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