Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Sun 1 Jan 1989 | West Berkshire | 1 | 1 | Slight |
| Mon 2 Jan 1989 | West Berkshire | 1 | 1 | Slight |
| Mon 2 Jan 1989 | West Berkshire | 3 | 2 | Slight |
| Tue 3 Jan 1989 | Hillingdon | 2 | 1 | Slight |
| Thu 5 Jan 1989 | Hounslow | 1 | 1 | Slight |
| Thu 5 Jan 1989 | Hounslow | 2 | 1 | Slight |
| Fri 6 Jan 1989 | Windsor and Maidenhead | 5 | 1 | Slight |
| Sun 8 Jan 1989 | Hillingdon | 3 | 3 | Serious |
| Sun 8 Jan 1989 | Hillingdon | 3 | 3 | Serious |
| Sun 8 Jan 1989 | Hillingdon | 4 | 1 | Slight |
| Sun 8 Jan 1989 | Hounslow | 2 | 1 | Slight |
| Sun 8 Jan 1989 | Hillingdon | 1 | 1 | Slight |
| Mon 9 Jan 1989 | Hounslow | 1 | 4 | Fatal |
| Mon 9 Jan 1989 | Swindon | 2 | 2 | Serious |
| Mon 9 Jan 1989 | North Wiltshire | 1 | 2 | Slight |
| Tue 10 Jan 1989 | Kennet | 1 | 1 | Serious |
| Tue 10 Jan 1989 | West Berkshire | 2 | 1 | Serious |
| Thu 12 Jan 1989 | South Bucks | 3 | 2 | Slight |
| Thu 12 Jan 1989 | Windsor and Maidenhead | 2 | 4 | Fatal |
| Fri 13 Jan 1989 | Hounslow | 3 | 2 | Slight |
| Sat 14 Jan 1989 | North Wiltshire | 1 | 1 | Serious |
| Sat 14 Jan 1989 | West Berkshire | 2 | 1 | Slight |
| Mon 16 Jan 1989 | West Berkshire | 1 | 1 | Slight |
| Mon 16 Jan 1989 | North Wiltshire | 1 | 1 | Serious |
| Mon 16 Jan 1989 | Wokingham | 3 | 2 | Slight |
| Mon 16 Jan 1989 | Wokingham | 1 | 1 | Slight |
| Wed 18 Jan 1989 | Hounslow | 1 | 1 | Slight |
| Wed 18 Jan 1989 | Hounslow | 2 | 1 | Slight |
| Wed 18 Jan 1989 | Hillingdon | 2 | 2 | Slight |
| Thu 19 Jan 1989 | Hillingdon | 3 | 3 | Serious |
| Thu 19 Jan 1989 | Hillingdon | 3 | 3 | Serious |
| Thu 19 Jan 1989 | Wokingham | 2 | 1 | Slight |
| Thu 19 Jan 1989 | Reading | 2 | 2 | Slight |
| Fri 20 Jan 1989 | Windsor and Maidenhead | 2 | 1 | Serious |
| Fri 20 Jan 1989 | Windsor and Maidenhead | 2 | 1 | Slight |
| Fri 20 Jan 1989 | Windsor and Maidenhead | 2 | 1 | Serious |
| Fri 20 Jan 1989 | Windsor and Maidenhead | 3 | 2 | Slight |
| Fri 20 Jan 1989 | Hounslow | 3 | 1 | Slight |
| Sat 21 Jan 1989 | Hillingdon | 1 | 1 | Slight |
| Sun 22 Jan 1989 | West Berkshire | 4 | 1 | Slight |
| Sun 22 Jan 1989 | Windsor and Maidenhead | 1 | 1 | Slight |
| Mon 23 Jan 1989 | North Wiltshire | 1 | 1 | Slight |
| Tue 24 Jan 1989 | Slough | 2 | 1 | Slight |
| Wed 25 Jan 1989 | Wokingham | 1 | 1 | Slight |
| Thu 26 Jan 1989 | Hillingdon | 2 | 1 | Slight |
| Thu 26 Jan 1989 | Hillingdon | 2 | 1 | Slight |
| Sat 28 Jan 1989 | North Wiltshire | 1 | 1 | Slight |
| Sat 28 Jan 1989 | Hounslow | 3 | 1 | Slight |
| Sun 29 Jan 1989 | Windsor and Maidenhead | 1 | 1 | Slight |
| Sun 29 Jan 1989 | Forest of Dean | 3 | 1 | Slight |
| Sun 29 Jan 1989 | West Berkshire | 1 | 3 | Slight |
| Mon 30 Jan 1989 | Hillingdon | 2 | 1 | Slight |
| Mon 30 Jan 1989 | Hillingdon | 2 | 1 | Slight |
| Thu 2 Feb 1989 | Swindon | 2 | 2 | Slight |
| Thu 2 Feb 1989 | Slough | 1 | 1 | Slight |
| Thu 2 Feb 1989 | West Berkshire | 1 | 1 | Slight |
| Thu 2 Feb 1989 | West Berkshire | 1 | 1 | Slight |
| Fri 3 Feb 1989 | West Berkshire | 2 | 1 | Serious |
| Sat 4 Feb 1989 | Wokingham | 1 | 2 | Slight |
| Sat 4 Feb 1989 | North Wiltshire | 2 | 1 | Slight |
| Sat 4 Feb 1989 | West Berkshire | 2 | 1 | Slight |
| Sun 5 Feb 1989 | Hillingdon | 2 | 1 | Slight |
| Sun 5 Feb 1989 | Hounslow | 1 | 1 | Slight |
| Sun 5 Feb 1989 | Hounslow | 2 | 4 | Slight |
| Mon 6 Feb 1989 | North Wiltshire | 2 | 1 | Slight |
| Mon 6 Feb 1989 | North Wiltshire | 1 | 2 | Slight |
| Tue 7 Feb 1989 | Wokingham | 2 | 1 | Slight |
| Tue 7 Feb 1989 | West Berkshire | 1 | 1 | Serious |
| Thu 9 Feb 1989 | Hillingdon | 3 | 3 | Serious |
| Fri 10 Feb 1989 | Windsor and Maidenhead | 1 | 3 | Slight |
| Sun 12 Feb 1989 | Hillingdon | 1 | 1 | Slight |
| Mon 13 Feb 1989 | Swindon | 1 | 2 | Fatal |
| Mon 13 Feb 1989 | West Berkshire | 2 | 1 | Serious |
| Tue 14 Feb 1989 | Slough | 2 | 1 | Slight |
| Tue 14 Feb 1989 | West Berkshire | 2 | 2 | Slight |
| Tue 14 Feb 1989 | Swindon | 1 | 1 | Slight |
| Wed 15 Feb 1989 | Hounslow | 3 | 2 | Slight |
| Thu 16 Feb 1989 | West Berkshire | 2 | 1 | Slight |
| Thu 16 Feb 1989 | Slough | 1 | 3 | Slight |
| Thu 16 Feb 1989 | West Berkshire | 3 | 1 | Slight |
| Fri 17 Feb 1989 | Swindon | 2 | 1 | Slight |
| Fri 17 Feb 1989 | West Berkshire | 2 | 1 | Slight |
| Sun 19 Feb 1989 | Hounslow | 2 | 1 | Slight |
| Sun 19 Feb 1989 | Hounslow | 3 | 1 | Slight |
| Sun 19 Feb 1989 | Windsor and Maidenhead | 4 | 2 | Serious |
| Tue 21 Feb 1989 | West Berkshire | 1 | 1 | Slight |
| Tue 21 Feb 1989 | Hounslow | 3 | 2 | Slight |
| Tue 21 Feb 1989 | Hillingdon | 2 | 1 | Slight |
