990 | Richmond upon Thames | 2 | 1 | Slight |
| Tue 24 Jul 1990 | Hounslow | 2 | 1 | Serious |
| Thu 26 Jul 1990 | Richmond upon Thames | 2 | 2 | Slight |
| Fri 3 Aug 1990 | Richmond upon Thames | 2 | 1 | Slight |
| Mon 6 Aug 1990 | Richmond upon Thames | 2 | 1 | Slight |
| Mon 13 Aug 1990 | Richmond upon Thames | 1 | 1 | Serious |
| Sat 18 Aug 1990 | Richmond upon Thames | 1 | 1 | Serious |
| Sun 19 Aug 1990 | Hounslow | 1 | 1 | Slight |
| Mon 20 Aug 1990 | Hounslow | 2 | 1 | Slight |
| Mon 3 Sep 1990 | Richmond upon Thames | 2 | 1 | Slight |
| Tue 4 Sep 1990 | Richmond upon Thames | 2 | 1 | Slight |
| Tue 18 Sep 1990 | Hounslow | 2 | 1 | Slight |
| Tue 18 Sep 1990 | Hounslow | 2 | 1 | Slight |
| Tue 18 Sep 1990 | Hounslow | 2 | 1 | Slight |
| Fri 21 Sep 1990 | Richmond upon Thames | 2 | 1 | Slight |
| Mon 24 Sep 1990 | Richmond upon Thames | 2 | 1 | Slight |
| Mon 24 Sep 1990 | Hounslow | 1 | 1 | Slight |
| Tue 25 Sep 1990 | Richmond upon Thames | 1 | 1 | Slight |
| Wed 26 Sep 1990 | Hounslow | 1 | 1 | Slight |
| Thu 27 Sep 1990 | Richmond upon Thames | 2 | 1 | Serious |
| Fri 28 Sep 1990 | Richmond upon Thames | 2 | 1 | Slight |
| Sat 29 Sep 1990 | Richmond upon Thames | 1 | 1 | Serious |
| Mon 1 Oct 1990 | Hounslow | 1 | 1 | Slight |
| Thu 4 Oct 1990 | Hounslow | 2 | 1 | Serious |
| Fri 5 Oct 1990 | Richmond upon Thames | 1 | 1 | Serious |
| Wed 10 Oct 1990 | Hounslow | 1 | 1 | Slight |
| Fri 12 Oct 1990 | Richmond upon Thames | 1 | 1 | Slight |
| Wed 17 Oct 1990 | Hounslow | 2 | 1 | Serious |
| Wed 17 Oct 1990 | Richmond upon Thames | 2 | 1 | Slight |
| Thu 18 Oct 1990 | Richmond upon Thames | 1 | 2 | Slight |
| Thu 18 Oct 1990 | Hounslow | 2 | 1 | Slight |
| Fri 19 Oct 1990 | Richmond upon Thames | 1 | 1 | Slight |
| Mon 22 Oct 1990 | Hounslow | 1 | 1 | Slight |
| Mon 22 Oct 1990 | Hounslow | 2 | 1 | Slight |
| Fri 26 Oct 1990 | Richmond upon Thames | 1 | 2 | Serious |
| Thu 1 Nov 1990 | Richmond upon Thames | 2 | 1 | Slight |
| Fri 2 Nov 1990 | Richmond upon Thames | 2 | 1 | Slight |
| Sat 3 Nov 1990 | Hounslow | 1 | 1 | Serious |
| Thu 8 Nov 1990 | Richmond upon Thames | 2 | 1 | Slight |
| Sun 11 Nov 1990 | Richmond upon Thames | 1 | 1 | Slight |
| Tue 13 Nov 1990 | Richmond upon Thames | 1 | 1 | Serious |
| Tue 13 Nov 1990 | Richmond upon Thames | 2 | 1 | Slight |
| Thu 22 Nov 1990 | Hounslow | 1 | 1 | Slight |
| Thu 22 Nov 1990 | Hounslow | 2 | 1 | Slight |
| Sat 24 Nov 1990 | Hounslow | 2 | 1 | Slight |
| Mon 26 Nov 1990 | Richmond upon Thames | 2 | 2 | Slight |
| Thu 29 Nov 1990 | Richmond upon Thames | 1 | 1 | Slight |
| Sat 1 Dec 1990 | Richmond upon Thames | 1 | 1 | Slight |
| Tue 4 Dec 1990 | Hounslow | 2 | 1 | Serious |
| Wed 5 Dec 1990 | Richmond upon Thames | 1 | 2 | Slight |
| Wed 5 Dec 1990 | Richmond upon Thames | 1 | 1 | Slight |
| Wed 5 Dec 1990 | Hounslow | 2 | 2 | Slight |
| Thu 6 Dec 1990 | Richmond upon Thames | 2 | 1 | Serious |
| Fri 7 Dec 1990 | Hounslow | 3 | 1 | Slight |
| Fri 7 Dec 1990 | Hounslow | 3 | 1 | Slight |
| Tue 11 Dec 1990 | Richmond upon Thames | 1 | 1 | Slight |
| Sun 16 Dec 1990 | Richmond upon Thames | 1 | 1 | Serious |
| Wed 19 Dec 1990 | Richmond upon Thames | 1 | 1 | Slight |
| Wed 19 Dec 1990 | Hounslow | 1 | 1 | Slight |
| Thu 20 Dec 1990 | Richmond upon Thames | 1 | 1 | Serious |
| Thu 20 Dec 1990 | Richmond upon Thames | 2 | 2 | Serious |
| Fri 28 Dec 1990 | Richmond upon Thames | 1 | 1 | Serious |