Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Sat 12 Jan 1980 | Harrow | 2 | 1 | Slight |
| Mon 14 Jan 1980 | Harrow | 2 | 1 | Serious |
| Thu 17 Jan 1980 | Harrow | 1 | 1 | Slight |
| Fri 25 Jan 1980 | Harrow | 2 | 1 | Slight |
| Fri 25 Jan 1980 | Harrow | 1 | 1 | Slight |
| Tue 5 Feb 1980 | Harrow | 1 | 1 | Slight |
| Thu 7 Feb 1980 | Harrow | 1 | 2 | Slight |
| Fri 15 Feb 1980 | Harrow | 2 | 2 | Slight |
| Sat 23 Feb 1980 | Harrow | 1 | 4 | Serious |
| Sun 24 Feb 1980 | Harrow | 1 | 1 | Serious |
| Fri 7 Mar 1980 | Harrow | 1 | 1 | Slight |
| Sat 8 Mar 1980 | Harrow | 1 | 1 | Serious |
| Mon 17 Mar 1980 | Harrow | 2 | 1 | Slight |
| Mon 24 Mar 1980 | Harrow | 2 | 1 | Slight |
| Thu 27 Mar 1980 | Harrow | 2 | 1 | Slight |
| Fri 28 Mar 1980 | Harrow | 1 | 1 | Slight |
| Fri 28 Mar 1980 | Harrow | 2 | 2 | Slight |
| Fri 28 Mar 1980 | Harrow | 2 | 1 | Slight |
| Tue 1 Apr 1980 | Harrow | 2 | 1 | Slight |
| Wed 2 Apr 1980 | Harrow | 1 | 1 | Slight |
| Thu 3 Apr 1980 | Harrow | 2 | 1 | Slight |
| Sun 6 Apr 1980 | Harrow | 2 | 1 | Slight |
| Sat 19 Apr 1980 | Harrow | 2 | 1 | Slight |
| Mon 28 Apr 1980 | Harrow | 1 | 1 | Serious |
| Fri 2 May 1980 | Harrow | 1 | 1 | Slight |
| Thu 15 May 1980 | Harrow | 2 | 1 | Slight |
| Sun 18 May 1980 | Harrow | 2 | 1 | Slight |
| Mon 26 May 1980 | Harrow | 3 | 1 | Slight |
| Sat 31 May 1980 | Harrow | 2 | 1 | Slight |
| Mon 2 Jun 1980 | Harrow | 2 | 1 | Slight |
| Tue 3 Jun 1980 | Harrow | 1 | 1 | Slight |
| Thu 5 Jun 1980 | Harrow | 1 | 1 | Slight |
| Thu 5 Jun 1980 | Bexley | 2 | 1 | Slight |
| Mon 9 Jun 1980 | Harrow | 2 | 2 | Serious |
| Mon 9 Jun 1980 | Harrow | 2 | 1 | Slight |
| Sun 15 Jun 1980 | Harrow | 1 | 1 | Serious |
| Tue 17 Jun 1980 | Harrow | 1 | 1 | Slight |
| Wed 18 Jun 1980 | Harrow | 2 | 1 | Serious |
| Tue 24 Jun 1980 | Harrow | 2 | 1 | Slight |
| Thu 26 Jun 1980 | Harrow | 1 | 1 | Slight |
| Fri 27 Jun 1980 | Harrow | 1 | 1 | Slight |
| Wed 2 Jul 1980 | Harrow | 1 | 1 | Serious |
| Thu 3 Jul 1980 | Harrow | 1 | 1 | Serious |
| Thu 10 Jul 1980 | Harrow | 2 | 1 | Serious |
| Thu 10 Jul 1980 | Harrow | 2 | 1 | Slight |
| Sat 12 Jul 1980 | Harrow | 3 | 1 | Slight |
| Fri 18 Jul 1980 | Harrow | 1 | 2 | Serious |
| Tue 22 Jul 1980 | Harrow | 1 | 1 | Serious |