| Fri 24 Feb 1989 | Windsor and Maidenhead | 3 | 2 | Slight |
| Sat 25 Feb 1989 | Hillingdon | 2 | 1 | Slight |
| Sun 26 Feb 1989 | Hillingdon | 1 | 1 | Slight |
| Sun 26 Feb 1989 | Hounslow | 4 | 2 | Slight |
| Mon 27 Feb 1989 | Hounslow | 1 | 1 | Slight |
| Tue 28 Feb 1989 | Swindon | 1 | 1 | Slight |
| Tue 28 Feb 1989 | North Wiltshire | 2 | 1 | Slight |
| Wed 1 Mar 1989 | Hounslow | 3 | 1 | Slight |
| Wed 1 Mar 1989 | Swindon | 2 | 1 | Slight |
| Thu 2 Mar 1989 | North Wiltshire | 1 | 1 | Slight |
| Sun 5 Mar 1989 | Hillingdon | 1 | 3 | Slight |
| Sun 5 Mar 1989 | Wokingham | 1 | 1 | Slight |
| Sun 5 Mar 1989 | Hounslow | 2 | 1 | Slight |
| Mon 6 Mar 1989 | Swindon | 2 | 1 | Slight |
| Mon 6 Mar 1989 | Windsor and Maidenhead | 2 | 1 | Serious |
| Mon 6 Mar 1989 | Hounslow | 2 | 1 | Slight |
| Tue 7 Mar 1989 | Wokingham | 1 | 1 | Slight |
| Fri 10 Mar 1989 | Hounslow | 2 | 1 | Slight |
| Fri 10 Mar 1989 | Hillingdon | 4 | 2 | Slight |
| Fri 10 Mar 1989 | Slough | 2 | 3 | Slight |
| Fri 10 Mar 1989 | Slough | 2 | 3 | Slight |
| Fri 10 Mar 1989 | Bracknell Forest | 1 | 1 | Slight |
| Sat 11 Mar 1989 | Hounslow | 1 | 2 | Serious |
| Sat 11 Mar 1989 | Hounslow | 2 | 1 | Slight |
| Sun 12 Mar 1989 | Hounslow | 5 | 4 | Serious |
| Sun 12 Mar 1989 | Hounslow | 3 | 5 | Serious |
| Tue 14 Mar 1989 | West Berkshire | 1 | 1 | Slight |
| Tue 14 Mar 1989 | Hounslow | 1 | 1 | Slight |
| Wed 15 Mar 1989 | Hillingdon | 3 | 1 | Slight |
| Wed 15 Mar 1989 | Hounslow | 1 | 1 | Serious |
| Thu 16 Mar 1989 | Hillingdon | 3 | 1 | Slight |
| Thu 16 Mar 1989 | Slough | 2 | 1 | Slight |
| Fri 17 Mar 1989 | Windsor and Maidenhead | 2 | 1 | Slight |
| Fri 17 Mar 1989 | Swindon | 2 | 2 | Slight |
| Sat 18 Mar 1989 | Windsor and Maidenhead | 1 | 1 | Slight |
| Sun 19 Mar 1989 | Hillingdon | 2 | 1 | Slight |
| Sun 19 Mar 1989 | Hillingdon | 2 | 1 | Slight |
| Sun 19 Mar 1989 | West Berkshire | 2 | 1 | Slight |
| Mon 20 Mar 1989 | Hillingdon | 2 | 1 | Slight |
| Tue 21 Mar 1989 | West Berkshire | 2 | 1 | Slight |
| Tue 21 Mar 1989 | Reading | 2 | 1 | Slight |
| Tue 21 Mar 1989 | Hillingdon | 2 | 2 | Slight |
| Wed 22 Mar 1989 | Wokingham | 2 | 1 | Slight |
| Wed 22 Mar 1989 | North Wiltshire | 2 | 1 | Slight |
| Wed 22 Mar 1989 | Wokingham | 3 | 2 | Slight |
| Thu 23 Mar 1989 | Wokingham | 2 | 2 | Slight |
| Sun 26 Mar 1989 | North Wiltshire | 2 | 2 | Slight |
| Sun 26 Mar 1989 | Kennet | 2 | 2 | Slight |
| Mon 27 Mar 1989 | Windsor and Maidenhead | 2 | 2 | Slight |
| Mon 27 Mar 1989 | West Berkshire | 2 | 1 | Slight |
| Tue 28 Mar 1989 | South Bucks | 1 | 1 | Slight |
| Tue 28 Mar 1989 | Kennet | 2 | 1 | Slight |
| Tue 28 Mar 1989 | Windsor and Maidenhead | 2 | 2 | Slight |
| Tue 28 Mar 1989 | Windsor and Maidenhead | 3 | 1 | Slight |
| Wed 29 Mar 1989 | Wokingham | 1 | 1 | Serious |
| Thu 30 Mar 1989 | South Bucks | 1 | 2 | Serious |
| Thu 30 Mar 1989 | Hillingdon | 1 | 1 | Serious |
| Fri 31 Mar 1989 | Swindon | 2 | 1 | Slight |
| Fri 31 Mar 1989 | Swindon | 4 | 2 | Slight |
| Sat 1 Apr 1989 | Swindon | 1 | 2 | Slight |
| Sat 1 Apr 1989 | West Berkshire | 1 | 1 | Slight |
| Sun 2 Apr 1989 | North Wiltshire | 2 | 2 | Slight |
| Sun 2 Apr 1989 | Swindon | 2 | 1 | Slight |
| Mon 3 Apr 1989 | South Bucks | 2 | 1 | Slight |
| Mon 3 Apr 1989 | Swindon | 2 | 1 | Slight |
| Tue 4 Apr 1989 | Swindon | 1 | 1 | Slight |
| Tue 4 Apr 1989 | Hillingdon | 1 | 1 | Slight |
| Wed 5 Apr 1989 | North Wiltshire | 1 | 1 | Slight |
| Wed 5 Apr 1989 | Hillingdon | 3 | 1 | Slight |
| Wed 5 Apr 1989 | Slough | 2 | 1 | Slight |
| Wed 5 Apr 1989 | Wokingham | 1 | 1 | Slight |
| Thu 6 Apr 1989 | Hillingdon | 1 | 1 | Serious |
| Thu 6 Apr 1989 | South Bucks | 4 | 2 | Slight |
| Thu 6 Apr 1989 | Hounslow | 2 | 1 | Slight |
| Fri 7 Apr 1989 | West Berkshire | 1 | 2 | Slight |
| Fri 7 Apr 1989 | Windsor and Maidenhead | 2 | 1 | Slight |
| Fri 7 Apr 1989 | Wokingham | 6 | 1 | Slight |
| Fri 7 Apr 1989 | North Wiltshire | 5 | 1 | Slight |
| Fri 7 Apr 1989 | North Wiltshire | 5 | 2 | Slight |
| Fri 7 Apr 1989 | Hounslow | 2 | 1 | Slight |
| Fri 7 Apr 1989 | Hillingdon | 1 | 4 | Fatal |
| Sat 8 Apr 1989 | North Wiltshire | 1 | 1 | Slight |
| Mon 10 Apr 1989 | West Berkshire | 1 | 1 | Slight |
| Mon 10 Apr 1989 | West Berkshire | 1 | 1 | Slight |
| Tue 11 Apr 1989 | Forest of Dean | 1 | 1 | Slight |
| Tue 11 Apr 1989 | West Berkshire | 1 | 1 | Slight |
| Wed 12 Apr 1989 | Hillingdon | 2 | 1 | Serious |
| Wed 12 Apr 1989 | Hillingdon | 2 | 1 | Serious |
| Thu 13 Apr 1989 | Hillingdon | 2 | 1 | Slight |
| Fri 14 Apr 1989 | Hounslow | 3 | 1 | Slight |
| Fri 14 Apr 1989 | Hounslow | 3 | 1 | Slight |
