Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Wed 1 Jan 2003 | Allerdale | 1 | 3 | Slight |
| Fri 3 Jan 2003 | Richmondshire | 1 | 1 | Slight |
| Mon 6 Jan 2003 | Stockton-on-Tees | 2 | 1 | Slight |
| Mon 6 Jan 2003 | Middlesbrough | 2 | 1 | Serious |
| Fri 10 Jan 2003 | Middlesbrough | 2 | 1 | Slight |
| Fri 10 Jan 2003 | Eden | 2 | 1 | Slight |
| Fri 10 Jan 2003 | Eden | 2 | 1 | Slight |
| Fri 10 Jan 2003 | Copeland | 1 | 1 | Slight |
| Sat 11 Jan 2003 | Eden | 2 | 1 | Slight |
| Sat 11 Jan 2003 | Eden | 2 | 1 | Slight |
| Sat 18 Jan 2003 | Eden | 1 | 1 | Slight |
| Mon 20 Jan 2003 | Eden | 2 | 2 | Slight |
| Thu 23 Jan 2003 | Allerdale | 2 | 2 | Slight |
| Wed 29 Jan 2003 | Middlesbrough | 2 | 1 | Slight |
| Wed 29 Jan 2003 | Darlington | 3 | 2 | Slight |
| Tue 4 Feb 2003 | Allerdale | 1 | 1 | Slight |
| Tue 4 Feb 2003 | Richmondshire | 1 | 2 | Slight |
| Wed 5 Feb 2003 | Stockton-on-Tees | 2 | 4 | Serious |
| Sun 9 Feb 2003 | Middlesbrough | 1 | 3 | Serious |
| Sun 9 Feb 2003 | Darlington | 2 | 2 | Slight |
| Mon 10 Feb 2003 | Middlesbrough | 1 | 1 | Slight |
| Tue 11 Feb 2003 | Eden | 3 | 1 | Slight |
| Wed 12 Feb 2003 | Middlesbrough | 2 | 1 | Slight |
| Thu 13 Feb 2003 | Stockton-on-Tees | 2 | 1 | Slight |
| Fri 14 Feb 2003 | Eden | 3 | 3 | Serious |
| Sat 15 Feb 2003 | Eden | 3 | 1 | Slight |
| Fri 21 Feb 2003 | Eden | 2 | 4 | Slight |
| Mon 24 Feb 2003 | Stockton-on-Tees | 2 | 1 | Slight |
| Tue 25 Feb 2003 | Teesdale | 3 | 1 | Serious |
| Tue 4 Mar 2003 | Darlington | 2 | 1 | Slight |
| Tue 4 Mar 2003 | Eden | 2 | 1 | Serious |
| Tue 4 Mar 2003 | Redcar and Cleveland | 1 | 1 | Slight |
| Tue 11 Mar 2003 | Allerdale | 1 | 3 | Slight |
| Thu 13 Mar 2003 | Allerdale | 3 | 1 | Slight |
| Fri 14 Mar 2003 | Middlesbrough | 2 | 1 | Slight |
| Fri 14 Mar 2003 | Eden | 1 | 1 | Slight |
| Mon 17 Mar 2003 | Eden | 1 | 1 | Slight |
| Mon 17 Mar 2003 | Stockton-on-Tees | 3 | 2 | Slight |
| Fri 21 Mar 2003 | Eden | 2 | 1 | Slight |
| Sat 22 Mar 2003 | Stockton-on-Tees | 2 | 1 | Slight |
| Sun 23 Mar 2003 | Richmondshire | 1 | 1 | Serious |
| Mon 24 Mar 2003 | Richmondshire | 2 | 1 | Slight |
| Mon 24 Mar 2003 | Richmondshire | 2 | 1 | Slight |
| Mon 24 Mar 2003 | Eden | 1 | 1 | Serious |
| Wed 26 Mar 2003 | Allerdale | 2 | 1 | Slight |
| Wed 26 Mar 2003 | Eden | 2 | 3 | Slight |
| Fri 28 Mar 2003 | Middlesbrough | 2 | 1 | Slight |
| Mon 31 Mar 2003 | Stockton-on-Tees | 2 | 1 | Slight |
| Thu 3 Apr 2003 | Middlesbrough | 1 | 1 | Slight |
| Sat 5 Apr 2003 | Eden | 2 | 1 | Serious |
| Sun 6 Apr 2003 | Carlisle | 2 | 1 | Slight |
| Mon 7 Apr 2003 | Allerdale | 2 | 1 | Slight |
