Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Thu 2 Jan 2014 | Stevenage | 1 | 2 | Slight |
| Fri 3 Jan 2014 | Welwyn Hatfield | 3 | 1 | Slight |
| Sun 5 Jan 2014 | Darlington | 1 | 1 | Slight |
| Tue 7 Jan 2014 | Leeds | 2 | 3 | Serious |
| Wed 8 Jan 2014 | County Durham | 4 | 1 | Slight |
| Wed 8 Jan 2014 | Stevenage | 4 | 4 | Slight |
| Sat 11 Jan 2014 | Richmondshire | 2 | 4 | Serious |
| Sun 12 Jan 2014 | County Durham | 1 | 1 | Fatal |
| Sun 12 Jan 2014 | North Hertfordshire | 1 | 1 | Slight |
| Mon 13 Jan 2014 | Welwyn Hatfield | 2 | 2 | Slight |
| Mon 13 Jan 2014 | Wakefield | 1 | 2 | Slight |
| Tue 14 Jan 2014 | County Durham | 3 | 1 | Slight |
| Wed 15 Jan 2014 | Wakefield | 4 | 1 | Slight |
| Thu 16 Jan 2014 | Harrogate | 1 | 1 | Slight |
| Thu 16 Jan 2014 | County Durham | 2 | 1 | Slight |
| Mon 20 Jan 2014 | Doncaster | 2 | 2 | Slight |
| Sun 26 Jan 2014 | Huntingdonshire | 2 | 1 | Slight |
| Sun 26 Jan 2014 | Welwyn Hatfield | 2 | 2 | Slight |
| Mon 27 Jan 2014 | County Durham | 2 | 1 | Slight |
| Mon 27 Jan 2014 | County Durham | 2 | 5 | Slight |
| Mon 27 Jan 2014 | Doncaster | 1 | 1 | Slight |
| Tue 28 Jan 2014 | Doncaster | 2 | 2 | Slight |
| Tue 28 Jan 2014 | County Durham | 3 | 1 | Slight |
| Thu 30 Jan 2014 | North Hertfordshire | 6 | 3 | Slight |
| Thu 30 Jan 2014 | Welwyn Hatfield | 1 | 1 | Serious |
| Mon 3 Feb 2014 | County Durham | 2 | 1 | Slight |
| Wed 5 Feb 2014 | County Durham | 3 | 3 | Slight |
| Fri 7 Feb 2014 | Hertsmere | 1 | 1 | Slight |
| Fri 7 Feb 2014 | Welwyn Hatfield | 3 | 1 | Fatal |
| Mon 10 Feb 2014 | Doncaster | 2 | 2 | Slight |
| Mon 10 Feb 2014 | Doncaster | 2 | 1 | Slight |
| Tue 11 Feb 2014 | Harrogate | 2 | 1 | Slight |
| Tue 11 Feb 2014 | Harrogate | 3 | 1 | Slight |
| Wed 12 Feb 2014 | County Durham | 2 | 2 | Slight |
| Wed 12 Feb 2014 | Bassetlaw | 1 | 1 | Slight |
| Thu 13 Feb 2014 | County Durham | 2 | 1 | Slight |
| Thu 13 Feb 2014 | Welwyn Hatfield | 2 | 1 | Slight |
| Mon 17 Feb 2014 | County Durham | 3 | 1 | Slight |
| Tue 18 Feb 2014 | County Durham | 2 | 7 | Slight |
| Wed 19 Feb 2014 | Harrogate | 1 | 1 | Slight |
| Thu 20 Feb 2014 | North Hertfordshire | 3 | 1 | Slight |
| Fri 21 Feb 2014 | Huntingdonshire | 2 | 1 | Slight |
| Fri 21 Feb 2014 | Huntingdonshire | 2 | 1 | Slight |