| Tue 22 Jul 1980 | Harrow | 1 | 1 | Serious |
| Sat 2 Aug 1980 | Harrow | 1 | 1 | Slight |
| Sat 2 Aug 1980 | Brent | 2 | 1 | Slight |
| Mon 11 Aug 1980 | Harrow | 3 | 2 | Slight |
| Tue 12 Aug 1980 | Harrow | 1 | 1 | Slight |
| Wed 13 Aug 1980 | Harrow | 2 | 1 | Slight |
| Sun 17 Aug 1980 | Harrow | 2 | 1 | Slight |
| Thu 28 Aug 1980 | Harrow | 1 | 1 | Slight |
| Thu 4 Sep 1980 | Harrow | 1 | 1 | Serious |
| Sat 6 Sep 1980 | Harrow | 5 | 1 | Slight |
| Mon 8 Sep 1980 | Harrow | 1 | 1 | Fatal |
| Tue 16 Sep 1980 | Harrow | 2 | 1 | Slight |
| Thu 18 Sep 1980 | Harrow | 2 | 1 | Serious |
| Fri 19 Sep 1980 | Harrow | 3 | 2 | Slight |
| Sat 20 Sep 1980 | Harrow | 1 | 2 | Serious |
| Tue 23 Sep 1980 | Harrow | 2 | 1 | Serious |
| Tue 23 Sep 1980 | Harrow | 2 | 1 | Slight |
| Wed 24 Sep 1980 | Harrow | 2 | 1 | Slight |
| Fri 26 Sep 1980 | Harrow | 2 | 1 | Slight |
| Sat 27 Sep 1980 | Harrow | 3 | 1 | Slight |
| Thu 2 Oct 1980 | Harrow | 2 | 1 | Slight |
| Fri 3 Oct 1980 | Harrow | 3 | 1 | Serious |
| Sun 5 Oct 1980 | Harrow | 2 | 1 | Slight |
| Fri 10 Oct 1980 | Harrow | 1 | 1 | Slight |
| Sun 12 Oct 1980 | Harrow | 2 | 1 | Slight |
| Fri 17 Oct 1980 | Harrow | 1 | 1 | Slight |
| Fri 24 Oct 1980 | Harrow | 2 | 1 | Slight |
| Fri 24 Oct 1980 | Harrow | 1 | 1 | Serious |
| Thu 30 Oct 1980 | Harrow | 2 | 1 | Slight |
| Mon 3 Nov 1980 | Harrow | 2 | 1 | Slight |
| Wed 5 Nov 1980 | Harrow | 1 | 1 | Slight |
| Thu 6 Nov 1980 | Harrow | 1 | 1 | Slight |
| Fri 7 Nov 1980 | Harrow | 2 | 1 | Slight |
| Sat 8 Nov 1980 | Harrow | 2 | 4 | Slight |
| Tue 11 Nov 1980 | Harrow | 1 | 1 | Slight |
| Tue 11 Nov 1980 | Harrow | 1 | 1 | Serious |
| Wed 12 Nov 1980 | Harrow | 3 | 2 | Slight |
| Sat 15 Nov 1980 | Harrow | 1 | 1 | Slight |
| Tue 18 Nov 1980 | Harrow | 1 | 1 | Serious |
| Mon 24 Nov 1980 | Harrow | 1 | 1 | Slight |
| Sun 30 Nov 1980 | Harrow | 1 | 1 | Slight |
| Mon 1 Dec 1980 | Harrow | 1 | 1 | Slight |
| Fri 5 Dec 1980 | Harrow | 1 | 1 | Serious |
| Tue 9 Dec 1980 | Harrow | 1 | 1 | Slight |
| Wed 10 Dec 1980 | Harrow | 1 | 1 | Slight |
| Fri 12 Dec 1980 | Harrow | 1 | 2 | Fatal |
| Fri 12 Dec 1980 | Harrow | 2 | 1 | Slight |
| Sun 14 Dec 1980 | Harrow | 2 | 1 | Slight |
| Mon 22 Dec 1980 | Harrow | 2 | 1 | Slight |
| Fri 26 Dec 1980 | Harrow | 2 | 1 | Slight |