Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Tue 1 Jan 1991 | Darlington | 2 | 3 | Slight |
| Sun 6 Jan 1991 | Teesdale | 1 | 6 | Slight |
| Sun 6 Jan 1991 | Allerdale | 2 | 4 | Serious |
| Mon 7 Jan 1991 | Middlesbrough | 2 | 1 | Slight |
| Mon 7 Jan 1991 | Middlesbrough | 2 | 1 | Slight |
| Mon 7 Jan 1991 | Middlesbrough | 2 | 1 | Slight |
| Fri 11 Jan 1991 | Middlesbrough | 1 | 1 | Slight |
| Fri 11 Jan 1991 | Redcar and Cleveland | 2 | 1 | Slight |
| Sat 12 Jan 1991 | Eden | 1 | 1 | Slight |
| Tue 15 Jan 1991 | Teesdale | 2 | 2 | Slight |
| Wed 16 Jan 1991 | Redcar and Cleveland | 1 | 2 | Slight |
| Wed 16 Jan 1991 | Eden | 2 | 1 | Slight |
| Thu 17 Jan 1991 | Teesdale | 1 | 1 | Slight |
| Thu 17 Jan 1991 | Teesdale | 2 | 1 | Fatal |
| Thu 17 Jan 1991 | Darlington | 1 | 2 | Slight |
| Fri 18 Jan 1991 | Richmondshire | 4 | 1 | Fatal |
| Fri 18 Jan 1991 | Richmondshire | 2 | 2 | Serious |
| Mon 21 Jan 1991 | Allerdale | 2 | 1 | Slight |
| Tue 22 Jan 1991 | Middlesbrough | 4 | 1 | Slight |
| Tue 22 Jan 1991 | Eden | 1 | 1 | Serious |
| Tue 22 Jan 1991 | Middlesbrough | 3 | 1 | Slight |
| Thu 24 Jan 1991 | Redcar and Cleveland | 2 | 1 | Slight |
| Fri 25 Jan 1991 | Middlesbrough | 2 | 1 | Slight |
| Mon 28 Jan 1991 | Eden | 2 | 1 | Slight |
| Thu 31 Jan 1991 | Stockton-on-Tees | 2 | 1 | Slight |
| Thu 31 Jan 1991 | Eden | 2 | 1 | Slight |
| Fri 1 Feb 1991 | Teesdale | 2 | 4 | Serious |
| Fri 1 Feb 1991 | Eden | 3 | 2 | Fatal |
| Sun 3 Feb 1991 | Middlesbrough | 2 | 2 | Serious |
| Tue 12 Feb 1991 | Allerdale | 1 | 2 | Slight |
| Sat 16 Feb 1991 | Middlesbrough | 1 | 1 | Slight |
| Sun 17 Feb 1991 | Eden | 1 | 1 | Slight |
| Sun 17 Feb 1991 | Eden | 2 | 1 | Slight |
| Fri 22 Feb 1991 | Teesdale | 1 | 1 | Serious |
| Sat 23 Feb 1991 | Teesdale | 1 | 2 | Slight |
| Sat 23 Feb 1991 | Eden | 1 | 5 | Slight |
| Sat 23 Feb 1991 | Eden | 1 | 5 | Slight |
| Wed 27 Feb 1991 | Teesdale | 3 | 3 | Slight |
| Thu 28 Feb 1991 | Redcar and Cleveland | 1 | 1 | Slight |
| Thu 28 Feb 1991 | Allerdale | 1 | 2 | Serious |
| Sun 3 Mar 1991 | Allerdale | 1 | 2 | Fatal |
| Sun 3 Mar 1991 | Teesdale | 3 | 2 | Slight |
| Sun 3 Mar 1991 | Teesdale | 1 | 1 | Slight |
| Mon 4 Mar 1991 | Darlington | 1 | 2 | Fatal |
| Wed 6 Mar 1991 | Teesdale | 2 | 1 | Slight |
| Thu 7 Mar 1991 | Stockton-on-Tees | 38 | 16 | Slight |
| Fri 8 Mar 1991 | Teesdale | 3 | 1 | Slight |
| Wed 13 Mar 1991 | Middlesbrough | 2 | 1 | Slight |
| Sat 16 Mar 1991 | Eden | 1 | 2 | Slight |
