Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Wed 2 Jan 1985 | Teesdale | 1 | 1 | Slight |
| Fri 4 Jan 1985 | Allerdale | 2 | 3 | Slight |
| Tue 8 Jan 1985 | Stockton-on-Tees | 2 | 1 | Slight |
| Tue 8 Jan 1985 | Darlington | 3 | 2 | Fatal |
| Sun 13 Jan 1985 | Stockton-on-Tees | 1 | 1 | Slight |
| Sat 19 Jan 1985 | Stockton-on-Tees | 2 | 4 | Fatal |
| Tue 22 Jan 1985 | Middlesbrough | 2 | 1 | Slight |
| Wed 23 Jan 1985 | Allerdale | 1 | 1 | Slight |
| Wed 23 Jan 1985 | Darlington | 2 | 1 | Slight |
| Sat 26 Jan 1985 | Darlington | 2 | 1 | Serious |
| Sun 27 Jan 1985 | Darlington | 1 | 1 | Fatal |
| Wed 30 Jan 1985 | Allerdale | 2 | 2 | Slight |
| Wed 30 Jan 1985 | Stockton-on-Tees | 2 | 1 | Slight |
| Mon 4 Feb 1985 | Eden | 1 | 2 | Slight |
| Thu 7 Feb 1985 | Eden | 1 | 2 | Serious |
| Tue 12 Feb 1985 | Eden | 2 | 1 | Fatal |
| Wed 13 Feb 1985 | Darlington | 2 | 2 | Slight |
| Thu 14 Feb 1985 | Richmondshire | 2 | 1 | Slight |
| Fri 15 Feb 1985 | Stockton-on-Tees | 3 | 1 | Slight |
| Fri 15 Feb 1985 | Eden | 2 | 1 | Slight |
| Fri 15 Feb 1985 | Middlesbrough | 2 | 1 | Slight |
| Sat 16 Feb 1985 | Eden | 1 | 1 | Slight |
| Sat 23 Feb 1985 | Allerdale | 2 | 1 | Slight |
| Thu 28 Feb 1985 | Stockton-on-Tees | 2 | 1 | Slight |
| Sun 3 Mar 1985 | Eden | 1 | 2 | Slight |
| Fri 15 Mar 1985 | Stockton-on-Tees | 1 | 1 | Slight |
| Sat 23 Mar 1985 | Darlington | 2 | 1 | Slight |
| Mon 25 Mar 1985 | Teesdale | 2 | 1 | Serious |
| Fri 29 Mar 1985 | Eden | 4 | 1 | Slight |
| Fri 29 Mar 1985 | Teesdale | 1 | 3 | Serious |
| Mon 1 Apr 1985 | Middlesbrough | 1 | 1 | Slight |
| Thu 4 Apr 1985 | Allerdale | 2 | 1 | Serious |
| Sun 7 Apr 1985 | Darlington | 2 | 3 | Slight |
| Sun 7 Apr 1985 | Allerdale | 2 | 4 | Serious |
| Fri 12 Apr 1985 | Darlington | 1 | 1 | Serious |
| Mon 15 Apr 1985 | Eden | 3 | 2 | Serious |
| Fri 19 Apr 1985 | Darlington | 4 | 2 | Slight |
| Sat 20 Apr 1985 | Allerdale | 2 | 1 | Slight |
| Sat 20 Apr 1985 | Eden | 1 | 1 | Serious |
| Sat 20 Apr 1985 | Teesdale | 2 | 3 | Serious |
| Sun 21 Apr 1985 | Eden | 2 | 2 | Serious |
| Sun 21 Apr 1985 | Eden | 2 | 1 | Slight |
| Thu 25 Apr 1985 | Middlesbrough | 2 | 1 | Slight |
| Fri 26 Apr 1985 | Stockton-on-Tees | 2 | 1 | Slight |
| Tue 30 Apr 1985 | Eden | 2 | 1 | Slight |
| Thu 2 May 1985 | Stockton-on-Tees | 1 | 1 | Slight |
| Sat 4 May 1985 | Middlesbrough | 2 | 1 | Slight |
| Sun 5 May 1985 | Stockton-on-Tees | 2 | 2 | Slight |
| Sun 5 May 1985 | Eden | 2 | 2 | Slight |
| Sun 5 May 1985 | Eden | 2 | 2 | Slight |