| Wed 9 Apr 2003 | Stockton-on-Tees | 3 | 1 | Slight |
| Thu 10 Apr 2003 | Middlesbrough | 2 | 2 | Slight |
| Thu 10 Apr 2003 | Middlesbrough | 2 | 1 | Slight |
| Fri 11 Apr 2003 | Eden | 2 | 2 | Slight |
| Sat 12 Apr 2003 | Allerdale | 2 | 1 | Slight |
| Mon 14 Apr 2003 | Allerdale | 1 | 1 | Slight |
| Mon 14 Apr 2003 | Eden | 2 | 2 | Slight |
| Tue 15 Apr 2003 | Teesdale | 2 | 2 | Serious |
| Thu 17 Apr 2003 | Eden | 2 | 1 | Slight |
| Sat 19 Apr 2003 | Richmondshire | 1 | 1 | Slight |
| Sat 19 Apr 2003 | Richmondshire | 3 | 3 | Slight |
| Tue 22 Apr 2003 | Middlesbrough | 2 | 1 | Slight |
| Tue 22 Apr 2003 | Allerdale | 1 | 1 | Slight |
| Tue 22 Apr 2003 | Allerdale | 2 | 1 | Serious |
| Fri 25 Apr 2003 | Eden | 2 | 1 | Slight |
| Sat 26 Apr 2003 | Eden | 2 | 1 | Serious |
| Mon 28 Apr 2003 | Allerdale | 1 | 1 | Slight |
| Tue 29 Apr 2003 | Eden | 2 | 1 | Slight |
| Wed 30 Apr 2003 | Eden | 3 | 1 | Slight |
| Fri 2 May 2003 | Middlesbrough | 2 | 3 | Slight |
| Tue 6 May 2003 | Eden | 2 | 1 | Slight |
| Tue 6 May 2003 | Middlesbrough | 4 | 2 | Slight |
| Fri 9 May 2003 | Middlesbrough | 2 | 1 | Slight |
| Fri 9 May 2003 | Allerdale | 2 | 2 | Slight |
| Mon 19 May 2003 | Allerdale | 2 | 1 | Slight |
| Wed 21 May 2003 | Stockton-on-Tees | 2 | 2 | Slight |
| Wed 21 May 2003 | Eden | 2 | 3 | Fatal |
| Wed 21 May 2003 | Eden | 2 | 2 | Slight |
| Wed 21 May 2003 | Eden | 1 | 1 | Slight |
| Thu 22 May 2003 | Richmondshire | 2 | 2 | Fatal |
| Fri 23 May 2003 | Eden | 3 | 1 | Slight |
| Fri 23 May 2003 | Middlesbrough | 2 | 2 | Slight |
| Fri 23 May 2003 | Stockton-on-Tees | 2 | 2 | Slight |
| Sun 25 May 2003 | Allerdale | 2 | 2 | Serious |
| Tue 27 May 2003 | Eden | 2 | 2 | Slight |
| Sat 31 May 2003 | Allerdale | 2 | 2 | Serious |
| Sat 31 May 2003 | Eden | 3 | 1 | Slight |
| Mon 2 Jun 2003 | Middlesbrough | 3 | 3 | Slight |
| Sun 8 Jun 2003 | Middlesbrough | 1 | 1 | Slight |
| Tue 10 Jun 2003 | Eden | 2 | 2 | Fatal |
| Thu 12 Jun 2003 | Eden | 2 | 1 | Slight |
| Fri 13 Jun 2003 | Allerdale | 2 | 2 | Slight |
| Fri 13 Jun 2003 | Allerdale | 1 | 2 | Slight |
| Fri 13 Jun 2003 | Stockton-on-Tees | 1 | 4 | Slight |
| Thu 19 Jun 2003 | Richmondshire | 1 | 3 | Slight |
| Sat 21 Jun 2003 | Darlington | 2 | 1 | Slight |
| Sat 21 Jun 2003 | Redcar and Cleveland | 3 | 1 | Slight |
| Sun 22 Jun 2003 | Allerdale | 3 | 2 | Serious |
| Mon 23 Jun 2003 | Allerdale | 2 | 2 | Slight |
| Tue 24 Jun 2003 | Middlesbrough | 2 | 1 | Slight |
| Fri 27 Jun 2003 | Eden | 2 | 5 | Slight |
| Sat 28 Jun 2003 | Middlesbrough | 1 | 1 | Serious |
| Mon 30 Jun 2003 | Richmondshire | 4 | 1 | Slight |
| Wed 2 Jul 2003 | Middlesbrough | 2 | 1 | Slight |