| Sat 22 Feb 2014 | Hertsmere | 5 | 2 | Slight |
| Sun 23 Feb 2014 | Harrogate | 1 | 1 | Slight |
| Mon 24 Feb 2014 | North Hertfordshire | 2 | 1 | Slight |
| Wed 26 Feb 2014 | Welwyn Hatfield | 2 | 1 | Slight |
| Thu 27 Feb 2014 | Welwyn Hatfield | 3 | 2 | Slight |
| Tue 4 Mar 2014 | Leeds | 2 | 1 | Slight |
| Thu 6 Mar 2014 | Welwyn Hatfield | 2 | 1 | Slight |
| Thu 6 Mar 2014 | Darlington | 2 | 1 | Slight |
| Fri 7 Mar 2014 | Doncaster | 2 | 1 | Slight |
| Sun 9 Mar 2014 | Hambleton | 1 | 1 | Slight |
| Sun 9 Mar 2014 | Leeds | 1 | 1 | Slight |
| Mon 10 Mar 2014 | Harrogate | 2 | 1 | Slight |
| Fri 14 Mar 2014 | Gateshead | 2 | 1 | Slight |
| Fri 14 Mar 2014 | Welwyn Hatfield | 2 | 1 | Slight |
| Sat 15 Mar 2014 | County Durham | 1 | 2 | Slight |
| Tue 18 Mar 2014 | Harrogate | 3 | 2 | Serious |
| Sun 23 Mar 2014 | Harrogate | 2 | 1 | Slight |
| Wed 26 Mar 2014 | Harrogate | 2 | 1 | Slight |
| Thu 27 Mar 2014 | North Hertfordshire | 2 | 4 | Slight |
| Tue 1 Apr 2014 | Welwyn Hatfield | 1 | 1 | Slight |
| Thu 3 Apr 2014 | Richmondshire | 2 | 1 | Slight |
| Fri 4 Apr 2014 | Doncaster | 3 | 4 | Slight |
| Fri 4 Apr 2014 | Doncaster | 5 | 5 | Slight |
| Sat 5 Apr 2014 | County Durham | 2 | 1 | Slight |
| Sat 5 Apr 2014 | North Hertfordshire | 1 | 2 | Slight |
| Sat 5 Apr 2014 | Stevenage | 2 | 1 | Slight |
| Mon 7 Apr 2014 | Welwyn Hatfield | 2 | 1 | Slight |
| Tue 8 Apr 2014 | Leeds | 1 | 1 | Serious |
| Wed 9 Apr 2014 | Stevenage | 3 | 1 | Slight |
| Wed 9 Apr 2014 | North Hertfordshire | 2 | 1 | Slight |
| Sat 12 Apr 2014 | Stevenage | 1 | 4 | Fatal |
| Sat 12 Apr 2014 | North Hertfordshire | 1 | 1 | Slight |
| Mon 14 Apr 2014 | Hambleton | 2 | 2 | Slight |
| Fri 18 Apr 2014 | Doncaster | 2 | 3 | Slight |
| Fri 18 Apr 2014 | Doncaster | 3 | 1 | Slight |
| Fri 18 Apr 2014 | Doncaster | 3 | 1 | Slight |
| Mon 21 Apr 2014 | Leeds | 2 | 2 | Serious |
| Tue 22 Apr 2014 | Stevenage | 2 | 2 | Slight |
| Tue 22 Apr 2014 | County Durham | 2 | 3 | Slight |
| Wed 23 Apr 2014 | County Durham | 2 | 1 | Slight |
| Wed 23 Apr 2014 | Harrogate | 1 | 1 | Serious |
| Sat 3 May 2014 | Harrogate | 1 | 1 | Slight |
| Sat 3 May 2014 | Leeds | 3 | 1 | Slight |
| Sun 4 May 2014 | Darlington | 1 | 4 | Slight |
| Mon 5 May 2014 | County Durham | 2 | 2 | Slight |