| Sun 5 May 1985 | Eden | 2 | 2 | Serious |
| Mon 6 May 1985 | Middlesbrough | 1 | 1 | Slight |
| Fri 10 May 1985 | Stockton-on-Tees | 2 | 1 | Slight |
| Tue 14 May 1985 | Eden | 2 | 1 | Slight |
| Wed 15 May 1985 | Middlesbrough | 2 | 1 | Serious |
| Sat 18 May 1985 | Darlington | 2 | 1 | Slight |
| Sat 18 May 1985 | Stockton-on-Tees | 1 | 1 | Fatal |
| Thu 23 May 1985 | Middlesbrough | 1 | 1 | Serious |
| Fri 24 May 1985 | Eden | 1 | 1 | Slight |
| Fri 24 May 1985 | Eden | 1 | 1 | Slight |
| Fri 24 May 1985 | Richmondshire | 6 | 2 | Serious |
| Sun 26 May 1985 | Allerdale | 2 | 1 | Serious |
| Mon 27 May 1985 | Eden | 2 | 1 | Slight |
| Thu 30 May 1985 | Stockton-on-Tees | 2 | 2 | Slight |
| Thu 30 May 1985 | Stockton-on-Tees | 1 | 1 | Slight |
| Fri 31 May 1985 | Middlesbrough | 1 | 1 | Serious |
| Sat 1 Jun 1985 | Eden | 2 | 7 | Serious |
| Fri 7 Jun 1985 | Eden | 1 | 1 | Slight |
| Fri 14 Jun 1985 | Darlington | 1 | 1 | Slight |
| Sat 15 Jun 1985 | Eden | 1 | 2 | Fatal |
| Mon 17 Jun 1985 | Darlington | 3 | 1 | Slight |
| Tue 18 Jun 1985 | Teesdale | 6 | 2 | Slight |
| Fri 21 Jun 1985 | Eden | 1 | 1 | Slight |
| Sun 23 Jun 1985 | Allerdale | 2 | 2 | Slight |
| Mon 24 Jun 1985 | Stockton-on-Tees | 2 | 2 | Fatal |
| Mon 24 Jun 1985 | Richmondshire | 2 | 1 | Serious |
| Fri 28 Jun 1985 | Allerdale | 2 | 2 | Slight |
| Thu 4 Jul 1985 | Darlington | 1 | 1 | Serious |
| Sun 7 Jul 1985 | Allerdale | 2 | 4 | Slight |
| Fri 12 Jul 1985 | Eden | 4 | 3 | Slight |
| Fri 12 Jul 1985 | Eden | 1 | 1 | Slight |
| Sat 13 Jul 1985 | Allerdale | 2 | 1 | Slight |
| Sat 13 Jul 1985 | Eden | 2 | 3 | Slight |
| Sat 13 Jul 1985 | Allerdale | 2 | 4 | Slight |
| Sun 14 Jul 1985 | Eden | 2 | 2 | Serious |
| Thu 18 Jul 1985 | Darlington | 2 | 1 | Slight |
| Sun 21 Jul 1985 | Teesdale | 2 | 1 | Serious |
| Fri 26 Jul 1985 | Eden | 2 | 1 | Slight |
| Fri 26 Jul 1985 | Eden | 1 | 3 | Serious |
| Sat 27 Jul 1985 | Eden | 1 | 1 | Slight |
| Sun 28 Jul 1985 | Eden | 1 | 1 | Slight |
| Tue 30 Jul 1985 | Eden | 2 | 1 | Slight |
| Wed 31 Jul 1985 | Eden | 2 | 2 | Serious |
| Fri 2 Aug 1985 | Stockton-on-Tees | 2 | 1 | Slight |
| Sun 4 Aug 1985 | Allerdale | 1 | 1 | Slight |
| Sun 4 Aug 1985 | Eden | 4 | 1 | Slight |
| Fri 9 Aug 1985 | Eden | 2 | 1 | Slight |
| Mon 12 Aug 1985 | Middlesbrough | 2 | 1 | Slight |
| Wed 14 Aug 1985 | Darlington | 2 | 1 | Slight |
| Thu 15 Aug 1985 | Middlesbrough | 2 | 1 | Slight |
| Thu 15 Aug 1985 | Middlesbrough | 2 | 1 | Slight |
| Mon 19 Aug 1985 | Eden | 2 | 7 | Serious |
| Tue 20 Aug 1985 | Teesdale | 3 | 2 | Slight |