| Fri 14 Apr 1989 | North Wiltshire | 1 | 1 | Slight |
| Fri 14 Apr 1989 | Hounslow | 3 | 1 | Slight |
| Fri 14 Apr 1989 | Hillingdon | 2 | 1 | Serious |
| Sat 15 Apr 1989 | North Wiltshire | 2 | 1 | Slight |
| Sat 15 Apr 1989 | West Berkshire | 1 | 1 | Serious |
| Sun 16 Apr 1989 | Wokingham | 1 | 1 | Slight |
| Sun 16 Apr 1989 | West Berkshire | 1 | 1 | Slight |
| Sun 16 Apr 1989 | Hillingdon | 2 | 1 | Slight |
| Sun 16 Apr 1989 | Hillingdon | 2 | 1 | Slight |
| Wed 19 Apr 1989 | Slough | 1 | 1 | Slight |
| Thu 20 Apr 1989 | Slough | 1 | 2 | Slight |
| Sat 22 Apr 1989 | Hounslow | 2 | 6 | Slight |
| Sat 22 Apr 1989 | Hillingdon | 2 | 1 | Slight |
| Sat 22 Apr 1989 | Hillingdon | 2 | 1 | Slight |
| Sun 23 Apr 1989 | Hillingdon | 2 | 1 | Slight |
| Sun 23 Apr 1989 | Windsor and Maidenhead | 2 | 1 | Serious |
| Mon 24 Apr 1989 | Hillingdon | 1 | 1 | Slight |
| Mon 24 Apr 1989 | Hillingdon | 1 | 1 | Slight |
| Mon 24 Apr 1989 | Hounslow | 3 | 1 | Slight |
| Tue 25 Apr 1989 | West Berkshire | 1 | 1 | Slight |
| Tue 25 Apr 1989 | Kennet | 1 | 1 | Slight |
| Wed 26 Apr 1989 | West Berkshire | 3 | 1 | Slight |
| Fri 28 Apr 1989 | Slough | 2 | 1 | Slight |
| Fri 28 Apr 1989 | Hounslow | 2 | 1 | Slight |
| Sat 29 Apr 1989 | Hounslow | 2 | 1 | Serious |
| Sat 29 Apr 1989 | Hounslow | 1 | 1 | Fatal |
| Sat 29 Apr 1989 | Hillingdon | 3 | 1 | Slight |
| Sun 30 Apr 1989 | Windsor and Maidenhead | 1 | 1 | Slight |
| Tue 2 May 1989 | North Wiltshire | 2 | 5 | Serious |
| Wed 3 May 1989 | Windsor and Maidenhead | 1 | 1 | Slight |
| Thu 4 May 1989 | Hounslow | 1 | 1 | Slight |
| Sat 6 May 1989 | Hillingdon | 1 | 1 | Slight |
| Sun 7 May 1989 | Windsor and Maidenhead | 2 | 1 | Slight |
| Sun 7 May 1989 | West Berkshire | 1 | 2 | Serious |
| Sun 7 May 1989 | Slough | 6 | 1 | Slight |
| Sun 7 May 1989 | North Wiltshire | 4 | 1 | Slight |
| Mon 8 May 1989 | Hillingdon | 2 | 1 | Slight |
| Tue 9 May 1989 | South Bucks | 3 | 1 | Serious |
| Tue 9 May 1989 | South Bucks | 3 | 1 | Serious |
| Fri 12 May 1989 | Hounslow | 2 | 1 | Slight |
| Fri 12 May 1989 | Hillingdon | 3 | 1 | Slight |
| Sat 13 May 1989 | Hounslow | 2 | 1 | Slight |
| Sun 14 May 1989 | West Berkshire | 1 | 2 | Slight |
| Sun 14 May 1989 | North Wiltshire | 1 | 1 | Serious |
| Mon 15 May 1989 | West Berkshire | 1 | 1 | Slight |
| Mon 15 May 1989 | Windsor and Maidenhead | 2 | 1 | Slight |
| Mon 15 May 1989 | Bracknell Forest | 1 | 1 | Serious |
| Mon 15 May 1989 | Hounslow | 2 | 1 | Slight |
| Wed 17 May 1989 | South Bucks | 2 | 1 | Slight |
| Wed 17 May 1989 | West Berkshire | 4 | 1 | Slight |
| Thu 18 May 1989 | Hillingdon | 2 | 1 | Slight |
| Fri 19 May 1989 | Hounslow | 3 | 1 | Slight |
| Fri 19 May 1989 | Hounslow | 3 | 1 | Slight |
| Sat 20 May 1989 | Windsor and Maidenhead | 2 | 1 | Slight |
| Sat 20 May 1989 | West Berkshire | 2 | 4 | Serious |
| Mon 22 May 1989 | West Berkshire | 3 | 1 | Slight |
| Mon 22 May 1989 | Hounslow | 2 | 5 | Slight |
| Tue 23 May 1989 | Slough | 2 | 1 | Slight |
| Tue 23 May 1989 | West Berkshire | 2 | 2 | Serious |
| Wed 24 May 1989 | Hounslow | 3 | 1 | Slight |
| Wed 24 May 1989 | Hounslow | 2 | 3 | Slight |
| Wed 24 May 1989 | Hounslow | 1 | 1 | Slight |
| Thu 25 May 1989 | West Berkshire | 2 | 1 | Fatal |
| Thu 25 May 1989 | Hillingdon | 3 | 1 | Slight |
| Thu 25 May 1989 | Hillingdon | 3 | 1 | Slight |
| Thu 25 May 1989 | West Berkshire | 2 | 1 | Slight |
| Thu 25 May 1989 | North Wiltshire | 1 | 1 | Serious |
| Thu 25 May 1989 | Windsor and Maidenhead | 3 | 1 | Slight |
| Fri 26 May 1989 | West Berkshire | 5 | 3 | Slight |
| Sat 27 May 1989 | Windsor and Maidenhead | 1 | 1 | Slight |
| Sun 28 May 1989 | Windsor and Maidenhead | 2 | 1 | Slight |
| Sun 28 May 1989 | South Bucks | 1 | 1 | Serious |
| Mon 29 May 1989 | Wokingham | 1 | 4 | Slight |
| Mon 29 May 1989 | West Berkshire | 1 | 1 | Slight |
| Tue 30 May 1989 | West Berkshire | 2 | 3 | Serious |
| Tue 30 May 1989 | Windsor and Maidenhead | 5 | 4 | Slight |
| Tue 30 May 1989 | Reading | 2 | 2 | Serious |
| Tue 30 May 1989 | Reading | 2 | 2 | Slight |
| Tue 30 May 1989 | Windsor and Maidenhead | 2 | 1 | Slight |
| Tue 30 May 1989 | Forest of Dean | 3 | 1 | Slight |
| Tue 30 May 1989 | North Wiltshire | 1 | 1 | Slight |
| Wed 31 May 1989 | Wokingham | 1 | 1 | Slight |
| Fri 2 Jun 1989 | West Berkshire | 2 | 1 | Slight |
| Fri 2 Jun 1989 | South Bucks | 2 | 1 | Slight |
| Sun 4 Jun 1989 | Windsor and Maidenhead | 2 | 3 | Slight |
| Sun 4 Jun 1989 | Hounslow | 2 | 1 | Slight |
| Mon 5 Jun 1989 | North Wiltshire | 1 | 1 | Serious |
| Mon 5 Jun 1989 | Slough | 2 | 1 | Slight |
