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