Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Fri 1 Jan 1988 | Middlesbrough | 1 | 1 | Slight |
| Mon 4 Jan 1988 | Middlesbrough | 2 | 2 | Slight |
| Wed 6 Jan 1988 | Middlesbrough | 2 | 1 | Slight |
| Sat 9 Jan 1988 | Middlesbrough | 2 | 1 | Slight |
| Sun 10 Jan 1988 | Middlesbrough | 2 | 1 | Slight |
| Mon 11 Jan 1988 | Middlesbrough | 3 | 1 | Slight |
| Mon 11 Jan 1988 | Hambleton | 2 | 3 | Serious |
| Wed 13 Jan 1988 | Middlesbrough | 1 | 1 | Serious |
| Sat 16 Jan 1988 | Middlesbrough | 2 | 2 | Slight |
| Sat 16 Jan 1988 | Middlesbrough | 2 | 1 | Slight |
| Fri 22 Jan 1988 | Middlesbrough | 1 | 1 | Serious |
| Sat 23 Jan 1988 | Middlesbrough | 1 | 1 | Slight |
| Tue 26 Jan 1988 | Middlesbrough | 1 | 1 | Slight |
| Fri 5 Feb 1988 | Middlesbrough | 2 | 4 | Slight |
| Fri 5 Feb 1988 | Middlesbrough | 1 | 1 | Slight |
| Thu 11 Feb 1988 | Middlesbrough | 3 | 1 | Slight |
| Mon 15 Feb 1988 | Middlesbrough | 1 | 1 | Slight |
| Wed 17 Feb 1988 | Middlesbrough | 2 | 1 | Slight |
| Thu 18 Feb 1988 | Middlesbrough | 1 | 1 | Serious |
| Fri 26 Feb 1988 | Middlesbrough | 3 | 1 | Slight |
| Sat 27 Feb 1988 | Middlesbrough | 2 | 1 | Slight |
| Wed 2 Mar 1988 | Middlesbrough | 2 | 3 | Slight |
| Thu 3 Mar 1988 | Middlesbrough | 2 | 1 | Slight |
| Tue 8 Mar 1988 | Middlesbrough | 1 | 1 | Slight |
| Tue 8 Mar 1988 | Middlesbrough | 2 | 1 | Slight |
| Fri 11 Mar 1988 | Middlesbrough | 2 | 1 | Slight |
| Wed 16 Mar 1988 | Middlesbrough | 2 | 1 | Slight |
| Thu 17 Mar 1988 | Middlesbrough | 1 | 1 | Slight |
| Thu 31 Mar 1988 | Middlesbrough | 2 | 2 | Slight |
| Thu 7 Apr 1988 | Middlesbrough | 3 | 1 | Slight |
| Wed 20 Apr 1988 | Middlesbrough | 2 | 1 | Slight |
| Tue 26 Apr 1988 | Middlesbrough | 2 | 3 | Slight |
| Sun 8 May 1988 | Middlesbrough | 1 | 1 | Slight |
| Sat 14 May 1988 | Middlesbrough | 2 | 1 | Slight |
| Mon 16 May 1988 | Middlesbrough | 2 | 1 | Slight |
| Sun 22 May 1988 | Middlesbrough | 2 | 1 | Slight |
| Mon 30 May 1988 | Middlesbrough | 4 | 2 | Slight |
| Fri 3 Jun 1988 | Middlesbrough | 2 | 2 | Slight |
| Mon 6 Jun 1988 | Hambleton | 2 | 1 | Slight |
| Sun 12 Jun 1988 | Hambleton | 1 | 1 | Serious |
| Sat 25 Jun 1988 | Middlesbrough | 2 | 1 | Slight |
| Thu 30 Jun 1988 | Middlesbrough | 1 | 1 | Serious |
| Thu 7 Jul 1988 | Middlesbrough | 2 | 1 | Slight |
| Sat 9 Jul 1988 | Hambleton | 2 | 2 | Serious |
| Mon 11 Jul 1988 | Middlesbrough | 2 | 1 | Serious |
| Sat 16 Jul 1988 | Middlesbrough | 2 | 1 | Slight |
