Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Tue 2 Jan 1979 | Durham | 4 | 1 | Slight |
| Tue 2 Jan 1979 | Durham | 3 | 2 | Slight |
| Thu 11 Jan 1979 | North Hertfordshire | 2 | 1 | Slight |
| Thu 11 Jan 1979 | Chester-le-Street | 1 | 1 | Slight |
| Sun 14 Jan 1979 | Darlington | 1 | 2 | Slight |
| Mon 15 Jan 1979 | Durham | 3 | 1 | Slight |
| Tue 16 Jan 1979 | Durham | 2 | 1 | Slight |
| Mon 22 Jan 1979 | Sedgefield | 1 | 3 | Fatal |
| Thu 25 Jan 1979 | North Hertfordshire | 7 | 1 | Slight |
| Fri 26 Jan 1979 | Sedgefield | 1 | 1 | Slight |
| Fri 26 Jan 1979 | Darlington | 2 | 1 | Slight |
| Mon 29 Jan 1979 | Darlington | 2 | 1 | Slight |
| Fri 2 Feb 1979 | Sedgefield | 1 | 1 | Slight |
| Fri 2 Feb 1979 | Doncaster | 1 | 1 | Serious |
| Sat 3 Feb 1979 | Durham | 2 | 1 | Slight |
| Mon 5 Feb 1979 | Durham | 1 | 1 | Slight |
| Mon 5 Feb 1979 | Chester-le-Street | 3 | 1 | Slight |
| Tue 6 Feb 1979 | Durham | 2 | 1 | Serious |
| Sat 10 Feb 1979 | Richmondshire | 4 | 1 | Slight |
| Tue 13 Feb 1979 | North Hertfordshire | 1 | 1 | Serious |
| Wed 14 Feb 1979 | Sedgefield | 1 | 1 | Slight |
| Sun 18 Feb 1979 | North Hertfordshire | 1 | 3 | Slight |
| Thu 1 Mar 1979 | North Hertfordshire | 1 | 1 | Slight |
| Sun 11 Mar 1979 | Doncaster | 1 | 1 | Slight |
| Tue 13 Mar 1979 | Stevenage | 1 | 1 | Serious |
| Fri 16 Mar 1979 | Welwyn Hatfield | 2 | 1 | Serious |
| Fri 16 Mar 1979 | Welwyn Hatfield | 2 | 1 | Serious |
| Mon 19 Mar 1979 | North Hertfordshire | 1 | 1 | Slight |
| Mon 19 Mar 1979 | Stevenage | 2 | 1 | Serious |
| Tue 20 Mar 1979 | Sedgefield | 1 | 1 | Slight |
| Wed 21 Mar 1979 | Sedgefield | 5 | 2 | Slight |
| Wed 21 Mar 1979 | North Hertfordshire | 2 | 1 | Slight |
| Wed 21 Mar 1979 | North Hertfordshire | 2 | 1 | Slight |
| Fri 23 Mar 1979 | Doncaster | 2 | 1 | Slight |
| Wed 28 Mar 1979 | Richmondshire | 2 | 1 | Slight |
| Wed 28 Mar 1979 | Chester-le-Street | 3 | 1 | Slight |
| Thu 29 Mar 1979 | Chester-le-Street | 2 | 2 | Serious |
| Sat 31 Mar 1979 | Welwyn Hatfield | 2 | 1 | Serious |
| Thu 5 Apr 1979 | Doncaster | 1 | 2 | Fatal |
| Sat 14 Apr 1979 | Doncaster | 1 | 3 | Slight |
| Sun 15 Apr 1979 | Doncaster | 1 | 1 | Slight |
| Sun 15 Apr 1979 | Barnet | 2 | 1 | Slight |
| Wed 25 Apr 1979 | Richmondshire | 1 | 1 | Serious |
| Wed 25 Apr 1979 | Welwyn Hatfield | 1 | 2 | Serious |
| Fri 27 Apr 1979 | Barnet | 1 | 1 | Serious |
| Fri 27 Apr 1979 | Stevenage | 2 | 3 | Serious |
| Wed 2 May 1979 | North Hertfordshire | 1 | 3 | Slight |
| Wed 2 May 1979 | North Hertfordshire | 1 | 3 | Slight |
| Sat 5 May 1979 | Durham | 2 | 1 | Slight |
| Sun 6 May 1979 | Sedgefield | 1 | 1 | Slight |