| Wed 7 Jun 1989 | South Bucks | 1 | 2 | Slight |
| Wed 7 Jun 1989 | Hounslow | 1 | 1 | Slight |
| Thu 8 Jun 1989 | Windsor and Maidenhead | 2 | 1 | Slight |
| Thu 8 Jun 1989 | Swindon | 2 | 1 | Slight |
| Thu 8 Jun 1989 | Hillingdon | 3 | 1 | Slight |
| Fri 9 Jun 1989 | Slough | 2 | 1 | Slight |
| Fri 9 Jun 1989 | Hounslow | 2 | 2 | Slight |
| Sun 11 Jun 1989 | West Berkshire | 1 | 4 | Slight |
| Sun 11 Jun 1989 | Swindon | 1 | 9 | Serious |
| Sun 11 Jun 1989 | Slough | 3 | 1 | Slight |
| Sun 11 Jun 1989 | Hounslow | 6 | 2 | Serious |
| Mon 12 Jun 1989 | Hounslow | 2 | 1 | Serious |
| Mon 12 Jun 1989 | Hillingdon | 3 | 3 | Slight |
| Mon 12 Jun 1989 | Hillingdon | 1 | 1 | Slight |
| Mon 12 Jun 1989 | Hounslow | 3 | 1 | Serious |
| Tue 13 Jun 1989 | Hounslow | 1 | 1 | Slight |
| Tue 13 Jun 1989 | Kennet | 2 | 1 | Serious |
| Wed 14 Jun 1989 | North Wiltshire | 3 | 2 | Serious |
| Wed 14 Jun 1989 | North Wiltshire | 1 | 1 | Slight |
| Thu 15 Jun 1989 | West Berkshire | 2 | 1 | Slight |
| Thu 15 Jun 1989 | Windsor and Maidenhead | 1 | 1 | Slight |
| Thu 15 Jun 1989 | Windsor and Maidenhead | 5 | 1 | Slight |
| Fri 16 Jun 1989 | Windsor and Maidenhead | 2 | 2 | Fatal |
| Fri 16 Jun 1989 | Kennet | 2 | 4 | Slight |
| Sat 17 Jun 1989 | Swindon | 1 | 2 | Slight |
| Sun 18 Jun 1989 | South Bucks | 3 | 2 | Serious |
| Sun 18 Jun 1989 | Slough | 5 | 4 | Slight |
| Mon 19 Jun 1989 | Hounslow | 2 | 1 | Slight |
| Mon 19 Jun 1989 | North Wiltshire | 1 | 1 | Serious |
| Tue 20 Jun 1989 | West Berkshire | 2 | 1 | Slight |
| Tue 20 Jun 1989 | Hillingdon | 1 | 1 | Serious |
| Wed 21 Jun 1989 | Hillingdon | 1 | 1 | Slight |
| Thu 22 Jun 1989 | West Berkshire | 3 | 1 | Slight |
| Thu 22 Jun 1989 | Hounslow | 1 | 1 | Serious |
| Fri 23 Jun 1989 | Swindon | 1 | 3 | Slight |
| Sat 24 Jun 1989 | West Berkshire | 4 | 3 | Slight |
| Sat 24 Jun 1989 | Hounslow | 3 | 2 | Slight |
| Sat 24 Jun 1989 | West Berkshire | 1 | 1 | Slight |
| Sun 25 Jun 1989 | Hillingdon | 1 | 1 | Slight |
| Sun 25 Jun 1989 | Windsor and Maidenhead | 2 | 2 | Slight |
| Sun 25 Jun 1989 | Slough | 2 | 1 | Slight |
| Sun 25 Jun 1989 | West Berkshire | 2 | 1 | Slight |
| Sun 25 Jun 1989 | West Berkshire | 2 | 2 | Slight |
| Sun 25 Jun 1989 | Windsor and Maidenhead | 1 | 1 | Serious |
| Sun 25 Jun 1989 | Hounslow | 5 | 3 | Serious |
| Sun 25 Jun 1989 | Hillingdon | 2 | 1 | Slight |
| Mon 26 Jun 1989 | Hillingdon | 2 | 1 | Slight |
| Mon 26 Jun 1989 | Swindon | 4 | 4 | Slight |
| Wed 28 Jun 1989 | Slough | 2 | 1 | Slight |
| Wed 28 Jun 1989 | Windsor and Maidenhead | 2 | 1 | Serious |
| Wed 28 Jun 1989 | Windsor and Maidenhead | 2 | 1 | Serious |
| Thu 29 Jun 1989 | Hillingdon | 3 | 3 | Slight |
| Thu 29 Jun 1989 | Hillingdon | 3 | 5 | Slight |
| Thu 29 Jun 1989 | Hounslow | 2 | 1 | Serious |
| Thu 29 Jun 1989 | Hounslow | 3 | 1 | Slight |
| Fri 30 Jun 1989 | Hillingdon | 2 | 1 | Slight |
| Fri 30 Jun 1989 | Hillingdon | 2 | 1 | Slight |
| Fri 30 Jun 1989 | West Berkshire | 1 | 2 | Serious |
| Fri 30 Jun 1989 | Hillingdon | 3 | 1 | Slight |
| Fri 30 Jun 1989 | North Wiltshire | 2 | 1 | Slight |
| Sat 1 Jul 1989 | Hounslow | 2 | 2 | Slight |
| Sat 1 Jul 1989 | Hillingdon | 2 | 1 | Slight |
| Sun 2 Jul 1989 | Windsor and Maidenhead | 2 | 1 | Slight |
| Sun 2 Jul 1989 | West Berkshire | 2 | 2 | Slight |
| Mon 3 Jul 1989 | Slough | 2 | 1 | Slight |
| Mon 3 Jul 1989 | North Wiltshire | 1 | 1 | Serious |
| Mon 3 Jul 1989 | Hounslow | 2 | 1 | Slight |
| Tue 4 Jul 1989 | Hounslow | 2 | 1 | Slight |
| Tue 4 Jul 1989 | West Berkshire | 3 | 2 | Slight |
| Tue 4 Jul 1989 | Hillingdon | 3 | 3 | Slight |
| Tue 4 Jul 1989 | Hillingdon | 3 | 3 | Slight |
| Wed 5 Jul 1989 | Hounslow | 2 | 1 | Slight |
| Wed 5 Jul 1989 | Swindon | 2 | 2 | Slight |
| Wed 5 Jul 1989 | North Wiltshire | 2 | 1 | Slight |
| Thu 6 Jul 1989 | Wokingham | 3 | 4 | Slight |
| Thu 6 Jul 1989 | Reading | 1 | 2 | Fatal |
| Fri 7 Jul 1989 | North Wiltshire | 1 | 1 | Slight |
| Fri 7 Jul 1989 | Hillingdon | 2 | 1 | Slight |
| Fri 7 Jul 1989 | Hillingdon | 2 | 1 | Serious |
| Sat 8 Jul 1989 | Hounslow | 1 | 1 | Slight |
| Sat 8 Jul 1989 | Hounslow | 2 | 1 | Slight |
| Sat 8 Jul 1989 | West Berkshire | 3 | 1 | Slight |
| Sat 8 Jul 1989 | Wokingham | 2 | 1 | Slight |
| Sun 9 Jul 1989 | Hillingdon | 3 | 2 | Slight |
| Mon 10 Jul 1989 | Windsor and Maidenhead | 2 | 1 | Slight |
| Tue 11 Jul 1989 | North Wiltshire | 2 | 1 | Slight |
| Tue 11 Jul 1989 | Windsor and Maidenhead | 2 | 1 | Slight |
| Wed 12 Jul 1989 | Windsor and Maidenhead | 2 | 1 | Slight |
| Thu 13 Jul 1989 | West Berkshire | 2 | 1 | Slight |