| Tue 8 Jul 2003 | Middlesbrough | 2 | 5 | Slight |
| Sat 12 Jul 2003 | Eden | 2 | 1 | Slight |
| Sun 13 Jul 2003 | Richmondshire | 2 | 1 | Slight |
| Sun 13 Jul 2003 | Eden | 2 | 3 | Serious |
| Wed 16 Jul 2003 | Stockton-on-Tees | 1 | 2 | Fatal |
| Sat 19 Jul 2003 | Allerdale | 2 | 1 | Slight |
| Sun 20 Jul 2003 | Eden | 2 | 1 | Slight |
| Mon 21 Jul 2003 | Eden | 3 | 5 | Fatal |
| Tue 22 Jul 2003 | Allerdale | 2 | 2 | Slight |
| Sun 27 Jul 2003 | Middlesbrough | 2 | 1 | Slight |
| Mon 28 Jul 2003 | Darlington | 1 | 2 | Slight |
| Mon 4 Aug 2003 | Eden | 2 | 2 | Slight |
| Mon 4 Aug 2003 | Stockton-on-Tees | 4 | 3 | Slight |
| Fri 8 Aug 2003 | Teesdale | 2 | 3 | Serious |
| Fri 8 Aug 2003 | Eden | 2 | 2 | Slight |
| Sat 9 Aug 2003 | Middlesbrough | 2 | 1 | Slight |
| Sat 9 Aug 2003 | Eden | 3 | 2 | Serious |
| Sun 10 Aug 2003 | Richmondshire | 5 | 3 | Slight |
| Mon 11 Aug 2003 | Carlisle | 2 | 1 | Slight |
| Mon 11 Aug 2003 | Richmondshire | 2 | 1 | Slight |
| Wed 13 Aug 2003 | Eden | 4 | 6 | Serious |
| Wed 13 Aug 2003 | Middlesbrough | 2 | 1 | Slight |
| Thu 14 Aug 2003 | Middlesbrough | 2 | 1 | Slight |
| Thu 14 Aug 2003 | Richmondshire | 3 | 1 | Serious |
| Thu 14 Aug 2003 | Darlington | 2 | 1 | Slight |
| Fri 15 Aug 2003 | Eden | 4 | 1 | Slight |
| Sat 16 Aug 2003 | Eden | 1 | 3 | Serious |
| Tue 19 Aug 2003 | Eden | 2 | 1 | Slight |
| Tue 19 Aug 2003 | Eden | 2 | 1 | Slight |
| Wed 20 Aug 2003 | Middlesbrough | 2 | 1 | Serious |
| Fri 22 Aug 2003 | Allerdale | 4 | 1 | Slight |
| Fri 22 Aug 2003 | Richmondshire | 2 | 1 | Slight |
| Fri 22 Aug 2003 | Richmondshire | 2 | 1 | Slight |
| Sat 23 Aug 2003 | Teesdale | 3 | 5 | Slight |
| Sun 24 Aug 2003 | Eden | 2 | 2 | Slight |
| Mon 25 Aug 2003 | Stockton-on-Tees | 2 | 1 | Slight |
| Tue 26 Aug 2003 | Richmondshire | 2 | 1 | Slight |
| Tue 26 Aug 2003 | Eden | 2 | 1 | Slight |
| Fri 29 Aug 2003 | Richmondshire | 3 | 1 | Slight |
| Sun 31 Aug 2003 | Stockton-on-Tees | 2 | 1 | Serious |
| Mon 1 Sep 2003 | Middlesbrough | 2 | 4 | Slight |
| Fri 5 Sep 2003 | Richmondshire | 2 | 1 | Slight |
| Sat 6 Sep 2003 | Stockton-on-Tees | 2 | 1 | Slight |
| Mon 8 Sep 2003 | Allerdale | 3 | 1 | Slight |
| Mon 8 Sep 2003 | Allerdale | 1 | 1 | Serious |
| Tue 9 Sep 2003 | Allerdale | 2 | 1 | Slight |
| Wed 10 Sep 2003 | Richmondshire | 1 | 1 | Serious |
| Tue 16 Sep 2003 | Bolton | 2 | 1 | Slight |
| Wed 17 Sep 2003 | Stockton-on-Tees | 2 | 1 | Slight |
| Tue 23 Sep 2003 | Eden | 4 | 2 | Slight |
| Tue 23 Sep 2003 | Eden | 2 | 2 | Slight |
| Thu 25 Sep 2003 | Eden | 3 | 2 | Slight |
| Sat 27 Sep 2003 | Stockton-on-Tees | 2 | 1 | Slight |
| Sat 27 Sep 2003 | Middlesbrough | 1 | 1 | Serious |