| Wed 9 May 1979 | North Hertfordshire | 1 | 1 | Slight |
| Sun 13 May 1979 | South Kesteven | 2 | 1 | Serious |
| Fri 18 May 1979 | Welwyn Hatfield | 1 | 1 | Slight |
| Fri 18 May 1979 | Welwyn Hatfield | 2 | 1 | Serious |
| Fri 18 May 1979 | Chester-le-Street | 1 | 6 | Serious |
| Wed 23 May 1979 | Doncaster | 1 | 2 | Slight |
| Sat 26 May 1979 | Doncaster | 5 | 3 | Slight |
| Sun 3 Jun 1979 | Sedgefield | 2 | 1 | Slight |
| Wed 6 Jun 1979 | Welwyn Hatfield | 1 | 3 | Slight |
| Mon 11 Jun 1979 | Hertsmere | 2 | 1 | Slight |
| Sat 16 Jun 1979 | Welwyn Hatfield | 1 | 2 | Slight |
| Sat 16 Jun 1979 | Hertsmere | 1 | 1 | Slight |
| Sun 17 Jun 1979 | Sedgefield | 1 | 2 | Slight |
| Tue 19 Jun 1979 | Sedgefield | 2 | 1 | Slight |
| Tue 19 Jun 1979 | Doncaster | 2 | 1 | Slight |
| Wed 20 Jun 1979 | Durham | 2 | 1 | Slight |
| Fri 22 Jun 1979 | Doncaster | 1 | 3 | Fatal |
| Sat 23 Jun 1979 | Sedgefield | 1 | 2 | Slight |
| Sat 23 Jun 1979 | Doncaster | 1 | 1 | Slight |
| Sat 23 Jun 1979 | Chester-le-Street | 1 | 2 | Serious |
| Sun 24 Jun 1979 | Sedgefield | 1 | 2 | Slight |
| Wed 27 Jun 1979 | Welwyn Hatfield | 2 | 1 | Slight |
| Fri 29 Jun 1979 | Doncaster | 2 | 1 | Slight |
| Sat 30 Jun 1979 | Chester-le-Street | 1 | 3 | Slight |
| Fri 6 Jul 1979 | Darlington | 1 | 2 | Slight |
| Wed 18 Jul 1979 | Darlington | 2 | 3 | Slight |
| Fri 20 Jul 1979 | Doncaster | 2 | 1 | Slight |
| Sat 21 Jul 1979 | Darlington | 1 | 1 | Serious |
| Sat 21 Jul 1979 | Richmondshire | 2 | 3 | Serious |
| Wed 25 Jul 1979 | Barnet | 2 | 1 | Slight |
| Thu 26 Jul 1979 | Durham | 2 | 1 | Slight |
| Thu 26 Jul 1979 | Doncaster | 2 | 2 | Serious |
| Sat 28 Jul 1979 | North Hertfordshire | 1 | 1 | Slight |
| Sat 28 Jul 1979 | North Hertfordshire | 1 | 1 | Slight |
| Mon 30 Jul 1979 | Welwyn Hatfield | 2 | 2 | Slight |
| Mon 30 Jul 1979 | Sedgefield | 2 | 2 | Slight |
| Fri 3 Aug 1979 | Barnet | 2 | 1 | Slight |
| Sun 5 Aug 1979 | North Hertfordshire | 2 | 3 | Slight |
| Sun 5 Aug 1979 | Welwyn Hatfield | 2 | 1 | Slight |
| Sun 5 Aug 1979 | Durham | 1 | 2 | Slight |
| Wed 8 Aug 1979 | Sedgefield | 2 | 1 | Slight |
| Thu 9 Aug 1979 | Stevenage | 5 | 1 | Slight |
| Mon 13 Aug 1979 | Chester-le-Street | 1 | 1 | Serious |
| Fri 17 Aug 1979 | Stevenage | 2 | 1 | Slight |
| Fri 17 Aug 1979 | Barnet | 4 | 3 | Slight |
| Mon 20 Aug 1979 | Durham | 1 | 1 | Slight |
| Tue 21 Aug 1979 | Darlington | 1 | 1 | Slight |
| Fri 24 Aug 1979 | Hertsmere | 1 | 1 | Slight |
| Fri 24 Aug 1979 | Doncaster | 1 | 1 | Serious |
| Fri 24 Aug 1979 | Barnet | 2 | 1 | Slight |
| Wed 29 Aug 1979 | Doncaster | 2 | 1 | Slight |
| Sat 1 Sep 1979 | North Hertfordshire | 2 | 2 | Slight |