| Thu 13 Jul 1989 | Hounslow | 2 | 1 | Slight |
| Fri 14 Jul 1989 | North Wiltshire | 2 | 1 | Serious |
| Fri 14 Jul 1989 | West Berkshire | 2 | 1 | Slight |
| Sat 15 Jul 1989 | North Wiltshire | 1 | 1 | Serious |
| Sat 15 Jul 1989 | North Wiltshire | 1 | 2 | Slight |
| Sat 15 Jul 1989 | North Wiltshire | 1 | 4 | Serious |
| Sun 16 Jul 1989 | Swindon | 1 | 1 | Slight |
| Sun 16 Jul 1989 | North Wiltshire | 1 | 1 | Slight |
| Sun 16 Jul 1989 | Slough | 2 | 1 | Slight |
| Tue 18 Jul 1989 | Hounslow | 2 | 1 | Slight |
| Tue 18 Jul 1989 | Hounslow | 3 | 1 | Slight |
| Tue 18 Jul 1989 | Hillingdon | 2 | 1 | Slight |
| Thu 20 Jul 1989 | Windsor and Maidenhead | 3 | 1 | Serious |
| Thu 20 Jul 1989 | Hounslow | 1 | 1 | Slight |
| Thu 20 Jul 1989 | Hounslow | 3 | 1 | Slight |
| Thu 20 Jul 1989 | Hillingdon | 5 | 2 | Slight |
| Thu 20 Jul 1989 | Wokingham | 4 | 1 | Serious |
| Thu 20 Jul 1989 | Wokingham | 1 | 3 | Slight |
| Fri 21 Jul 1989 | North Wiltshire | 2 | 2 | Fatal |
| Sat 22 Jul 1989 | North Wiltshire | 1 | 2 | Slight |
| Sun 23 Jul 1989 | Hounslow | 2 | 1 | Slight |
| Sun 23 Jul 1989 | North Wiltshire | 1 | 1 | Slight |
| Sun 23 Jul 1989 | North Wiltshire | 3 | 2 | Slight |
| Sun 23 Jul 1989 | Wokingham | 2 | 1 | Slight |
| Tue 25 Jul 1989 | West Berkshire | 2 | 1 | Serious |
| Tue 25 Jul 1989 | Hounslow | 2 | 1 | Slight |
| Tue 25 Jul 1989 | North Wiltshire | 2 | 1 | Serious |
| Wed 26 Jul 1989 | Swindon | 2 | 1 | Slight |
| Wed 26 Jul 1989 | Hounslow | 1 | 1 | Fatal |
| Thu 27 Jul 1989 | Hillingdon | 2 | 1 | Slight |
| Fri 28 Jul 1989 | West Berkshire | 1 | 1 | Slight |
| Fri 28 Jul 1989 | Hillingdon | 2 | 2 | Slight |
| Fri 28 Jul 1989 | Hillingdon | 2 | 1 | Slight |
| Sat 29 Jul 1989 | Slough | 2 | 3 | Serious |
| Sun 30 Jul 1989 | Hillingdon | 4 | 2 | Slight |
| Sun 30 Jul 1989 | North Wiltshire | 2 | 3 | Serious |
| Sun 30 Jul 1989 | Hounslow | 2 | 1 | Slight |
| Sun 30 Jul 1989 | Hillingdon | 2 | 1 | Slight |
| Sun 30 Jul 1989 | Hounslow | 3 | 1 | Slight |
| Sun 30 Jul 1989 | Hillingdon | 2 | 1 | Slight |
| Tue 1 Aug 1989 | West Berkshire | 1 | 1 | Serious |
| Tue 1 Aug 1989 | Hillingdon | 2 | 1 | Serious |
| Tue 1 Aug 1989 | Hounslow | 3 | 1 | Serious |
| Tue 1 Aug 1989 | Hounslow | 4 | 1 | Slight |
| Wed 2 Aug 1989 | West Berkshire | 4 | 1 | Slight |
| Thu 3 Aug 1989 | Hillingdon | 2 | 1 | Slight |
| Thu 3 Aug 1989 | Hounslow | 2 | 1 | Serious |
| Fri 4 Aug 1989 | West Berkshire | 2 | 1 | Slight |
| Fri 4 Aug 1989 | Wokingham | 1 | 2 | Slight |
| Sat 5 Aug 1989 | Swindon | 1 | 1 | Fatal |
| Sun 6 Aug 1989 | Hillingdon | 1 | 1 | Slight |
| Sun 6 Aug 1989 | Windsor and Maidenhead | 2 | 2 | Fatal |
| Sun 6 Aug 1989 | Windsor and Maidenhead | 1 | 3 | Slight |
| Sun 6 Aug 1989 | South Bucks | 3 | 4 | Slight |
| Sun 6 Aug 1989 | Hillingdon | 2 | 1 | Serious |
| Tue 8 Aug 1989 | Windsor and Maidenhead | 1 | 1 | Slight |
| Wed 9 Aug 1989 | Hillingdon | 2 | 2 | Serious |
| Wed 9 Aug 1989 | West Berkshire | 1 | 1 | Slight |
| Thu 10 Aug 1989 | West Berkshire | 2 | 1 | Serious |
| Thu 10 Aug 1989 | West Berkshire | 13 | 3 | Slight |
| Thu 10 Aug 1989 | Hounslow | 4 | 2 | Slight |
| Thu 10 Aug 1989 | Hounslow | 4 | 2 | Slight |
| Thu 10 Aug 1989 | Swindon | 1 | 1 | Slight |
| Fri 11 Aug 1989 | Hillingdon | 1 | 1 | Slight |
| Fri 11 Aug 1989 | Hillingdon | 1 | 1 | Slight |
| Fri 11 Aug 1989 | Hillingdon | 3 | 1 | Slight |
| Sat 12 Aug 1989 | Wokingham | 2 | 3 | Serious |
| Sun 13 Aug 1989 | Windsor and Maidenhead | 1 | 4 | Slight |
| Sun 13 Aug 1989 | Hillingdon | 2 | 2 | Slight |
| Sun 13 Aug 1989 | North Wiltshire | 1 | 1 | Slight |
| Tue 15 Aug 1989 | North Wiltshire | 1 | 1 | Serious |
| Tue 15 Aug 1989 | Slough | 3 | 1 | Slight |
| Tue 15 Aug 1989 | Hounslow | 2 | 1 | Slight |
| Thu 17 Aug 1989 | Hillingdon | 3 | 2 | Slight |
| Thu 17 Aug 1989 | Hounslow | 2 | 1 | Slight |
| Thu 17 Aug 1989 | Hounslow | 2 | 1 | Slight |
| Thu 17 Aug 1989 | West Berkshire | 1 | 1 | Slight |
| Fri 18 Aug 1989 | Kennet | 2 | 1 | Slight |
| Fri 18 Aug 1989 | Hounslow | 3 | 1 | Slight |
| Fri 18 Aug 1989 | Hounslow | 1 | 1 | Slight |
| Fri 18 Aug 1989 | Windsor and Maidenhead | 5 | 2 | Slight |
| Fri 18 Aug 1989 | North Wiltshire | 2 | 1 | Serious |
| Sat 19 Aug 1989 | South Bucks | 2 | 3 | Slight |
| Sat 19 Aug 1989 | South Bucks | 2 | 2 | Slight |
| Sat 19 Aug 1989 | West Berkshire | 1 | 1 | Slight |
| Sun 20 Aug 1989 | North Wiltshire | 1 | 1 | Serious |
| Sun 20 Aug 1989 | Hounslow | 2 | 5 | Serious |
| Sun 20 Aug 1989 | South Bucks | 5 | 1 | Slight |
| Sun 20 Aug 1989 | Slough | 10 | 2 | Slight |
| Sun 20 Aug 1989 | West Berkshire | 6 | 4 | Slight |