| Fri 23 Aug 1985 | Allerdale | 2 | 1 | Slight |
| Fri 23 Aug 1985 | Darlington | 2 | 1 | Slight |
| Sat 24 Aug 1985 | Richmondshire | 1 | 1 | Serious |
| Sun 25 Aug 1985 | Darlington | 1 | 1 | Slight |
| Mon 26 Aug 1985 | Eden | 2 | 1 | Slight |
| Mon 26 Aug 1985 | Eden | 2 | 1 | Slight |
| Mon 26 Aug 1985 | Eden | 1 | 3 | Slight |
| Mon 26 Aug 1985 | Richmondshire | 2 | 3 | Slight |
| Tue 27 Aug 1985 | Darlington | 1 | 1 | Serious |
| Tue 27 Aug 1985 | Eden | 1 | 1 | Slight |
| Fri 30 Aug 1985 | Darlington | 1 | 1 | Serious |
| Fri 30 Aug 1985 | Stockton-on-Tees | 2 | 1 | Slight |
| Mon 2 Sep 1985 | Stockton-on-Tees | 2 | 1 | Slight |
| Mon 2 Sep 1985 | Eden | 1 | 1 | Slight |
| Tue 3 Sep 1985 | Middlesbrough | 2 | 1 | Slight |
| Sun 8 Sep 1985 | Eden | 1 | 1 | Slight |
| Sun 8 Sep 1985 | Stockton-on-Tees | 1 | 1 | Slight |
| Sun 8 Sep 1985 | Teesdale | 2 | 1 | Slight |
| Mon 9 Sep 1985 | Teesdale | 2 | 1 | Slight |
| Mon 9 Sep 1985 | Darlington | 2 | 2 | Slight |
| Tue 17 Sep 1985 | Allerdale | 2 | 1 | Serious |
| Sun 22 Sep 1985 | Allerdale | 2 | 5 | Fatal |
| Wed 25 Sep 1985 | Darlington | 1 | 1 | Serious |
| Thu 26 Sep 1985 | Allerdale | 2 | 2 | Slight |
| Fri 27 Sep 1985 | Richmondshire | 3 | 1 | Serious |
| Mon 30 Sep 1985 | Allerdale | 2 | 1 | Slight |
| Tue 1 Oct 1985 | Darlington | 3 | 3 | Serious |
| Tue 1 Oct 1985 | Allerdale | 1 | 1 | Slight |
| Wed 2 Oct 1985 | Stockton-on-Tees | 2 | 1 | Slight |
| Thu 3 Oct 1985 | Allerdale | 2 | 1 | Slight |
| Fri 4 Oct 1985 | Teesdale | 4 | 2 | Slight |
| Sat 5 Oct 1985 | Darlington | 1 | 2 | Serious |
| Wed 9 Oct 1985 | Eden | 2 | 1 | Slight |
| Sat 12 Oct 1985 | Teesdale | 2 | 2 | Serious |
| Sat 12 Oct 1985 | Eden | 3 | 1 | Serious |
| Sat 19 Oct 1985 | Allerdale | 2 | 1 | Slight |
| Sat 19 Oct 1985 | Teesdale | 2 | 1 | Slight |
| Sat 19 Oct 1985 | Eden | 2 | 4 | Serious |
| Sun 20 Oct 1985 | Middlesbrough | 2 | 1 | Slight |
| Thu 24 Oct 1985 | Eden | 2 | 2 | Slight |
| Fri 25 Oct 1985 | Allerdale | 1 | 1 | Slight |
| Sat 26 Oct 1985 | Eden | 1 | 2 | Serious |
| Thu 31 Oct 1985 | Stockton-on-Tees | 2 | 2 | Slight |
| Fri 1 Nov 1985 | Richmondshire | 2 | 1 | Slight |
| Fri 1 Nov 1985 | Stockton-on-Tees | 2 | 1 | Slight |
| Thu 7 Nov 1985 | Eden | 1 | 1 | Slight |
| Sat 9 Nov 1985 | Darlington | 3 | 2 | Serious |
| Sat 9 Nov 1985 | Allerdale | 2 | 4 | Slight |
| Sat 9 Nov 1985 | Allerdale | 1 | 1 | Serious |
| Sun 10 Nov 1985 | Darlington | 1 | 1 | Slight |
| Tue 12 Nov 1985 | Eden | 1 | 2 | Slight |