| Sun 17 Mar 1991 | Stockton-on-Tees | 2 | 1 | Serious |
| Mon 18 Mar 1991 | Eden | 1 | 1 | Slight |
| Tue 19 Mar 1991 | Eden | 1 | 1 | Slight |
| Fri 22 Mar 1991 | Eden | 1 | 2 | Slight |
| Sun 24 Mar 1991 | Allerdale | 2 | 3 | Slight |
| Sun 24 Mar 1991 | Redcar and Cleveland | 1 | 1 | Slight |
| Mon 25 Mar 1991 | Redcar and Cleveland | 2 | 1 | Slight |
| Thu 28 Mar 1991 | Middlesbrough | 2 | 1 | Slight |
| Thu 28 Mar 1991 | Teesdale | 2 | 2 | Slight |
| Sun 31 Mar 1991 | Richmondshire | 1 | 2 | Serious |
| Mon 1 Apr 1991 | Richmondshire | 4 | 1 | Slight |
| Mon 1 Apr 1991 | Richmondshire | 4 | 2 | Slight |
| Tue 2 Apr 1991 | Richmondshire | 3 | 1 | Slight |
| Tue 2 Apr 1991 | Allerdale | 1 | 2 | Slight |
| Tue 2 Apr 1991 | Teesdale | 3 | 1 | Slight |
| Wed 3 Apr 1991 | Allerdale | 2 | 6 | Slight |
| Thu 4 Apr 1991 | Eden | 2 | 2 | Slight |
| Fri 5 Apr 1991 | Allerdale | 2 | 1 | Slight |
| Sun 7 Apr 1991 | Redcar and Cleveland | 1 | 2 | Slight |
| Mon 8 Apr 1991 | Eden | 4 | 2 | Slight |
| Mon 8 Apr 1991 | Oldham | 2 | 1 | Slight |
| Mon 8 Apr 1991 | Middlesbrough | 2 | 1 | Slight |
| Wed 10 Apr 1991 | Eden | 2 | 1 | Slight |
| Wed 10 Apr 1991 | Middlesbrough | 2 | 1 | Slight |
| Mon 15 Apr 1991 | Middlesbrough | 2 | 2 | Slight |
| Tue 16 Apr 1991 | Darlington | 2 | 2 | Slight |
| Thu 18 Apr 1991 | Eden | 2 | 1 | Slight |
| Fri 19 Apr 1991 | Middlesbrough | 2 | 1 | Slight |
| Fri 19 Apr 1991 | Redcar and Cleveland | 1 | 1 | Slight |
| Thu 25 Apr 1991 | Darlington | 1 | 1 | Slight |
| Tue 30 Apr 1991 | Middlesbrough | 2 | 1 | Fatal |
| Thu 2 May 1991 | Middlesbrough | 2 | 1 | Slight |
| Thu 2 May 1991 | Darlington | 4 | 3 | Slight |
| Thu 2 May 1991 | Stockton-on-Tees | 1 | 1 | Slight |
| Thu 2 May 1991 | Darlington | 2 | 1 | Serious |
| Fri 3 May 1991 | Eden | 2 | 1 | Slight |
| Fri 3 May 1991 | Eden | 2 | 1 | Slight |
| Sun 5 May 1991 | Eden | 1 | 1 | Slight |
| Tue 7 May 1991 | Darlington | 3 | 1 | Slight |
| Tue 7 May 1991 | Darlington | 3 | 1 | Slight |
| Tue 7 May 1991 | Stockton-on-Tees | 1 | 1 | Serious |
| Sun 12 May 1991 | Allerdale | 1 | 3 | Slight |
| Sun 12 May 1991 | Eden | 1 | 1 | Slight |
| Tue 14 May 1991 | Richmondshire | 1 | 2 | Slight |
| Thu 16 May 1991 | Richmondshire | 1 | 1 | Slight |
| Thu 23 May 1991 | Teesdale | 3 | 1 | Slight |
| Sat 25 May 1991 | Eden | 2 | 1 | Slight |
| Sun 26 May 1991 | Eden | 2 | 1 | Slight |
| Tue 28 May 1991 | Allerdale | 2 | 1 | Serious |
| Wed 29 May 1991 | Eden | 2 | 2 | Slight |
| Sat 1 Jun 1991 | Allerdale | 1 | 1 | Serious |