| Mon 21 Aug 1989 | North Wiltshire | 1 | 2 | Slight |
| Mon 21 Aug 1989 | West Berkshire | 1 | 1 | Serious |
| Tue 22 Aug 1989 | Reading | 2 | 1 | Slight |
| Tue 22 Aug 1989 | West Berkshire | 2 | 4 | Slight |
| Tue 22 Aug 1989 | Windsor and Maidenhead | 2 | 1 | Slight |
| Tue 22 Aug 1989 | Hounslow | 3 | 1 | Slight |
| Wed 23 Aug 1989 | West Berkshire | 2 | 2 | Slight |
| Wed 23 Aug 1989 | Hounslow | 3 | 1 | Slight |
| Thu 24 Aug 1989 | Swindon | 1 | 1 | Slight |
| Thu 24 Aug 1989 | Hillingdon | 1 | 1 | Slight |
| Thu 24 Aug 1989 | Hillingdon | 3 | 2 | Slight |
| Thu 24 Aug 1989 | Hillingdon | 3 | 2 | Slight |
| Fri 25 Aug 1989 | Slough | 2 | 1 | Slight |
| Fri 25 Aug 1989 | West Berkshire | 2 | 1 | Slight |
| Fri 25 Aug 1989 | Hillingdon | 2 | 3 | Slight |
| Fri 25 Aug 1989 | Hounslow | 2 | 1 | Slight |
| Fri 25 Aug 1989 | West Berkshire | 3 | 2 | Slight |
| Fri 25 Aug 1989 | Windsor and Maidenhead | 2 | 1 | Slight |
| Sat 26 Aug 1989 | Wokingham | 7 | 3 | Serious |
| Sat 26 Aug 1989 | Wokingham | 7 | 4 | Slight |
| Sat 26 Aug 1989 | Swindon | 1 | 1 | Slight |
| Sun 27 Aug 1989 | North Wiltshire | 1 | 1 | Serious |
| Sun 27 Aug 1989 | Hillingdon | 1 | 1 | Serious |
| Sun 27 Aug 1989 | Hillingdon | 1 | 1 | Serious |
| Mon 28 Aug 1989 | South Bucks | 2 | 1 | Slight |
| Mon 28 Aug 1989 | Hounslow | 1 | 1 | Slight |
| Tue 29 Aug 1989 | Reading | 4 | 1 | Serious |
| Wed 30 Aug 1989 | Hounslow | 5 | 2 | Slight |
| Thu 31 Aug 1989 | West Berkshire | 2 | 5 | Slight |
| Thu 31 Aug 1989 | West Berkshire | 1 | 2 | Slight |
| Fri 1 Sep 1989 | Hounslow | 2 | 1 | Slight |
| Fri 1 Sep 1989 | Hillingdon | 2 | 1 | Slight |
| Fri 1 Sep 1989 | Hillingdon | 2 | 1 | Slight |
| Thu 7 Sep 1989 | Slough | 1 | 1 | Slight |
| Thu 7 Sep 1989 | Hounslow | 2 | 3 | Serious |
| Thu 7 Sep 1989 | Hounslow | 1 | 1 | Serious |
| Fri 8 Sep 1989 | Wokingham | 1 | 4 | Slight |
| Fri 8 Sep 1989 | West Berkshire | 2 | 1 | Slight |
| Sun 10 Sep 1989 | Hounslow | 3 | 3 | Slight |
| Mon 11 Sep 1989 | Hillingdon | 2 | 2 | Slight |
| Mon 11 Sep 1989 | Hillingdon | 2 | 1 | Slight |
| Mon 11 Sep 1989 | Hillingdon | 2 | 1 | Slight |
| Mon 11 Sep 1989 | Slough | 2 | 1 | Slight |
| Tue 12 Sep 1989 | Hillingdon | 2 | 2 | Slight |
| Tue 12 Sep 1989 | Hounslow | 3 | 3 | Slight |
| Tue 12 Sep 1989 | Hillingdon | 2 | 1 | Slight |
| Tue 12 Sep 1989 | Hillingdon | 3 | 2 | Slight |
| Tue 12 Sep 1989 | Hillingdon | 2 | 1 | Slight |
| Tue 12 Sep 1989 | North Wiltshire | 2 | 1 | Slight |
| Wed 13 Sep 1989 | Wokingham | 2 | 2 | Serious |
| Fri 15 Sep 1989 | West Berkshire | 2 | 1 | Serious |
| Fri 15 Sep 1989 | Swindon | 4 | 2 | Slight |
| Sat 16 Sep 1989 | Swindon | 4 | 1 | Slight |
| Sat 16 Sep 1989 | West Berkshire | 4 | 2 | Slight |
| Sun 17 Sep 1989 | Hillingdon | 3 | 1 | Serious |
| Mon 18 Sep 1989 | Hillingdon | 2 | 1 | Slight |
| Mon 18 Sep 1989 | Hillingdon | 2 | 1 | Slight |
| Mon 18 Sep 1989 | Windsor and Maidenhead | 1 | 1 | Slight |
| Tue 19 Sep 1989 | Wokingham | 3 | 2 | Slight |
| Wed 20 Sep 1989 | Wokingham | 1 | 2 | Slight |
| Wed 20 Sep 1989 | West Berkshire | 2 | 1 | Slight |
| Wed 20 Sep 1989 | Hillingdon | 2 | 2 | Slight |
| Wed 20 Sep 1989 | Hounslow | 2 | 1 | Serious |
| Thu 21 Sep 1989 | Hillingdon | 2 | 2 | Slight |
| Thu 21 Sep 1989 | Hounslow | 3 | 2 | Slight |
| Sat 23 Sep 1989 | Hillingdon | 2 | 1 | Slight |
| Sat 23 Sep 1989 | Hillingdon | 2 | 1 | Slight |
| Sat 23 Sep 1989 | Hounslow | 2 | 1 | Slight |
| Sun 24 Sep 1989 | South Bucks | 2 | 2 | Slight |
| Mon 25 Sep 1989 | West Berkshire | 4 | 1 | Slight |
| Mon 25 Sep 1989 | Windsor and Maidenhead | 1 | 1 | Slight |
| Mon 25 Sep 1989 | Hillingdon | 2 | 1 | Slight |
| Tue 26 Sep 1989 | Windsor and Maidenhead | 2 | 1 | Serious |
| Tue 26 Sep 1989 | Wokingham | 2 | 1 | Slight |
| Wed 27 Sep 1989 | Hillingdon | 3 | 1 | Slight |
| Thu 28 Sep 1989 | South Bucks | 1 | 1 | Slight |
| Fri 29 Sep 1989 | North Wiltshire | 1 | 2 | Slight |
| Fri 29 Sep 1989 | Windsor and Maidenhead | 1 | 1 | Serious |
| Fri 29 Sep 1989 | Hillingdon | 2 | 2 | Slight |
| Sat 30 Sep 1989 | Hounslow | 3 | 1 | Serious |
| Sat 30 Sep 1989 | West Berkshire | 2 | 2 | Slight |
| Sat 30 Sep 1989 | Swindon | 2 | 3 | Slight |
| Sun 1 Oct 1989 | West Berkshire | 4 | 3 | Slight |
| Sun 1 Oct 1989 | Hounslow | 2 | 4 | Serious |
| Sun 1 Oct 1989 | Hillingdon | 2 | 1 | Slight |
| Sun 1 Oct 1989 | Hounslow | 2 | 1 | Slight |
| Sun 1 Oct 1989 | Slough | 2 | 2 | Slight |
| Mon 2 Oct 1989 | West Berkshire | 2 | 1 | Slight |
| Mon 2 Oct 1989 | Windsor and Maidenhead | 1 | 1 | Slight |
| Mon 2 Oct 1989 | Hounslow | 2 | 1 | Slight |