| Thu 28 Jul 1988 | Middlesbrough | 2 | 1 | Slight |
| Sun 31 Jul 1988 | Middlesbrough | 1 | 1 | Slight |
| Tue 2 Aug 1988 | Middlesbrough | 2 | 1 | Slight |
| Tue 2 Aug 1988 | Hambleton | 2 | 1 | Serious |
| Tue 9 Aug 1988 | Middlesbrough | 1 | 2 | Slight |
| Mon 22 Aug 1988 | Middlesbrough | 1 | 1 | Serious |
| Wed 31 Aug 1988 | Hambleton | 2 | 1 | Slight |
| Sat 10 Sep 1988 | Middlesbrough | 1 | 1 | Slight |
| Mon 12 Sep 1988 | Middlesbrough | 2 | 1 | Slight |
| Wed 21 Sep 1988 | Middlesbrough | 2 | 1 | Slight |
| Fri 23 Sep 1988 | Middlesbrough | 2 | 2 | Slight |
| Fri 23 Sep 1988 | Middlesbrough | 1 | 1 | Slight |
| Sun 25 Sep 1988 | Hambleton | 1 | 2 | Slight |
| Mon 26 Sep 1988 | Middlesbrough | 2 | 1 | Slight |
| Mon 26 Sep 1988 | Middlesbrough | 1 | 1 | Slight |
| Wed 28 Sep 1988 | Middlesbrough | 4 | 3 | Slight |
| Tue 4 Oct 1988 | Middlesbrough | 2 | 1 | Slight |
| Sat 8 Oct 1988 | Alnwick | 2 | 1 | Slight |
| Tue 11 Oct 1988 | Middlesbrough | 1 | 1 | Slight |
| Tue 11 Oct 1988 | Middlesbrough | 2 | 1 | Slight |
| Mon 17 Oct 1988 | Middlesbrough | 2 | 1 | Slight |
| Thu 27 Oct 1988 | Middlesbrough | 1 | 1 | Slight |
| Fri 28 Oct 1988 | Middlesbrough | 1 | 1 | Slight |
| Wed 2 Nov 1988 | Middlesbrough | 3 | 3 | Slight |
| Fri 4 Nov 1988 | Middlesbrough | 2 | 1 | Slight |
| Sat 5 Nov 1988 | Middlesbrough | 3 | 1 | Slight |
| Wed 9 Nov 1988 | Middlesbrough | 1 | 1 | Serious |
| Wed 9 Nov 1988 | Hambleton | 3 | 2 | Slight |
| Wed 9 Nov 1988 | Middlesbrough | 5 | 3 | Slight |
| Fri 18 Nov 1988 | Middlesbrough | 2 | 1 | Slight |
| Sat 19 Nov 1988 | Hambleton | 2 | 1 | Serious |
| Tue 22 Nov 1988 | Middlesbrough | 2 | 1 | Slight |
| Thu 24 Nov 1988 | Middlesbrough | 2 | 1 | Slight |
| Thu 24 Nov 1988 | Middlesbrough | 2 | 1 | Slight |
| Thu 24 Nov 1988 | Middlesbrough | 2 | 1 | Slight |
| Sun 27 Nov 1988 | Middlesbrough | 1 | 1 | Slight |
| Tue 29 Nov 1988 | Middlesbrough | 2 | 1 | Slight |
| Tue 29 Nov 1988 | Middlesbrough | 2 | 1 | Slight |
| Wed 30 Nov 1988 | Middlesbrough | 2 | 1 | Serious |
| Sat 3 Dec 1988 | Middlesbrough | 1 | 1 | Slight |
| Tue 6 Dec 1988 | Middlesbrough | 2 | 1 | Slight |
| Sat 10 Dec 1988 | Middlesbrough | 1 | 1 | Serious |
| Sat 10 Dec 1988 | Hambleton | 2 | 5 | Fatal |
| Mon 12 Dec 1988 | Middlesbrough | 2 | 2 | Slight |
| Thu 22 Dec 1988 | Middlesbrough | 1 | 1 | Serious |
| Thu 22 Dec 1988 | Middlesbrough | 1 | 1 | Slight |
| Tue 27 Dec 1988 | Middlesbrough | 2 | 1 | Slight |