| Tue 6 May 2014 | Stevenage | 1 | 1 | Slight |
| Wed 7 May 2014 | North Hertfordshire | 2 | 2 | Slight |
| Fri 9 May 2014 | Welwyn Hatfield | 1 | 1 | Slight |
| Sat 10 May 2014 | Gateshead | 1 | 1 | Slight |
| Sat 10 May 2014 | Gateshead | 1 | 1 | Slight |
| Mon 12 May 2014 | County Durham | 2 | 1 | Slight |
| Mon 12 May 2014 | Welwyn Hatfield | 2 | 1 | Slight |
| Fri 16 May 2014 | County Durham | 3 | 1 | Slight |
| Mon 19 May 2014 | Harrogate | 2 | 1 | Serious |
| Mon 19 May 2014 | County Durham | 1 | 1 | Slight |
| Mon 19 May 2014 | Doncaster | 2 | 2 | Slight |
| Wed 21 May 2014 | Welwyn Hatfield | 3 | 2 | Slight |
| Thu 22 May 2014 | Welwyn Hatfield | 2 | 2 | Slight |
| Fri 23 May 2014 | Doncaster | 2 | 1 | Slight |
| Fri 23 May 2014 | Stevenage | 1 | 2 | Slight |
| Sat 24 May 2014 | Stevenage | 1 | 2 | Slight |
| Mon 26 May 2014 | Doncaster | 1 | 1 | Slight |
| Mon 26 May 2014 | County Durham | 2 | 1 | Slight |
| Wed 28 May 2014 | Welwyn Hatfield | 1 | 1 | Serious |
| Wed 28 May 2014 | Welwyn Hatfield | 1 | 1 | Serious |
| Wed 28 May 2014 | Hambleton | 2 | 2 | Slight |
| Wed 28 May 2014 | Harrogate | 2 | 1 | Slight |
| Mon 2 Jun 2014 | Stevenage | 2 | 2 | Slight |
| Tue 3 Jun 2014 | Leeds | 3 | 1 | Slight |
| Tue 3 Jun 2014 | Doncaster | 2 | 1 | Slight |
| Fri 6 Jun 2014 | Wakefield | 1 | 1 | Serious |
| Sat 7 Jun 2014 | Gateshead | 2 | 4 | Slight |
| Sun 8 Jun 2014 | Doncaster | 1 | 1 | Serious |
| Mon 9 Jun 2014 | Doncaster | 2 | 1 | Slight |
| Mon 9 Jun 2014 | Doncaster | 3 | 3 | Slight |
| Thu 12 Jun 2014 | Welwyn Hatfield | 2 | 1 | Slight |
| Mon 16 Jun 2014 | Doncaster | 2 | 1 | Slight |
| Tue 17 Jun 2014 | Welwyn Hatfield | 2 | 1 | Slight |
| Thu 19 Jun 2014 | Leeds | 4 | 2 | Slight |
| Fri 20 Jun 2014 | Doncaster | 4 | 2 | Slight |
| Sat 21 Jun 2014 | Leeds | 1 | 2 | Slight |
| Sun 22 Jun 2014 | Huntingdonshire | 1 | 1 | Fatal |
| Sun 22 Jun 2014 | Doncaster | 3 | 2 | Slight |
| Sun 22 Jun 2014 | Harrogate | 1 | 1 | Slight |
| Mon 23 Jun 2014 | Harrogate | 1 | 1 | Slight |
| Tue 24 Jun 2014 | Welwyn Hatfield | 2 | 2 | Slight |
| Fri 27 Jun 2014 | Wakefield | 2 | 4 | Serious |
| Tue 1 Jul 2014 | Doncaster | 2 | 3 | Slight |
| Wed 2 Jul 2014 | Harrogate | 2 | 4 | Slight |
| Thu 3 Jul 2014 | Welwyn Hatfield | 2 | 1 | Serious |
