Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Sun 14 Jan 1990 | Ryedale | 2 | 2 | Fatal |
| Sat 20 Jan 1990 | Ryedale | 1 | 2 | Slight |
| Thu 25 Jan 1990 | Hambleton | 2 | 1 | Slight |
| Fri 26 Jan 1990 | Scarborough | 2 | 1 | Slight |
| Mon 29 Jan 1990 | Scarborough | 2 | 2 | Serious |
| Tue 13 Feb 1990 | Scarborough | 2 | 1 | Slight |
| Sun 18 Feb 1990 | Hambleton | 3 | 2 | Slight |
| Sun 25 Feb 1990 | Scarborough | 2 | 1 | Slight |
| Wed 28 Feb 1990 | Ryedale | 2 | 1 | Serious |
| Thu 1 Mar 1990 | Ryedale | 2 | 3 | Fatal |
| Fri 2 Mar 1990 | Ryedale | 3 | 3 | Serious |
| Sat 10 Mar 1990 | Ryedale | 1 | 1 | Slight |
| Fri 16 Mar 1990 | Scarborough | 4 | 1 | Slight |
| Sat 17 Mar 1990 | Scarborough | 2 | 1 | Serious |
| Fri 23 Mar 1990 | Ryedale | 1 | 2 | Slight |
| Fri 30 Mar 1990 | Ryedale | 2 | 3 | Slight |
| Fri 6 Apr 1990 | Ryedale | 2 | 2 | Serious |
| Wed 11 Apr 1990 | Ryedale | 2 | 1 | Slight |
| Sat 14 Apr 1990 | Scarborough | 2 | 1 | Slight |
| Mon 16 Apr 1990 | Ryedale | 2 | 1 | Serious |
| Mon 16 Apr 1990 | Ryedale | 4 | 1 | Slight |
| Mon 16 Apr 1990 | Ryedale | 1 | 1 | Slight |
| Fri 27 Apr 1990 | Scarborough | 4 | 1 | Slight |
| Mon 14 May 1990 | Ryedale | 3 | 2 | Serious |
| Sat 19 May 1990 | Ryedale | 4 | 4 | Slight |
| Thu 31 May 1990 | Ryedale | 2 | 6 | Serious |
| Fri 1 Jun 1990 | Ryedale | 2 | 1 | Serious |
| Mon 4 Jun 1990 | Ryedale | 5 | 4 | Fatal |
| Tue 5 Jun 1990 | Scarborough | 2 | 1 | Slight |
| Tue 5 Jun 1990 | Ryedale | 2 | 1 | Fatal |
| Wed 6 Jun 1990 | Ryedale | 4 | 4 | Serious |
| Wed 20 Jun 1990 | Scarborough | 2 | 2 | Serious |
| Fri 29 Jun 1990 | Hambleton | 2 | 1 | Slight |
| Mon 2 Jul 1990 | Ryedale | 2 | 1 | Serious |
| Thu 5 Jul 1990 | Scarborough | 2 | 1 | Serious |
| Fri 6 Jul 1990 | Scarborough | 1 | 1 | Slight |
| Sat 7 Jul 1990 | Scarborough | 2 | 1 | Slight |
| Sat 7 Jul 1990 | Scarborough | 1 | 1 | Slight |
| Tue 17 Jul 1990 | Scarborough | 2 | 1 | Slight |
| Thu 19 Jul 1990 | Scarborough | 1 | 1 | Slight |
| Fri 20 Jul 1990 | Ryedale | 2 | 1 | Slight |
| Sun 22 Jul 1990 | Ryedale | 2 | 1 | Slight |
| Sat 28 Jul 1990 | Ryedale | 3 | 1 | Slight |
| Mon 30 Jul 1990 | Ryedale | 3 | 1 | Slight |
| Wed 8 Aug 1990 | Ryedale | 2 | 1 | Slight |
| Thu 9 Aug 1990 | Scarborough | 2 | 1 | Slight |
| Sat 11 Aug 1990 | Ryedale | 2 | 1 | Slight |
| Tue 14 Aug 1990 | Ryedale | 2 | 1 | Slight |
| Thu 16 Aug 1990 | Ryedale | 2 | 1 | Slight |
| Thu 16 Aug 1990 | Scarborough | 1 | 2 | Slight |
| Sun 26 Aug 1990 | Ryedale | 2 | 1 | Slight |
| Sun 26 Aug 1990 | Ryedale | 1 | 1 | Slight |
| Sat 8 Sep 1990 | Hambleton | 2 | 1 | Slight |
| Tue 11 Sep 1990 | Scarborough | 1 | 1 | Slight |
| Tue 18 Sep 1990 | Hambleton | 1 | 2 | Serious |
| Thu 20 Sep 1990 | Scarborough | 2 | 1 | Slight |
| Wed 3 Oct 1990 | Scarborough | 1 | 1 | Serious |
| Sun 7 Oct 1990 | Ryedale | 2 | 1 | Slight |
| Sun 7 Oct 1990 | Ryedale | 2 | 1 | Slight |
| Fri 12 Oct 1990 | Scarborough | 2 | 1 | Slight |
| Fri 12 Oct 1990 | Scarborough | 2 | 1 | Slight |
| Sun 14 Oct 1990 | Ryedale | 2 | 1 | Slight |
| Tue 16 Oct 1990 | Ryedale | 1 | 1 | Serious |
| Tue 23 Oct 1990 | Scarborough | 1 | 1 | Serious |
| Sat 27 Oct 1990 | Ryedale | 1 | 4 | Slight |
| Tue 30 Oct 1990 | Ryedale | 1 | 2 | Serious |
| Tue 30 Oct 1990 | Hambleton | 1 | 1 | Slight |
| Sun 4 Nov 1990 | Scarborough | 1 | 1 | Serious |
| Sat 10 Nov 1990 | Scarborough | 2 | 1 | Serious |
| Mon 26 Nov 1990 | Scarborough | 2 | 3 | Serious |
| Fri 7 Dec 1990 | Scarborough | 2 | 1 | Serious |
| Tue 11 Dec 1990 | Scarborough | 1 | 1 | Serious |
| Tue 11 Dec 1990 | Scarborough | 1 | 1 | Slight |
| Sat 15 Dec 1990 | Ryedale | 2 | 4 | Serious |
| Wed 19 Dec 1990 | Scarborough | 4 | 3 | Slight |
| Thu 20 Dec 1990 | Scarborough | 2 | 3 | Serious |
| Fri 21 Dec 1990 | Ryedale | 1 | 1 | Serious |
| Mon 24 Dec 1990 | Scarborough | 2 | 1 | Serious |
| Wed 26 Dec 1990 | Scarborough | 1 | 2 | Slight |