Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Fri 1 Jan 1999 | South Oxfordshire | 2 | 2 | Slight |
| Thu 14 Jan 1999 | South Oxfordshire | 2 | 1 | Slight |
| Thu 28 Jan 1999 | South Oxfordshire | 2 | 1 | Slight |
| Sun 31 Jan 1999 | Aylesbury Vale | 1 | 2 | Slight |
| Wed 3 Feb 1999 | Wycombe | 2 | 1 | Slight |
| Wed 3 Feb 1999 | South Oxfordshire | 2 | 1 | Slight |
| Mon 8 Feb 1999 | Aylesbury Vale | 2 | 1 | Slight |
| Thu 11 Feb 1999 | Wycombe | 2 | 1 | Slight |
| Thu 18 Feb 1999 | West Berkshire | 1 | 1 | Slight |
| Mon 1 Mar 1999 | South Oxfordshire | 2 | 1 | Slight |
| Mon 1 Mar 1999 | South Oxfordshire | 2 | 1 | Slight |
| Thu 18 Mar 1999 | South Oxfordshire | 3 | 1 | Serious |
| Mon 29 Mar 1999 | South Oxfordshire | 2 | 2 | Slight |
| Mon 29 Mar 1999 | South Oxfordshire | 2 | 1 | Slight |
| Tue 30 Mar 1999 | South Oxfordshire | 2 | 1 | Slight |
| Thu 1 Apr 1999 | Wycombe | 2 | 1 | Serious |
| Fri 9 Apr 1999 | South Oxfordshire | 2 | 2 | Serious |
| Sun 11 Apr 1999 | South Oxfordshire | 2 | 2 | Slight |
| Mon 12 Apr 1999 | West Berkshire | 2 | 1 | Slight |
| Wed 14 Apr 1999 | South Oxfordshire | 2 | 1 | Serious |
| Thu 15 Apr 1999 | South Oxfordshire | 1 | 1 | Slight |
| Sun 18 Apr 1999 | South Oxfordshire | 2 | 1 | Slight |
| Mon 19 Apr 1999 | Wycombe | 2 | 1 | Slight |
| Tue 20 Apr 1999 | South Oxfordshire | 2 | 2 | Slight |
| Wed 21 Apr 1999 | West Berkshire | 1 | 1 | Slight |
| Wed 21 Apr 1999 | South Oxfordshire | 1 | 1 | Slight |
| Wed 21 Apr 1999 | West Berkshire | 2 | 2 | Serious |
| Fri 7 May 1999 | South Oxfordshire | 2 | 1 | Slight |
| Tue 1 Jun 1999 | South Oxfordshire | 2 | 1 | Serious |
| Wed 2 Jun 1999 | West Berkshire | 2 | 2 | Slight |
| Fri 4 Jun 1999 | South Oxfordshire | 2 | 1 | Slight |
| Thu 17 Jun 1999 | South Oxfordshire | 1 | 2 | Slight |
| Fri 18 Jun 1999 | South Oxfordshire | 3 | 3 | Slight |
| Fri 18 Jun 1999 | South Oxfordshire | 2 | 2 | Slight |
| Mon 21 Jun 1999 | South Oxfordshire | 2 | 1 | Slight |
| Tue 22 Jun 1999 | Aylesbury Vale | 3 | 1 | Serious |
| Fri 25 Jun 1999 | Aylesbury Vale | 4 | 1 | Slight |
| Mon 28 Jun 1999 | Wycombe | 1 | 1 | Slight |
| Sat 3 Jul 1999 | South Oxfordshire | 1 | 1 | Slight |
| Tue 6 Jul 1999 | Aylesbury Vale | 2 | 1 | Serious |
| Tue 13 Jul 1999 | South Oxfordshire | 1 | 1 | Slight |
| Fri 16 Jul 1999 | South Oxfordshire | 1 | 2 | Slight |
| Fri 16 Jul 1999 | South Oxfordshire | 1 | 1 | Slight |
| Tue 27 Jul 1999 | South Oxfordshire | 2 | 1 | Slight |
| Thu 5 Aug 1999 | West Berkshire | 2 | 1 | Slight |
| Mon 9 Aug 1999 | West Berkshire | 1 | 1 | Slight |
| Wed 11 Aug 1999 | South Oxfordshire | 3 | 1 | Slight |
| Wed 11 Aug 1999 | South Oxfordshire | 1 | 1 | Slight |
| Sun 22 Aug 1999 | West Berkshire | 2 | 1 | Slight |
| Sun 22 Aug 1999 | Wycombe | 2 | 2 | Slight |
| Sun 29 Aug 1999 | Aylesbury Vale | 1 | 1 | Slight |
| Tue 31 Aug 1999 | South Oxfordshire | 2 | 1 | Slight |
| Sat 4 Sep 1999 | West Berkshire | 2 | 1 | Serious |
| Sat 11 Sep 1999 | South Oxfordshire | 2 | 3 | Serious |
| Wed 15 Sep 1999 | Wycombe | 3 | 2 | Slight |
| Fri 24 Sep 1999 | Wycombe | 1 | 1 | Slight |
| Thu 30 Sep 1999 | South Oxfordshire | 4 | 1 | Slight |
| Tue 12 Oct 1999 | South Oxfordshire | 2 | 2 | Serious |
| Thu 14 Oct 1999 | Aylesbury Vale | 1 | 1 | Slight |
| Thu 14 Oct 1999 | South Oxfordshire | 2 | 1 | Slight |
| Fri 15 Oct 1999 | Wycombe | 3 | 1 | Serious |
| Sat 23 Oct 1999 | Aylesbury Vale | 2 | 6 | Slight |
| Sat 23 Oct 1999 | West Berkshire | 2 | 2 | Slight |
| Wed 3 Nov 1999 | Aylesbury Vale | 1 | 1 | Slight |
| Wed 3 Nov 1999 | Aylesbury Vale | 3 | 1 | Slight |
| Fri 5 Nov 1999 | Wycombe | 1 | 1 | Slight |
| Tue 16 Nov 1999 | Aylesbury Vale | 1 | 1 | Slight |
| Wed 17 Nov 1999 | Aylesbury Vale | 2 | 2 | Slight |
| Wed 17 Nov 1999 | Aylesbury Vale | 1 | 1 | Slight |
| Sat 20 Nov 1999 | South Oxfordshire | 2 | 1 | Slight |
| Mon 22 Nov 1999 | Aylesbury Vale | 2 | 2 | Slight |
| Wed 1 Dec 1999 | Wycombe | 1 | 1 | Slight |
| Sun 5 Dec 1999 | West Berkshire | 1 | 1 | Slight |
| Mon 6 Dec 1999 | South Oxfordshire | 2 | 2 | Slight |
| Wed 8 Dec 1999 | South Oxfordshire | 1 | 1 | Serious |
| Thu 9 Dec 1999 | South Oxfordshire | 1 | 1 | Slight |
| Sat 11 Dec 1999 | West Berkshire | 2 | 4 | Slight |
| Fri 17 Dec 1999 | South Oxfordshire | 2 | 2 | Fatal |