| Sat 27 Sep 2003 | Allerdale | 2 | 2 | Slight |
| Wed 1 Oct 2003 | Redcar and Cleveland | 1 | 1 | Serious |
| Tue 7 Oct 2003 | Teesdale | 3 | 3 | Fatal |
| Tue 7 Oct 2003 | Eden | 2 | 1 | Slight |
| Wed 8 Oct 2003 | Darlington | 2 | 1 | Slight |
| Sat 11 Oct 2003 | Middlesbrough | 1 | 3 | Slight |
| Sun 12 Oct 2003 | Middlesbrough | 2 | 1 | Slight |
| Thu 16 Oct 2003 | Eden | 2 | 1 | Slight |
| Fri 17 Oct 2003 | Teesdale | 2 | 2 | Slight |
| Sat 18 Oct 2003 | Middlesbrough | 2 | 1 | Slight |
| Sat 18 Oct 2003 | Middlesbrough | 2 | 2 | Slight |
| Mon 20 Oct 2003 | Allerdale | 2 | 2 | Slight |
| Wed 22 Oct 2003 | Eden | 1 | 1 | Slight |
| Wed 22 Oct 2003 | Darlington | 4 | 3 | Serious |
| Thu 23 Oct 2003 | Stockton-on-Tees | 3 | 2 | Slight |
| Thu 23 Oct 2003 | Eden | 1 | 2 | Slight |
| Thu 23 Oct 2003 | Eden | 1 | 2 | Slight |
| Sun 26 Oct 2003 | Middlesbrough | 2 | 1 | Slight |
| Mon 27 Oct 2003 | Middlesbrough | 2 | 1 | Slight |
| Mon 27 Oct 2003 | Middlesbrough | 4 | 1 | Slight |
| Wed 29 Oct 2003 | Darlington | 1 | 1 | Slight |
| Fri 31 Oct 2003 | Allerdale | 2 | 1 | Slight |
| Sat 1 Nov 2003 | Middlesbrough | 2 | 3 | Slight |
| Mon 3 Nov 2003 | Stockton-on-Tees | 2 | 1 | Slight |
| Tue 4 Nov 2003 | Carlisle | 2 | 1 | Slight |
| Fri 7 Nov 2003 | Stockton-on-Tees | 2 | 2 | Slight |
| Sat 8 Nov 2003 | Stockton-on-Tees | 2 | 1 | Slight |
| Mon 10 Nov 2003 | Middlesbrough | 2 | 1 | Slight |
| Sat 15 Nov 2003 | Darlington | 2 | 1 | Slight |
| Mon 17 Nov 2003 | Eden | 2 | 1 | Slight |
| Sun 23 Nov 2003 | Carlisle | 2 | 1 | Slight |
| Sun 23 Nov 2003 | Carlisle | 2 | 1 | Slight |
| Mon 24 Nov 2003 | Middlesbrough | 1 | 1 | Serious |
| Thu 27 Nov 2003 | Middlesbrough | 2 | 2 | Slight |
| Sat 29 Nov 2003 | Teesdale | 2 | 1 | Slight |
| Fri 5 Dec 2003 | Allerdale | 3 | 1 | Fatal |
| Thu 11 Dec 2003 | Middlesbrough | 2 | 1 | Slight |
| Fri 12 Dec 2003 | Allerdale | 1 | 1 | Slight |
| Mon 15 Dec 2003 | Eden | 3 | 2 | Slight |
| Wed 17 Dec 2003 | Stockton-on-Tees | 2 | 1 | Slight |
| Wed 17 Dec 2003 | Allerdale | 2 | 1 | Slight |
| Fri 19 Dec 2003 | Redcar and Cleveland | 1 | 1 | Serious |
| Sat 20 Dec 2003 | Darlington | 3 | 1 | Slight |
| Sat 20 Dec 2003 | Eden | 1 | 1 | Slight |
| Sat 20 Dec 2003 | Eden | 1 | 1 | Slight |
| Sat 20 Dec 2003 | Middlesbrough | 3 | 2 | Slight |
| Mon 22 Dec 2003 | Eden | 2 | 1 | Slight |
| Tue 23 Dec 2003 | Stockton-on-Tees | 2 | 1 | Slight |
| Thu 25 Dec 2003 | Allerdale | 2 | 2 | Serious |
| Fri 26 Dec 2003 | Stockton-on-Tees | 2 | 1 | Slight |
| Sat 27 Dec 2003 | Middlesbrough | 2 | 1 | Slight |
| Mon 29 Dec 2003 | Middlesbrough | 1 | 2 | Slight |