| Thu 3 Jul 2014 | Darlington | 2 | 1 | Slight |
| Sat 5 Jul 2014 | North Hertfordshire | 2 | 3 | Slight |
| Sun 6 Jul 2014 | Harrogate | 2 | 1 | Slight |
| Sun 6 Jul 2014 | Harrogate | 2 | 1 | Slight |
| Tue 8 Jul 2014 | Welwyn Hatfield | 2 | 1 | Slight |
| Tue 8 Jul 2014 | Darlington | 2 | 1 | Slight |
| Tue 8 Jul 2014 | Leeds | 4 | 1 | Slight |
| Fri 11 Jul 2014 | Leeds | 2 | 1 | Slight |
| Sat 12 Jul 2014 | Doncaster | 3 | 3 | Slight |
| Wed 16 Jul 2014 | North Hertfordshire | 3 | 2 | Slight |
| Thu 17 Jul 2014 | Huntingdonshire | 2 | 1 | Slight |
| Thu 17 Jul 2014 | Selby | 2 | 2 | Slight |
| Thu 17 Jul 2014 | County Durham | 2 | 1 | Serious |
| Sat 19 Jul 2014 | Welwyn Hatfield | 2 | 6 | Slight |
| Tue 22 Jul 2014 | North Hertfordshire | 3 | 1 | Slight |
| Wed 23 Jul 2014 | Doncaster | 2 | 1 | Serious |
| Fri 25 Jul 2014 | County Durham | 2 | 1 | Slight |
| Sun 27 Jul 2014 | County Durham | 2 | 1 | Slight |
| Mon 28 Jul 2014 | Hambleton | 1 | 5 | Slight |
| Tue 29 Jul 2014 | Welwyn Hatfield | 2 | 1 | Slight |
| Tue 29 Jul 2014 | Welwyn Hatfield | 2 | 1 | Slight |
| Wed 30 Jul 2014 | Harrogate | 2 | 1 | Slight |
| Thu 31 Jul 2014 | Welwyn Hatfield | 2 | 1 | Slight |
| Thu 31 Jul 2014 | Welwyn Hatfield | 2 | 1 | Slight |
| Thu 31 Jul 2014 | North Hertfordshire | 2 | 1 | Slight |
| Mon 4 Aug 2014 | County Durham | 2 | 1 | Slight |
| Mon 4 Aug 2014 | Hambleton | 2 | 5 | Serious |
| Wed 6 Aug 2014 | County Durham | 2 | 1 | Slight |
| Thu 7 Aug 2014 | Welwyn Hatfield | 2 | 1 | Slight |
| Fri 8 Aug 2014 | Wakefield | 1 | 1 | Slight |
| Sat 9 Aug 2014 | Richmondshire | 1 | 2 | Serious |
| Sat 9 Aug 2014 | Leeds | 3 | 1 | Slight |
| Sun 10 Aug 2014 | Hambleton | 2 | 2 | Slight |
| Sun 10 Aug 2014 | North Hertfordshire | 3 | 1 | Slight |
| Sun 10 Aug 2014 | North Hertfordshire | 3 | 1 | Slight |
| Wed 13 Aug 2014 | North Hertfordshire | 2 | 1 | Slight |
| Thu 14 Aug 2014 | Huntingdonshire | 1 | 1 | Slight |
| Fri 15 Aug 2014 | Huntingdonshire | 1 | 1 | Slight |
| Fri 15 Aug 2014 | County Durham | 2 | 1 | Slight |
| Fri 15 Aug 2014 | Selby | 2 | 1 | Slight |
| Sun 17 Aug 2014 | County Durham | 2 | 1 | Slight |
| Thu 21 Aug 2014 | Huntingdonshire | 3 | 1 | Slight |
| Fri 22 Aug 2014 | Welwyn Hatfield | 2 | 4 | Slight |
| Fri 22 Aug 2014 | County Durham | 2 | 1 | Slight |