| Sat 1 Jun 1991 | Stockton-on-Tees | 1 | 1 | Slight |
| Sun 2 Jun 1991 | Darlington | 2 | 1 | Serious |
| Sun 2 Jun 1991 | Richmondshire | 1 | 1 | Serious |
| Mon 3 Jun 1991 | Stockton-on-Tees | 1 | 2 | Serious |
| Mon 3 Jun 1991 | Darlington | 1 | 1 | Slight |
| Tue 4 Jun 1991 | Middlesbrough | 4 | 1 | Slight |
| Wed 5 Jun 1991 | Eden | 1 | 1 | Serious |
| Sat 8 Jun 1991 | Darlington | 1 | 1 | Slight |
| Sun 9 Jun 1991 | Allerdale | 1 | 2 | Serious |
| Sun 9 Jun 1991 | Eden | 5 | 3 | Slight |
| Sun 9 Jun 1991 | Teesdale | 1 | 1 | Slight |
| Tue 11 Jun 1991 | Middlesbrough | 2 | 1 | Slight |
| Fri 14 Jun 1991 | Eden | 1 | 5 | Serious |
| Sun 16 Jun 1991 | Allerdale | 2 | 3 | Slight |
| Thu 20 Jun 1991 | Middlesbrough | 3 | 1 | Slight |
| Fri 21 Jun 1991 | Teesdale | 4 | 3 | Slight |
| Wed 26 Jun 1991 | Eden | 1 | 1 | Slight |
| Thu 27 Jun 1991 | Eden | 2 | 1 | Slight |
| Sun 30 Jun 1991 | Allerdale | 1 | 1 | Slight |
| Sun 30 Jun 1991 | Eden | 2 | 1 | Slight |
| Sun 30 Jun 1991 | Allerdale | 1 | 1 | Slight |
| Mon 1 Jul 1991 | Eden | 1 | 1 | Slight |
| Mon 1 Jul 1991 | Teesdale | 4 | 3 | Serious |
| Mon 1 Jul 1991 | Eden | 3 | 3 | Slight |
| Mon 1 Jul 1991 | Darlington | 2 | 1 | Serious |
| Tue 2 Jul 1991 | Allerdale | 2 | 1 | Slight |
| Wed 3 Jul 1991 | Teesdale | 3 | 1 | Slight |
| Wed 3 Jul 1991 | Stockton-on-Tees | 2 | 1 | Slight |
| Sat 6 Jul 1991 | Teesdale | 1 | 2 | Slight |
| Tue 9 Jul 1991 | Eden | 1 | 1 | Slight |
| Wed 10 Jul 1991 | Teesdale | 2 | 1 | Slight |
| Sun 14 Jul 1991 | Eden | 1 | 4 | Fatal |
| Mon 15 Jul 1991 | Middlesbrough | 1 | 1 | Slight |
| Mon 22 Jul 1991 | Eden | 1 | 1 | Slight |
| Tue 23 Jul 1991 | Middlesbrough | 1 | 1 | Slight |
| Wed 24 Jul 1991 | Stockton-on-Tees | 2 | 1 | Slight |
| Wed 24 Jul 1991 | Teesdale | 2 | 3 | Slight |
| Wed 24 Jul 1991 | Eden | 2 | 2 | Serious |
| Thu 25 Jul 1991 | Richmondshire | 2 | 1 | Slight |
| Sun 28 Jul 1991 | Allerdale | 2 | 3 | Serious |
| Wed 31 Jul 1991 | Middlesbrough | 2 | 1 | Slight |
| Wed 31 Jul 1991 | Richmondshire | 2 | 1 | Slight |
| Sun 4 Aug 1991 | Teesdale | 2 | 1 | Slight |
| Sun 4 Aug 1991 | Eden | 2 | 1 | Slight |
| Mon 5 Aug 1991 | Allerdale | 2 | 3 | Slight |
| Tue 6 Aug 1991 | Eden | 2 | 2 | Fatal |
| Wed 7 Aug 1991 | Eden | 2 | 2 | Serious |
| Fri 9 Aug 1991 | Eden | 3 | 1 | Slight |
| Fri 9 Aug 1991 | Eden | 2 | 1 | Slight |
| Sat 10 Aug 1991 | Teesdale | 3 | 1 | Slight |
| Sat 10 Aug 1991 | Eden | 3 | 1 | Slight |
| Tue 13 Aug 1991 | Richmondshire | 2 | 4 | Serious |
