Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Mon 8 Jan 1990 | Aylesbury Vale | 2 | 2 | Slight |
| Sat 13 Jan 1990 | Mid Bedfordshire | 1 | 1 | Slight |
| Tue 16 Jan 1990 | Watford | 1 | 1 | Slight |
| Wed 7 Feb 1990 | Wycombe | 1 | 1 | Serious |
| Sun 4 Mar 1990 | Aylesbury Vale | 1 | 1 | Slight |
| Fri 9 Mar 1990 | Arun | 2 | 1 | Slight |
| Sat 10 Mar 1990 | Three Rivers | 3 | 2 | Slight |
| Sun 25 Mar 1990 | Three Rivers | 2 | 1 | Serious |
| Mon 2 Apr 1990 | Three Rivers | 2 | 1 | Slight |
| Wed 4 Apr 1990 | Three Rivers | 1 | 1 | Serious |
| Wed 4 Apr 1990 | Three Rivers | 2 | 2 | Slight |
| Sun 15 Apr 1990 | Bassetlaw | 1 | 1 | Slight |
| Sun 22 Apr 1990 | Three Rivers | 3 | 2 | Slight |
| Wed 25 Apr 1990 | South Northamptonshire | 2 | 1 | Slight |
| Thu 26 Apr 1990 | North Kesteven | 2 | 1 | Serious |
| Tue 8 May 1990 | Three Rivers | 2 | 4 | Slight |
| Tue 8 May 1990 | Tandridge | 3 | 1 | Slight |
| Fri 25 May 1990 | Wycombe | 2 | 1 | Slight |
| Tue 5 Jun 1990 | Mid Bedfordshire | 1 | 1 | Slight |
| Thu 7 Jun 1990 | Three Rivers | 2 | 2 | Slight |
| Wed 20 Jun 1990 | Wycombe | 1 | 1 | Slight |
| Wed 11 Jul 1990 | Three Rivers | 2 | 3 | Slight |
| Mon 23 Jul 1990 | North Wiltshire | 1 | 1 | Slight |
| Sun 29 Jul 1990 | Dacorum | 2 | 1 | Slight |
| Tue 31 Jul 1990 | Tandridge | 3 | 1 | Slight |
| Fri 10 Aug 1990 | Wycombe | 2 | 3 | Slight |
| Sun 12 Aug 1990 | Fenland | 2 | 1 | Slight |
| Mon 27 Aug 1990 | Three Rivers | 1 | 1 | Serious |
| Tue 28 Aug 1990 | South Bedfordshire | 2 | 1 | Slight |
| Fri 14 Sep 1990 | Watford | 2 | 2 | Slight |
| Sat 22 Sep 1990 | Test Valley | 2 | 1 | Slight |
| Fri 28 Sep 1990 | Watford | 2 | 1 | Slight |
| Fri 12 Oct 1990 | North Wiltshire | 2 | 1 | Slight |
| Sat 13 Oct 1990 | Watford | 2 | 2 | Slight |
| Tue 16 Oct 1990 | Mid Bedfordshire | 2 | 1 | Serious |
| Thu 25 Oct 1990 | Mid Bedfordshire | 2 | 4 | Slight |
| Mon 29 Oct 1990 | Wycombe | 2 | 1 | Slight |
| Tue 6 Nov 1990 | Three Rivers | 1 | 1 | Serious |
| Thu 8 Nov 1990 | Wycombe | 1 | 1 | Serious |
| Tue 13 Nov 1990 | Wycombe | 2 | 2 | Slight |
| Wed 21 Nov 1990 | Watford | 2 | 1 | Slight |
| Thu 20 Dec 1990 | Dacorum | 2 | 3 | Slight |
| Thu 20 Dec 1990 | Three Rivers | 3 | 2 | Serious |
| Sun 30 Dec 1990 | Three Rivers | 1 | 1 | Slight |