| Fri 22 Aug 2014 | Stevenage | 1 | 1 | Slight |
| Fri 22 Aug 2014 | Welwyn Hatfield | 2 | 2 | Slight |
| Thu 28 Aug 2014 | County Durham | 2 | 1 | Serious |
| Fri 29 Aug 2014 | Harrogate | 3 | 5 | Slight |
| Fri 29 Aug 2014 | Doncaster | 5 | 7 | Slight |
| Sun 31 Aug 2014 | North Hertfordshire | 2 | 3 | Slight |
| Mon 1 Sep 2014 | Bassetlaw | 1 | 1 | Slight |
| Mon 1 Sep 2014 | North Hertfordshire | 2 | 2 | Slight |
| Thu 4 Sep 2014 | Hambleton | 1 | 1 | Slight |
| Fri 5 Sep 2014 | Harrogate | 2 | 2 | Slight |
| Mon 8 Sep 2014 | Wakefield | 3 | 1 | Serious |
| Mon 8 Sep 2014 | Welwyn Hatfield | 2 | 1 | Slight |
| Mon 8 Sep 2014 | Selby | 2 | 4 | Slight |
| Tue 9 Sep 2014 | County Durham | 2 | 2 | Slight |
| Wed 10 Sep 2014 | Stevenage | 5 | 2 | Slight |
| Fri 12 Sep 2014 | County Durham | 2 | 1 | Slight |
| Sun 14 Sep 2014 | Welwyn Hatfield | 2 | 1 | Serious |
| Mon 15 Sep 2014 | North Hertfordshire | 3 | 2 | Serious |
| Tue 16 Sep 2014 | North Hertfordshire | 2 | 1 | Slight |
| Tue 16 Sep 2014 | Welwyn Hatfield | 2 | 1 | Slight |
| Wed 17 Sep 2014 | Doncaster | 2 | 2 | Slight |
| Thu 18 Sep 2014 | Selby | 1 | 1 | Slight |
| Fri 19 Sep 2014 | Welwyn Hatfield | 1 | 1 | Slight |
| Mon 22 Sep 2014 | Doncaster | 2 | 5 | Slight |
| Sat 27 Sep 2014 | Welwyn Hatfield | 1 | 1 | Fatal |
| Sat 27 Sep 2014 | Stevenage | 2 | 1 | Slight |
| Sun 28 Sep 2014 | Doncaster | 2 | 1 | Slight |
| Wed 1 Oct 2014 | County Durham | 2 | 2 | Serious |
| Thu 2 Oct 2014 | County Durham | 5 | 1 | Slight |
| Fri 3 Oct 2014 | Doncaster | 4 | 2 | Slight |
| Sat 4 Oct 2014 | Welwyn Hatfield | 2 | 1 | Slight |
| Fri 10 Oct 2014 | Doncaster | 3 | 1 | Slight |
| Mon 13 Oct 2014 | North Hertfordshire | 2 | 1 | Slight |
| Mon 13 Oct 2014 | Leeds | 1 | 1 | Slight |
| Mon 13 Oct 2014 | Doncaster | 2 | 1 | Slight |
| Fri 17 Oct 2014 | Leeds | 2 | 1 | Slight |
| Mon 20 Oct 2014 | Harrogate | 1 | 1 | Slight |
| Tue 21 Oct 2014 | Huntingdonshire | 1 | 2 | Serious |
| Tue 21 Oct 2014 | County Durham | 2 | 1 | Slight |
| Wed 22 Oct 2014 | Hambleton | 2 | 1 | Serious |
| Mon 27 Oct 2014 | Bassetlaw | 1 | 1 | Slight |
| Thu 30 Oct 2014 | North Hertfordshire | 2 | 1 | Slight |
| Fri 31 Oct 2014 | Wakefield | 2 | 1 | Slight |
| Sat 1 Nov 2014 | North Hertfordshire | 2 | 1 | Slight |
