Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Thu 3 Jan 2013 | Broxbourne | 2 | 1 | Slight |
| Wed 9 Jan 2013 | Broxbourne | 3 | 2 | Slight |
| Tue 15 Jan 2013 | Broxbourne | 2 | 1 | Slight |
| Thu 17 Jan 2013 | Broxbourne | 2 | 1 | Slight |
| Fri 18 Jan 2013 | East Hertfordshire | 2 | 1 | Slight |
| Sat 26 Jan 2013 | Broxbourne | 2 | 1 | Slight |
| Sat 2 Feb 2013 | East Hertfordshire | 1 | 1 | Slight |
| Sun 17 Feb 2013 | Broxbourne | 1 | 1 | Slight |
| Sun 3 Mar 2013 | Broxbourne | 1 | 1 | Slight |
| Tue 5 Mar 2013 | Broxbourne | 2 | 1 | Slight |
| Tue 5 Mar 2013 | Broxbourne | 2 | 1 | Slight |
| Wed 6 Mar 2013 | Broxbourne | 2 | 1 | Slight |
| Sat 16 Mar 2013 | Broxbourne | 3 | 2 | Slight |
| Mon 18 Mar 2013 | Broxbourne | 2 | 1 | Slight |
| Fri 10 May 2013 | Broxbourne | 3 | 1 | Slight |
| Thu 16 May 2013 | East Hertfordshire | 1 | 2 | Serious |
| Fri 17 May 2013 | Broxbourne | 2 | 1 | Slight |
| Wed 29 May 2013 | Broxbourne | 2 | 1 | Slight |
| Tue 11 Jun 2013 | East Hertfordshire | 2 | 2 | Slight |
| Thu 20 Jun 2013 | East Hertfordshire | 2 | 1 | Slight |
| Thu 20 Jun 2013 | East Hertfordshire | 2 | 1 | Slight |
| Thu 20 Jun 2013 | Broxbourne | 2 | 1 | Slight |
| Fri 28 Jun 2013 | Broxbourne | 2 | 1 | Slight |
| Wed 3 Jul 2013 | Broxbourne | 1 | 1 | Serious |
| Sat 6 Jul 2013 | Broxbourne | 3 | 1 | Slight |
| Mon 8 Jul 2013 | East Hertfordshire | 2 | 1 | Slight |
| Tue 30 Jul 2013 | Broxbourne | 2 | 2 | Slight |
| Tue 30 Jul 2013 | Broxbourne | 2 | 2 | Slight |
| Tue 6 Aug 2013 | Broxbourne | 2 | 1 | Serious |
| Sat 10 Aug 2013 | Broxbourne | 2 | 3 | Slight |
| Wed 28 Aug 2013 | Broxbourne | 2 | 1 | Slight |
| Sat 31 Aug 2013 | Broxbourne | 2 | 3 | Serious |
| Mon 16 Sep 2013 | Broxbourne | 2 | 1 | Slight |
| Tue 17 Sep 2013 | Broxbourne | 2 | 2 | Slight |
| Sat 21 Sep 2013 | Broxbourne | 3 | 1 | Slight |
| Sun 22 Sep 2013 | Broxbourne | 1 | 2 | Slight |
| Sun 22 Sep 2013 | Broxbourne | 1 | 2 | Slight |
| Tue 1 Oct 2013 | East Hertfordshire | 2 | 3 | Slight |
| Sat 5 Oct 2013 | Broxbourne | 2 | 1 | Slight |
| Tue 22 Oct 2013 | Broxbourne | 2 | 1 | Slight |
| Wed 23 Oct 2013 | Broxbourne | 2 | 1 | Slight |
| Sun 3 Nov 2013 | Broxbourne | 2 | 1 | Slight |
| Wed 6 Nov 2013 | Broxbourne | 2 | 1 | Slight |
| Thu 7 Nov 2013 | Broxbourne | 2 | 1 | Slight |
| Fri 8 Nov 2013 | Broxbourne | 2 | 1 | Slight |
| Sun 10 Nov 2013 | Broxbourne | 2 | 1 | Slight |
| Sun 1 Dec 2013 | Broxbourne | 1 | 1 | Slight |
| Tue 17 Dec 2013 | Broxbourne | 2 | 1 | Slight |