| Mon 2 Oct 1989 | Hillingdon | 2 | 1 | Slight |
| Mon 2 Oct 1989 | West Berkshire | 1 | 1 | Slight |
| Mon 2 Oct 1989 | Swindon | 1 | 1 | Slight |
| Tue 3 Oct 1989 | West Berkshire | 2 | 1 | Slight |
| Tue 3 Oct 1989 | Hillingdon | 2 | 1 | Slight |
| Tue 3 Oct 1989 | Kennet | 2 | 1 | Fatal |
| Tue 3 Oct 1989 | Wokingham | 2 | 1 | Serious |
| Tue 3 Oct 1989 | Slough | 2 | 1 | Slight |
| Tue 3 Oct 1989 | West Berkshire | 2 | 1 | Fatal |
| Wed 4 Oct 1989 | Wokingham | 2 | 1 | Slight |
| Wed 4 Oct 1989 | West Berkshire | 3 | 2 | Slight |
| Wed 4 Oct 1989 | North Wiltshire | 2 | 1 | Slight |
| Wed 4 Oct 1989 | West Berkshire | 2 | 1 | Slight |
| Wed 4 Oct 1989 | North Wiltshire | 3 | 1 | Slight |
| Thu 5 Oct 1989 | Hillingdon | 2 | 1 | Serious |
| Thu 5 Oct 1989 | Hillingdon | 2 | 1 | Slight |
| Thu 5 Oct 1989 | North Wiltshire | 2 | 1 | Slight |
| Thu 5 Oct 1989 | Slough | 1 | 1 | Slight |
| Fri 6 Oct 1989 | West Berkshire | 3 | 1 | Slight |
| Sat 7 Oct 1989 | Swindon | 2 | 1 | Fatal |
| Sat 7 Oct 1989 | Swindon | 1 | 4 | Serious |
| Sun 8 Oct 1989 | South Bucks | 1 | 1 | Slight |
| Tue 10 Oct 1989 | West Berkshire | 1 | 1 | Slight |
| Wed 11 Oct 1989 | Hounslow | 3 | 2 | Slight |
| Wed 11 Oct 1989 | Hillingdon | 2 | 1 | Serious |
| Thu 12 Oct 1989 | Slough | 2 | 1 | Serious |
| Thu 12 Oct 1989 | South Bucks | 2 | 2 | Slight |
| Fri 13 Oct 1989 | West Berkshire | 1 | 1 | Serious |
| Fri 13 Oct 1989 | Hounslow | 2 | 1 | Slight |
| Fri 13 Oct 1989 | Hounslow | 3 | 1 | Slight |
| Sat 14 Oct 1989 | Hounslow | 3 | 2 | Serious |
| Sun 15 Oct 1989 | West Berkshire | 1 | 2 | Serious |
| Wed 18 Oct 1989 | Hounslow | 1 | 1 | Slight |
| Thu 19 Oct 1989 | Hillingdon | 2 | 2 | Slight |
| Thu 19 Oct 1989 | Hillingdon | 2 | 3 | Slight |
| Fri 20 Oct 1989 | Windsor and Maidenhead | 3 | 1 | Slight |
| Fri 20 Oct 1989 | Hounslow | 4 | 3 | Slight |
| Fri 20 Oct 1989 | Hounslow | 2 | 1 | Slight |
| Fri 20 Oct 1989 | Windsor and Maidenhead | 4 | 1 | Slight |
| Sat 21 Oct 1989 | Hounslow | 1 | 1 | Slight |
| Sat 21 Oct 1989 | Wokingham | 3 | 2 | Slight |
| Sat 21 Oct 1989 | West Berkshire | 2 | 2 | Slight |
| Sat 21 Oct 1989 | Slough | 2 | 1 | Slight |
| Sat 21 Oct 1989 | South Bucks | 1 | 1 | Slight |
| Sun 22 Oct 1989 | Hillingdon | 2 | 1 | Slight |
| Sun 22 Oct 1989 | West Berkshire | 2 | 1 | Slight |
| Mon 23 Oct 1989 | Hillingdon | 2 | 2 | Serious |
| Mon 23 Oct 1989 | Slough | 2 | 1 | Slight |
| Mon 23 Oct 1989 | Windsor and Maidenhead | 2 | 1 | Slight |
| Mon 23 Oct 1989 | West Berkshire | 2 | 1 | Slight |
| Mon 23 Oct 1989 | Wokingham | 1 | 1 | Fatal |
| Tue 24 Oct 1989 | Hounslow | 2 | 1 | Slight |
| Thu 26 Oct 1989 | Slough | 1 | 1 | Slight |
| Thu 26 Oct 1989 | Hounslow | 2 | 1 | Slight |
| Thu 26 Oct 1989 | Kennet | 1 | 1 | Slight |
| Thu 26 Oct 1989 | Hounslow | 2 | 3 | Slight |
| Thu 26 Oct 1989 | Windsor and Maidenhead | 3 | 3 | Slight |
| Thu 26 Oct 1989 | Windsor and Maidenhead | 4 | 1 | Slight |
| Thu 26 Oct 1989 | Hillingdon | 2 | 1 | Slight |
| Fri 27 Oct 1989 | Slough | 2 | 1 | Slight |
| Fri 27 Oct 1989 | Slough | 2 | 1 | Slight |
| Sat 28 Oct 1989 | Hillingdon | 1 | 1 | Slight |
| Sun 29 Oct 1989 | Hillingdon | 2 | 2 | Slight |
| Sun 29 Oct 1989 | Windsor and Maidenhead | 10 | 1 | Slight |
| Sun 29 Oct 1989 | Windsor and Maidenhead | 1 | 1 | Slight |
| Mon 30 Oct 1989 | Windsor and Maidenhead | 3 | 1 | Slight |
| Mon 30 Oct 1989 | Windsor and Maidenhead | 3 | 4 | Slight |
| Mon 30 Oct 1989 | West Berkshire | 1 | 1 | Slight |
| Tue 31 Oct 1989 | Windsor and Maidenhead | 2 | 1 | Slight |
| Tue 31 Oct 1989 | Hillingdon | 2 | 1 | Slight |
| Tue 31 Oct 1989 | West Berkshire | 2 | 1 | Slight |
| Wed 1 Nov 1989 | Windsor and Maidenhead | 2 | 2 | Slight |
| Wed 1 Nov 1989 | Hillingdon | 2 | 1 | Slight |
| Wed 1 Nov 1989 | Windsor and Maidenhead | 2 | 1 | Slight |
| Thu 2 Nov 1989 | Slough | 2 | 1 | Serious |
| Thu 2 Nov 1989 | Hillingdon | 3 | 1 | Slight |
| Fri 3 Nov 1989 | Hounslow | 1 | 1 | Slight |
| Fri 3 Nov 1989 | Hounslow | 1 | 1 | Slight |
| Fri 3 Nov 1989 | Hillingdon | 2 | 1 | Slight |
| Fri 3 Nov 1989 | South Bucks | 3 | 1 | Slight |
| Fri 3 Nov 1989 | West Berkshire | 2 | 1 | Slight |
| Sat 4 Nov 1989 | South Bucks | 1 | 1 | Serious |
| Sat 4 Nov 1989 | South Bucks | 1 | 1 | Serious |
| Sat 4 Nov 1989 | West Berkshire | 2 | 4 | Slight |
| Sun 5 Nov 1989 | Hounslow | 3 | 2 | Slight |
| Sun 5 Nov 1989 | Hounslow | 2 | 1 | Slight |
| Mon 6 Nov 1989 | Hounslow | 3 | 1 | Slight |
| Mon 6 Nov 1989 | West Berkshire | 1 | 1 | Serious |
| Tue 7 Nov 1989 | Hillingdon | 2 | 2 | Slight |
| Wed 8 Nov 1989 | Windsor and Maidenhead | 2 | 1 | Slight |