| Wed 13 Nov 1985 | Eden | 2 | 1 | Serious |
| Fri 15 Nov 1985 | Eden | 2 | 2 | Serious |
| Sat 16 Nov 1985 | Eden | 1 | 1 | Slight |
| Sat 16 Nov 1985 | Eden | 1 | 1 | Slight |
| Sat 16 Nov 1985 | Stockton-on-Tees | 2 | 1 | Slight |
| Sun 17 Nov 1985 | Middlesbrough | 1 | 1 | Slight |
| Mon 18 Nov 1985 | Stockton-on-Tees | 2 | 1 | Slight |
| Thu 21 Nov 1985 | Eden | 2 | 1 | Slight |
| Sun 24 Nov 1985 | Eden | 1 | 1 | Slight |
| Wed 27 Nov 1985 | Allerdale | 1 | 3 | Slight |
| Thu 28 Nov 1985 | Eden | 2 | 1 | Slight |
| Thu 28 Nov 1985 | Eden | 2 | 1 | Slight |
| Fri 29 Nov 1985 | Allerdale | 1 | 1 | Slight |
| Sat 30 Nov 1985 | Stockton-on-Tees | 1 | 1 | Slight |
| Sun 1 Dec 1985 | Darlington | 1 | 1 | Slight |
| Mon 2 Dec 1985 | Darlington | 2 | 1 | Serious |
| Tue 3 Dec 1985 | Eden | 2 | 2 | Serious |
| Thu 5 Dec 1985 | Eden | 2 | 1 | Slight |
| Fri 6 Dec 1985 | Darlington | 2 | 1 | Slight |
| Sat 7 Dec 1985 | Middlesbrough | 1 | 1 | Slight |
| Sat 7 Dec 1985 | Allerdale | 2 | 1 | Slight |
| Sun 8 Dec 1985 | Eden | 1 | 3 | Slight |
| Sun 8 Dec 1985 | Eden | 2 | 6 | Slight |
| Mon 9 Dec 1985 | Darlington | 1 | 1 | Slight |
| Mon 9 Dec 1985 | Darlington | 1 | 1 | Slight |
| Thu 12 Dec 1985 | Richmondshire | 2 | 2 | Slight |
| Fri 13 Dec 1985 | Eden | 2 | 1 | Fatal |
| Sat 14 Dec 1985 | Darlington | 1 | 2 | Serious |
| Sat 14 Dec 1985 | Darlington | 1 | 2 | Serious |
| Sun 15 Dec 1985 | Middlesbrough | 1 | 1 | Serious |
| Tue 17 Dec 1985 | Darlington | 3 | 1 | Slight |
| Wed 18 Dec 1985 | Allerdale | 2 | 2 | Serious |
| Wed 18 Dec 1985 | Darlington | 2 | 1 | Serious |
| Thu 19 Dec 1985 | Eden | 2 | 2 | Serious |
| Thu 19 Dec 1985 | Darlington | 1 | 1 | Serious |
| Thu 19 Dec 1985 | Darlington | 1 | 1 | Slight |
| Thu 19 Dec 1985 | Darlington | 1 | 1 | Slight |
| Fri 20 Dec 1985 | Darlington | 2 | 1 | Serious |
| Sat 21 Dec 1985 | Stockton-on-Tees | 1 | 1 | Slight |
| Sat 21 Dec 1985 | Eden | 1 | 1 | Slight |
| Sat 21 Dec 1985 | Darlington | 1 | 1 | Serious |
| Sat 21 Dec 1985 | Allerdale | 2 | 1 | Slight |
| Mon 23 Dec 1985 | Darlington | 2 | 1 | Serious |
| Tue 24 Dec 1985 | Darlington | 1 | 2 | Slight |
| Tue 24 Dec 1985 | Eden | 2 | 1 | Slight |
| Tue 24 Dec 1985 | Darlington | 1 | 3 | Serious |
| Tue 24 Dec 1985 | Darlington | 1 | 3 | Serious |
| Wed 25 Dec 1985 | Middlesbrough | 1 | 1 | Serious |
| Thu 26 Dec 1985 | Darlington | 2 | 3 | Serious |
| Fri 27 Dec 1985 | Stockton-on-Tees | 1 | 1 | Slight |
| Tue 31 Dec 1985 | Darlington | 1 | 1 | Serious |
| Tue 31 Dec 1985 | Darlington | 1 | 1 | Serious |