Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Thu 7 Jan 1988 | Hillingdon | 3 | 1 | Slight |
| Sun 10 Jan 1988 | Hillingdon | 2 | 2 | Slight |
| Mon 11 Jan 1988 | Harrow | 1 | 1 | Slight |
| Thu 14 Jan 1988 | Hillingdon | 2 | 1 | Slight |
| Thu 14 Jan 1988 | Hillingdon | 1 | 1 | Slight |
| Thu 14 Jan 1988 | Hillingdon | 2 | 1 | Slight |
| Thu 14 Jan 1988 | Hillingdon | 2 | 1 | Slight |
| Fri 15 Jan 1988 | Hillingdon | 2 | 1 | Slight |
| Fri 15 Jan 1988 | Hillingdon | 2 | 1 | Slight |
| Thu 21 Jan 1988 | Hillingdon | 2 | 1 | Slight |
| Mon 25 Jan 1988 | Hillingdon | 2 | 2 | Slight |
| Wed 27 Jan 1988 | Hillingdon | 2 | 2 | Serious |
| Tue 2 Feb 1988 | Hillingdon | 2 | 1 | Slight |
| Fri 5 Feb 1988 | Hillingdon | 1 | 1 | Slight |
| Tue 23 Feb 1988 | Hillingdon | 3 | 1 | Slight |
| Mon 29 Feb 1988 | Hillingdon | 1 | 2 | Slight |
| Sat 12 Mar 1988 | Hillingdon | 2 | 1 | Slight |
| Thu 17 Mar 1988 | Hillingdon | 1 | 1 | Fatal |
| Sat 26 Mar 1988 | Hillingdon | 2 | 1 | Slight |
| Tue 29 Mar 1988 | Hillingdon | 2 | 1 | Slight |
| Tue 29 Mar 1988 | Hillingdon | 2 | 1 | Slight |
| Tue 29 Mar 1988 | Hillingdon | 2 | 1 | Slight |
| Tue 5 Apr 1988 | Hillingdon | 2 | 1 | Slight |
| Thu 7 Apr 1988 | Hillingdon | 1 | 1 | Serious |
| Sun 10 Apr 1988 | Hillingdon | 3 | 2 | Slight |
| Tue 19 Apr 1988 | Hillingdon | 1 | 1 | Fatal |
| Tue 26 Apr 1988 | Hillingdon | 2 | 1 | Slight |
| Fri 6 May 1988 | Hillingdon | 2 | 1 | Slight |
| Thu 12 May 1988 | Hillingdon | 2 | 1 | Slight |
| Fri 13 May 1988 | Hillingdon | 3 | 1 | Serious |
| Sat 21 May 1988 | Hillingdon | 2 | 1 | Serious |
| Sat 21 May 1988 | Hillingdon | 2 | 1 | Serious |
| Sat 28 May 1988 | Hillingdon | 1 | 1 | Slight |
| Tue 28 Jun 1988 | Hillingdon | 2 | 1 | Slight |
| Tue 28 Jun 1988 | Harrow | 3 | 1 | Slight |
| Wed 29 Jun 1988 | Hillingdon | 2 | 1 | Slight |
| Mon 4 Jul 1988 | Hillingdon | 1 | 1 | Slight |
| Tue 5 Jul 1988 | Hillingdon | 2 | 2 | Slight |
| Tue 5 Jul 1988 | Hillingdon | 2 | 2 | Slight |
| Thu 7 Jul 1988 | Hillingdon | 1 | 1 | Slight |
| Tue 12 Jul 1988 | Hillingdon | 2 | 1 | Slight |
| Wed 13 Jul 1988 | Hillingdon | 1 | 1 | Serious |
| Fri 15 Jul 1988 | Hillingdon | 2 | 1 | Slight |
| Fri 15 Jul 1988 | Hillingdon | 2 | 1 | Slight |
| Fri 15 Jul 1988 | Hillingdon | 2 | 1 | Slight |
| Sat 16 Jul 1988 | Hillingdon | 2 | 3 | Slight |
| Tue 19 Jul 1988 | Hillingdon | 2 | 1 | Slight |
| Thu 21 Jul 1988 | Hillingdon | 2 | 2 | Serious |
| Thu 21 Jul 1988 | Hillingdon | 2 | 1 | Slight |
| Sun 24 Jul 1988 | Hillingdon | 2 | 3 | Serious |