| Wed 8 Nov 1989 | West Berkshire | 2 | 1 | Slight |
| Wed 8 Nov 1989 | Hillingdon | 3 | 1 | Slight |
| Thu 9 Nov 1989 | Swindon | 2 | 4 | Serious |
| Thu 9 Nov 1989 | Hounslow | 1 | 1 | Serious |
| Fri 10 Nov 1989 | West Berkshire | 11 | 2 | Fatal |
| Sat 11 Nov 1989 | Hillingdon | 2 | 1 | Slight |
| Sat 11 Nov 1989 | Hillingdon | 2 | 1 | Slight |
| Sat 11 Nov 1989 | Swindon | 2 | 1 | Serious |
| Sat 11 Nov 1989 | Wokingham | 2 | 1 | Slight |
| Sun 12 Nov 1989 | South Bucks | 2 | 5 | Serious |
| Mon 13 Nov 1989 | Windsor and Maidenhead | 5 | 2 | Slight |
| Thu 16 Nov 1989 | Windsor and Maidenhead | 2 | 1 | Slight |
| Sun 19 Nov 1989 | North Wiltshire | 2 | 2 | Slight |
| Sun 19 Nov 1989 | Swindon | 1 | 2 | Serious |
| Sun 19 Nov 1989 | Hounslow | 1 | 1 | Slight |
| Mon 20 Nov 1989 | North Wiltshire | 1 | 3 | Slight |
| Wed 22 Nov 1989 | West Berkshire | 2 | 1 | Slight |
| Thu 23 Nov 1989 | South Bucks | 2 | 1 | Slight |
| Fri 24 Nov 1989 | Kennet | 2 | 1 | Serious |
| Fri 24 Nov 1989 | Hounslow | 3 | 1 | Slight |
| Fri 24 Nov 1989 | Hillingdon | 3 | 1 | Slight |
| Sat 25 Nov 1989 | Swindon | 1 | 1 | Slight |
| Mon 27 Nov 1989 | Kennet | 2 | 1 | Slight |
| Tue 28 Nov 1989 | Hillingdon | 2 | 1 | Slight |
| Tue 28 Nov 1989 | Hillingdon | 2 | 1 | Slight |
| Wed 29 Nov 1989 | Hillingdon | 2 | 1 | Slight |
| Wed 29 Nov 1989 | Hounslow | 2 | 1 | Serious |
| Thu 30 Nov 1989 | Hillingdon | 1 | 2 | Slight |
| Thu 30 Nov 1989 | North Wiltshire | 1 | 1 | Slight |
| Fri 1 Dec 1989 | West Berkshire | 4 | 4 | Serious |
| Fri 1 Dec 1989 | West Berkshire | 2 | 1 | Slight |
| Fri 1 Dec 1989 | Reading | 2 | 1 | Slight |
| Sun 3 Dec 1989 | Hillingdon | 2 | 1 | Slight |
| Sun 3 Dec 1989 | Reading | 2 | 1 | Slight |
| Mon 4 Dec 1989 | Hillingdon | 3 | 3 | Serious |
| Mon 4 Dec 1989 | West Berkshire | 2 | 1 | Slight |
| Mon 4 Dec 1989 | Swindon | 3 | 1 | Slight |
| Mon 4 Dec 1989 | Hillingdon | 3 | 1 | Slight |
| Mon 4 Dec 1989 | West Berkshire | 2 | 1 | Serious |
| Tue 5 Dec 1989 | North Wiltshire | 1 | 1 | Slight |
| Tue 5 Dec 1989 | Windsor and Maidenhead | 2 | 1 | Slight |
| Wed 6 Dec 1989 | Hillingdon | 2 | 1 | Slight |
| Thu 7 Dec 1989 | North Wiltshire | 1 | 3 | Serious |
| Thu 7 Dec 1989 | Hillingdon | 2 | 1 | Slight |
| Thu 7 Dec 1989 | Hillingdon | 2 | 1 | Slight |
| Fri 8 Dec 1989 | West Berkshire | 1 | 1 | Slight |
| Fri 8 Dec 1989 | Wokingham | 1 | 2 | Slight |
| Sat 9 Dec 1989 | North Wiltshire | 2 | 1 | Slight |
| Sat 9 Dec 1989 | Reading | 2 | 1 | Slight |
| Sat 9 Dec 1989 | Slough | 1 | 1 | Slight |
| Sun 10 Dec 1989 | Wokingham | 1 | 2 | Serious |
| Sun 10 Dec 1989 | Hounslow | 1 | 1 | Slight |
| Mon 11 Dec 1989 | West Berkshire | 8 | 2 | Slight |
| Mon 11 Dec 1989 | West Berkshire | 5 | 2 | Slight |
| Mon 11 Dec 1989 | West Berkshire | 19 | 7 | Serious |
| Mon 11 Dec 1989 | West Berkshire | 3 | 4 | Serious |
| Tue 12 Dec 1989 | Wokingham | 1 | 2 | Serious |
| Tue 12 Dec 1989 | Hillingdon | 2 | 3 | Slight |
| Wed 13 Dec 1989 | Hounslow | 3 | 2 | Slight |
| Thu 14 Dec 1989 | Hounslow | 1 | 2 | Slight |
| Thu 14 Dec 1989 | Windsor and Maidenhead | 2 | 1 | Slight |
| Thu 14 Dec 1989 | Windsor and Maidenhead | 3 | 5 | Serious |
| Sat 16 Dec 1989 | West Berkshire | 1 | 1 | Serious |
| Sat 16 Dec 1989 | West Berkshire | 2 | 1 | Slight |
| Sat 16 Dec 1989 | Swindon | 6 | 3 | Serious |
| Sun 17 Dec 1989 | Swindon | 1 | 1 | Slight |
| Mon 18 Dec 1989 | Windsor and Maidenhead | 3 | 1 | Slight |
| Mon 18 Dec 1989 | Wokingham | 3 | 1 | Slight |
| Tue 19 Dec 1989 | Hounslow | 2 | 1 | Slight |
| Wed 20 Dec 1989 | West Berkshire | 2 | 1 | Slight |
| Wed 20 Dec 1989 | Hillingdon | 2 | 3 | Slight |
| Wed 20 Dec 1989 | Hillingdon | 2 | 3 | Slight |
| Wed 20 Dec 1989 | Wokingham | 3 | 3 | Serious |
| Wed 20 Dec 1989 | Wokingham | 3 | 3 | Serious |
| Thu 21 Dec 1989 | West Berkshire | 2 | 1 | Slight |
| Thu 21 Dec 1989 | South Bucks | 1 | 1 | Serious |
| Fri 22 Dec 1989 | Hounslow | 2 | 1 | Slight |
| Sat 23 Dec 1989 | Hillingdon | 2 | 2 | Slight |
| Sat 23 Dec 1989 | Hillingdon | 3 | 2 | Slight |
| Sat 23 Dec 1989 | South Bucks | 4 | 1 | Slight |
| Sat 23 Dec 1989 | West Berkshire | 3 | 1 | Slight |
| Sat 23 Dec 1989 | Wokingham | 5 | 2 | Slight |
| Sun 24 Dec 1989 | West Berkshire | 3 | 1 | Slight |
| Mon 25 Dec 1989 | West Berkshire | 1 | 3 | Serious |
| Wed 27 Dec 1989 | West Berkshire | 2 | 2 | Slight |
| Fri 29 Dec 1989 | Wokingham | 2 | 3 | Slight |
| Sat 30 Dec 1989 | Windsor and Maidenhead | 2 | 4 | Slight |
| Sun 31 Dec 1989 | Hillingdon | 2 | 2 | Slight |
| Sun 31 Dec 1989 | Slough | 2 | 2 | Serious |