| Mon 3 Nov 2014 | County Durham | 3 | 2 | Slight |
| Tue 4 Nov 2014 | Selby | 2 | 1 | Slight |
| Wed 5 Nov 2014 | Doncaster | 2 | 1 | Serious |
| Thu 6 Nov 2014 | Selby | 1 | 1 | Slight |
| Thu 6 Nov 2014 | County Durham | 4 | 4 | Slight |
| Thu 6 Nov 2014 | County Durham | 2 | 1 | Slight |
| Fri 7 Nov 2014 | Hertsmere | 2 | 2 | Slight |
| Sun 9 Nov 2014 | Darlington | 2 | 3 | Slight |
| Mon 10 Nov 2014 | North Hertfordshire | 4 | 3 | Slight |
| Mon 10 Nov 2014 | Stevenage | 2 | 1 | Slight |
| Tue 11 Nov 2014 | Stevenage | 4 | 4 | Slight |
| Tue 11 Nov 2014 | Hertsmere | 2 | 1 | Slight |
| Thu 13 Nov 2014 | Selby | 2 | 1 | Slight |
| Thu 13 Nov 2014 | Selby | 3 | 1 | Slight |
| Wed 19 Nov 2014 | County Durham | 2 | 1 | Slight |
| Wed 19 Nov 2014 | Huntingdonshire | 1 | 1 | Slight |
| Thu 20 Nov 2014 | Doncaster | 1 | 1 | Slight |
| Thu 20 Nov 2014 | North Hertfordshire | 2 | 1 | Slight |
| Fri 21 Nov 2014 | Doncaster | 2 | 4 | Slight |
| Sat 22 Nov 2014 | Harrogate | 1 | 1 | Slight |
| Mon 24 Nov 2014 | Leeds | 1 | 1 | Slight |
| Mon 24 Nov 2014 | Welwyn Hatfield | 2 | 1 | Slight |
| Tue 25 Nov 2014 | Stevenage | 2 | 1 | Slight |
| Wed 26 Nov 2014 | Stevenage | 4 | 1 | Slight |
| Wed 26 Nov 2014 | Stevenage | 4 | 1 | Slight |
| Wed 26 Nov 2014 | Doncaster | 6 | 6 | Slight |
| Sat 29 Nov 2014 | Welwyn Hatfield | 1 | 1 | Slight |
| Sun 30 Nov 2014 | Welwyn Hatfield | 10 | 6 | Slight |
| Mon 8 Dec 2014 | County Durham | 2 | 1 | Slight |
| Mon 8 Dec 2014 | North Hertfordshire | 2 | 1 | Slight |
| Mon 8 Dec 2014 | Doncaster | 4 | 2 | Slight |
| Tue 9 Dec 2014 | Hertsmere | 2 | 2 | Slight |
| Fri 12 Dec 2014 | Selby | 2 | 1 | Slight |
| Fri 12 Dec 2014 | Leeds | 4 | 3 | Serious |
| Mon 15 Dec 2014 | Wakefield | 3 | 1 | Slight |
| Mon 15 Dec 2014 | Doncaster | 2 | 1 | Slight |
| Tue 16 Dec 2014 | County Durham | 2 | 1 | Slight |
| Tue 16 Dec 2014 | Selby | 1 | 1 | Slight |
| Wed 17 Dec 2014 | Welwyn Hatfield | 2 | 1 | Slight |
| Sat 20 Dec 2014 | Stevenage | 4 | 3 | Slight |
| Sat 20 Dec 2014 | Welwyn Hatfield | 2 | 1 | Slight |
| Mon 22 Dec 2014 | County Durham | 4 | 3 | Slight |
| Tue 23 Dec 2014 | County Durham | 2 | 1 | Slight |
| Fri 26 Dec 2014 | Harrogate | 3 | 2 | Slight |
| Fri 26 Dec 2014 | Leeds | 1 | 1 | Slight |
| Sun 28 Dec 2014 | Doncaster | 2 | 3 | Slight |