| Tue 26 Jul 1988 | Harrow | 1 | 1 | Slight |
| Tue 26 Jul 1988 | Hillingdon | 2 | 1 | Serious |
| Mon 8 Aug 1988 | Hillingdon | 2 | 1 | Slight |
| Wed 10 Aug 1988 | Hillingdon | 2 | 1 | Slight |
| Tue 16 Aug 1988 | Hillingdon | 2 | 1 | Slight |
| Mon 5 Sep 1988 | Hillingdon | 2 | 1 | Serious |
| Tue 6 Sep 1988 | Hillingdon | 2 | 1 | Slight |
| Thu 15 Sep 1988 | Hillingdon | 2 | 1 | Slight |
| Thu 22 Sep 1988 | Hillingdon | 2 | 1 | Slight |
| Thu 22 Sep 1988 | Hillingdon | 2 | 1 | Slight |
| Mon 26 Sep 1988 | Hillingdon | 2 | 1 | Slight |
| Thu 29 Sep 1988 | Hillingdon | 2 | 1 | Slight |
| Sun 2 Oct 1988 | Hillingdon | 2 | 1 | Slight |
| Wed 5 Oct 1988 | Hillingdon | 2 | 1 | Slight |
| Thu 6 Oct 1988 | Hillingdon | 2 | 1 | Slight |
| Mon 17 Oct 1988 | Hillingdon | 2 | 1 | Slight |
| Wed 19 Oct 1988 | Hillingdon | 2 | 1 | Slight |
| Thu 20 Oct 1988 | Hillingdon | 1 | 2 | Serious |
| Thu 20 Oct 1988 | Hillingdon | 2 | 1 | Slight |
| Thu 20 Oct 1988 | Hillingdon | 2 | 1 | Serious |
| Sun 23 Oct 1988 | Hillingdon | 2 | 1 | Slight |
| Thu 27 Oct 1988 | Hillingdon | 2 | 2 | Slight |
| Thu 3 Nov 1988 | Hillingdon | 2 | 2 | Slight |
| Fri 4 Nov 1988 | Hillingdon | 3 | 1 | Slight |
| Fri 4 Nov 1988 | Hillingdon | 2 | 1 | Slight |
| Sun 6 Nov 1988 | Hillingdon | 2 | 3 | Slight |
| Sun 6 Nov 1988 | Hillingdon | 2 | 3 | Slight |
| Fri 11 Nov 1988 | Hillingdon | 2 | 1 | Slight |
| Sun 13 Nov 1988 | Hillingdon | 2 | 1 | Slight |
| Wed 16 Nov 1988 | Hillingdon | 2 | 1 | Slight |
| Sat 19 Nov 1988 | Hillingdon | 1 | 1 | Slight |
| Tue 22 Nov 1988 | Hillingdon | 2 | 1 | Slight |
| Sat 26 Nov 1988 | Hillingdon | 1 | 1 | Slight |
| Mon 28 Nov 1988 | Hillingdon | 1 | 1 | Slight |
| Mon 28 Nov 1988 | Hillingdon | 1 | 1 | Slight |
| Tue 29 Nov 1988 | Hillingdon | 1 | 1 | Slight |
| Sat 3 Dec 1988 | Hillingdon | 3 | 1 | Slight |
| Tue 6 Dec 1988 | Hillingdon | 2 | 4 | Serious |
| Tue 6 Dec 1988 | Hillingdon | 2 | 1 | Slight |
| Tue 6 Dec 1988 | Hillingdon | 2 | 1 | Slight |
| Fri 9 Dec 1988 | Hillingdon | 2 | 1 | Slight |
| Sat 10 Dec 1988 | Hillingdon | 2 | 1 | Slight |
| Mon 12 Dec 1988 | Hillingdon | 2 | 2 | Serious |
| Wed 14 Dec 1988 | Hillingdon | 1 | 1 | Slight |
| Fri 16 Dec 1988 | Hillingdon | 2 | 1 | Slight |
| Mon 19 Dec 1988 | Hillingdon | 1 | 1 | Slight |
| Mon 19 Dec 1988 | Hillingdon | 2 | 1 | Slight |
| Mon 19 Dec 1988 | Hillingdon | 2 | 1 | Slight |
| Mon 26 Dec 1988 | Hillingdon | 1 | 1 | Serious |
| Tue 27 Dec 1988 | Hillingdon | 2 | 1 | Slight |
| Wed 28 Dec 1988 | Hillingdon | 2 | 2 | Slight |