| Wed 14 Aug 1991 | Eden | 1 | 2 | Slight |
| Wed 14 Aug 1991 | Eden | 2 | 1 | Slight |
| Fri 16 Aug 1991 | Allerdale | 1 | 1 | Serious |
| Fri 16 Aug 1991 | Allerdale | 2 | 2 | Slight |
| Sat 17 Aug 1991 | Eden | 2 | 1 | Slight |
| Sat 17 Aug 1991 | Middlesbrough | 2 | 1 | Slight |
| Sat 17 Aug 1991 | Eden | 1 | 1 | Slight |
| Sat 17 Aug 1991 | Eden | 2 | 7 | Fatal |
| Sun 18 Aug 1991 | Allerdale | 4 | 2 | Slight |
| Mon 19 Aug 1991 | Eden | 2 | 1 | Fatal |
| Tue 20 Aug 1991 | Middlesbrough | 3 | 3 | Slight |
| Tue 20 Aug 1991 | Allerdale | 2 | 2 | Slight |
| Wed 21 Aug 1991 | Eden | 1 | 2 | Slight |
| Thu 22 Aug 1991 | Richmondshire | 4 | 3 | Serious |
| Fri 23 Aug 1991 | Richmondshire | 2 | 4 | Slight |
| Sat 24 Aug 1991 | Allerdale | 2 | 1 | Slight |
| Mon 26 Aug 1991 | Redcar and Cleveland | 1 | 1 | Slight |
| Tue 27 Aug 1991 | Stockton-on-Tees | 2 | 1 | Slight |
| Fri 30 Aug 1991 | Middlesbrough | 2 | 2 | Serious |
| Mon 2 Sep 1991 | Allerdale | 2 | 1 | Serious |
| Tue 3 Sep 1991 | Middlesbrough | 1 | 1 | Slight |
| Wed 4 Sep 1991 | Middlesbrough | 2 | 1 | Slight |
| Wed 4 Sep 1991 | Allerdale | 3 | 2 | Slight |
| Thu 5 Sep 1991 | Eden | 1 | 2 | Serious |
| Wed 11 Sep 1991 | Eden | 2 | 1 | Slight |
| Wed 11 Sep 1991 | Teesdale | 2 | 1 | Slight |
| Wed 11 Sep 1991 | Teesdale | 2 | 1 | Slight |
| Thu 12 Sep 1991 | Middlesbrough | 2 | 1 | Slight |
| Sat 14 Sep 1991 | Allerdale | 2 | 1 | Slight |
| Mon 16 Sep 1991 | Richmondshire | 2 | 1 | Slight |
| Wed 18 Sep 1991 | Eden | 1 | 2 | Slight |
| Fri 20 Sep 1991 | Eden | 3 | 2 | Fatal |
| Sun 22 Sep 1991 | Allerdale | 1 | 1 | Slight |
| Sun 22 Sep 1991 | Allerdale | 2 | 2 | Slight |
| Sun 22 Sep 1991 | Allerdale | 2 | 2 | Slight |
| Mon 23 Sep 1991 | Richmondshire | 1 | 1 | Serious |
| Tue 24 Sep 1991 | Eden | 1 | 2 | Slight |
| Tue 24 Sep 1991 | Allerdale | 2 | 1 | Slight |
| Thu 26 Sep 1991 | Darlington | 1 | 1 | Slight |
| Fri 27 Sep 1991 | Richmondshire | 3 | 1 | Slight |
| Mon 30 Sep 1991 | Allerdale | 2 | 1 | Slight |
| Wed 2 Oct 1991 | Redcar and Cleveland | 2 | 1 | Slight |
| Thu 3 Oct 1991 | Middlesbrough | 2 | 2 | Slight |
| Fri 4 Oct 1991 | Eden | 2 | 1 | Fatal |
| Sun 6 Oct 1991 | Allerdale | 1 | 2 | Fatal |
| Tue 8 Oct 1991 | Richmondshire | 3 | 4 | Serious |
| Wed 16 Oct 1991 | Middlesbrough | 1 | 1 | Serious |
| Wed 23 Oct 1991 | Redcar and Cleveland | 2 | 1 | Slight |
| Fri 25 Oct 1991 | Darlington | 1 | 1 | Slight |
| Sat 26 Oct 1991 | Eden | 1 | 1 | Slight |
| Sun 27 Oct 1991 | Stockton-on-Tees | 2 | 1 | Slight |