| Sat 1 Sep 1979 | North Hertfordshire | 3 | 5 | Serious |
| Sun 2 Sep 1979 | Durham | 1 | 3 | Fatal |
| Thu 6 Sep 1979 | Doncaster | 2 | 1 | Serious |
| Thu 6 Sep 1979 | Barnet | 2 | 2 | Slight |
| Sat 15 Sep 1979 | Welwyn Hatfield | 1 | 2 | Slight |
| Tue 18 Sep 1979 | Hertsmere | 1 | 1 | Serious |
| Sun 23 Sep 1979 | Doncaster | 2 | 4 | Serious |
| Sun 23 Sep 1979 | Stevenage | 2 | 1 | Slight |
| Sun 23 Sep 1979 | Richmondshire | 2 | 1 | Fatal |
| Thu 27 Sep 1979 | North Hertfordshire | 1 | 1 | Slight |
| Fri 28 Sep 1979 | Doncaster | 2 | 1 | Slight |
| Thu 4 Oct 1979 | Hertsmere | 2 | 1 | Serious |
| Fri 5 Oct 1979 | Sunderland | 2 | 1 | Slight |
| Fri 5 Oct 1979 | Sunderland | 2 | 1 | Slight |
| Tue 9 Oct 1979 | Sunderland | 3 | 1 | Serious |
| Sun 14 Oct 1979 | Hertsmere | 2 | 1 | Slight |
| Sun 21 Oct 1979 | Richmondshire | 3 | 5 | Serious |
| Sun 21 Oct 1979 | Welwyn Hatfield | 2 | 1 | Serious |
| Fri 26 Oct 1979 | North Hertfordshire | 1 | 1 | Slight |
| Sat 27 Oct 1979 | Doncaster | 1 | 2 | Slight |
| Sat 27 Oct 1979 | Doncaster | 1 | 2 | Slight |
| Sun 28 Oct 1979 | North Hertfordshire | 1 | 1 | Slight |
| Sun 28 Oct 1979 | North Hertfordshire | 1 | 1 | Slight |
| Tue 30 Oct 1979 | Hertsmere | 1 | 1 | Slight |
| Sun 4 Nov 1979 | Welwyn Hatfield | 2 | 1 | Serious |
| Sun 4 Nov 1979 | Sedgefield | 1 | 1 | Fatal |
| Fri 9 Nov 1979 | Sedgefield | 1 | 1 | Slight |
| Sat 10 Nov 1979 | Doncaster | 1 | 3 | Slight |
| Mon 12 Nov 1979 | Welwyn Hatfield | 1 | 1 | Serious |
| Mon 12 Nov 1979 | Welwyn Hatfield | 1 | 1 | Serious |
| Tue 13 Nov 1979 | Durham | 2 | 1 | Slight |
| Fri 16 Nov 1979 | Gateshead | 6 | 3 | Slight |
| Sun 18 Nov 1979 | Stevenage | 2 | 1 | Slight |
| Sun 18 Nov 1979 | North Hertfordshire | 1 | 4 | Serious |
| Tue 20 Nov 1979 | Richmondshire | 1 | 1 | Serious |
| Wed 21 Nov 1979 | Doncaster | 1 | 1 | Serious |
| Fri 30 Nov 1979 | Welwyn Hatfield | 2 | 1 | Slight |
| Tue 4 Dec 1979 | Durham | 2 | 1 | Slight |
| Tue 11 Dec 1979 | Durham | 1 | 1 | Slight |
| Tue 11 Dec 1979 | Sunderland | 2 | 1 | Slight |
| Sat 15 Dec 1979 | North Hertfordshire | 2 | 1 | Slight |
| Sat 15 Dec 1979 | North Hertfordshire | 2 | 1 | Slight |
| Wed 19 Dec 1979 | Sedgefield | 1 | 1 | Slight |
| Fri 21 Dec 1979 | Richmondshire | 2 | 1 | Slight |
| Fri 21 Dec 1979 | Welwyn Hatfield | 1 | 2 | Slight |
| Fri 21 Dec 1979 | Welwyn Hatfield | 1 | 2 | Slight |
| Mon 24 Dec 1979 | North Hertfordshire | 2 | 2 | Slight |
| Tue 25 Dec 1979 | Welwyn Hatfield | 2 | 2 | Slight |
| Fri 28 Dec 1979 | Welwyn Hatfield | 1 | 1 | Slight |
| Sat 29 Dec 1979 | North Hertfordshire | 1 | 1 | Slight |