| Mon 28 Oct 1991 | Teesdale | 2 | 1 | Slight |
| Tue 29 Oct 1991 | Teesdale | 2 | 2 | Serious |
| Wed 30 Oct 1991 | Darlington | 2 | 1 | Slight |
| Thu 31 Oct 1991 | Middlesbrough | 2 | 2 | Serious |
| Thu 31 Oct 1991 | Eden | 2 | 1 | Slight |
| Sat 2 Nov 1991 | Stockton-on-Tees | 2 | 2 | Slight |
| Sun 3 Nov 1991 | Richmondshire | 2 | 1 | Serious |
| Sun 3 Nov 1991 | Eden | 2 | 1 | Slight |
| Wed 6 Nov 1991 | Eden | 2 | 1 | Slight |
| Wed 6 Nov 1991 | Middlesbrough | 4 | 1 | Slight |
| Wed 6 Nov 1991 | Eden | 1 | 1 | Slight |
| Thu 7 Nov 1991 | Allerdale | 3 | 1 | Slight |
| Sun 10 Nov 1991 | Redcar and Cleveland | 1 | 1 | Slight |
| Sun 10 Nov 1991 | Teesdale | 1 | 1 | Slight |
| Wed 13 Nov 1991 | Middlesbrough | 2 | 1 | Slight |
| Thu 14 Nov 1991 | Allerdale | 2 | 2 | Slight |
| Fri 15 Nov 1991 | Allerdale | 2 | 2 | Fatal |
| Sat 16 Nov 1991 | Richmondshire | 3 | 2 | Slight |
| Sat 16 Nov 1991 | Allerdale | 3 | 5 | Slight |
| Sun 17 Nov 1991 | Stockton-on-Tees | 3 | 1 | Slight |
| Tue 19 Nov 1991 | Stockton-on-Tees | 2 | 1 | Slight |
| Wed 20 Nov 1991 | Stockton-on-Tees | 2 | 2 | Slight |
| Wed 20 Nov 1991 | Eden | 3 | 1 | Slight |
| Sat 23 Nov 1991 | Middlesbrough | 2 | 1 | Slight |
| Tue 26 Nov 1991 | Eden | 4 | 1 | Slight |
| Tue 26 Nov 1991 | Darlington | 2 | 3 | Slight |
| Wed 27 Nov 1991 | Allerdale | 1 | 1 | Slight |
| Wed 27 Nov 1991 | Stockton-on-Tees | 3 | 1 | Slight |
| Sat 30 Nov 1991 | Richmondshire | 1 | 1 | Slight |
| Tue 3 Dec 1991 | Stockton-on-Tees | 3 | 1 | Slight |
| Wed 4 Dec 1991 | Darlington | 2 | 1 | Slight |
| Wed 4 Dec 1991 | Stockton-on-Tees | 2 | 1 | Serious |
| Tue 10 Dec 1991 | Darlington | 3 | 2 | Slight |
| Wed 11 Dec 1991 | Middlesbrough | 1 | 1 | Slight |
| Thu 12 Dec 1991 | Richmondshire | 4 | 1 | Slight |
| Sat 14 Dec 1991 | Eden | 1 | 2 | Slight |
| Sun 15 Dec 1991 | Darlington | 2 | 1 | Serious |
| Wed 18 Dec 1991 | Eden | 2 | 2 | Serious |
| Thu 19 Dec 1991 | Middlesbrough | 2 | 1 | Slight |
| Thu 19 Dec 1991 | Redcar and Cleveland | 2 | 1 | Serious |
| Thu 19 Dec 1991 | Redcar and Cleveland | 2 | 2 | Slight |
| Thu 19 Dec 1991 | Redcar and Cleveland | 2 | 1 | Slight |
| Fri 20 Dec 1991 | Redcar and Cleveland | 1 | 2 | Slight |
| Sun 22 Dec 1991 | Allerdale | 1 | 2 | Slight |
| Mon 23 Dec 1991 | Middlesbrough | 3 | 2 | Slight |
| Mon 23 Dec 1991 | Stockton-on-Tees | 2 | 2 | Slight |
| Fri 27 Dec 1991 | Teesdale | 3 | 4 | Slight |
| Sun 29 Dec 1991 | Eden | 5 | 1 | Slight |
| Mon 30 Dec 1991 | Allerdale | 2 | 3 | Serious |