Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Tue 5 Jan 1999 | Mid Sussex | 2 | 1 | Slight |
| Tue 12 Jan 1999 | Reigate and Banstead | 2 | 1 | Slight |
| Wed 13 Jan 1999 | Crawley | 2 | 3 | Slight |
| Thu 14 Jan 1999 | Crawley | 2 | 1 | Slight |
| Sat 16 Jan 1999 | Mid Sussex | 1 | 2 | Serious |
| Thu 21 Jan 1999 | Reigate and Banstead | 2 | 1 | Serious |
| Tue 9 Feb 1999 | Crawley | 2 | 2 | Slight |
| Fri 12 Feb 1999 | Crawley | 1 | 1 | Slight |
| Wed 24 Feb 1999 | Crawley | 2 | 1 | Slight |
| Sat 13 Mar 1999 | Mid Sussex | 2 | 1 | Slight |
| Wed 17 Mar 1999 | Crawley | 2 | 1 | Serious |
| Mon 29 Mar 1999 | Mid Sussex | 2 | 2 | Slight |
| Tue 6 Apr 1999 | Mid Sussex | 2 | 1 | Serious |
| Thu 8 Apr 1999 | Crawley | 2 | 1 | Slight |
| Sat 10 Apr 1999 | Mid Sussex | 2 | 1 | Slight |
| Mon 12 Apr 1999 | Crawley | 2 | 1 | Slight |
| Wed 21 Apr 1999 | Mid Sussex | 3 | 7 | Slight |
| Sat 24 Apr 1999 | Mid Sussex | 1 | 1 | Serious |
| Mon 26 Apr 1999 | Mid Sussex | 2 | 3 | Serious |
| Mon 26 Apr 1999 | Mid Sussex | 2 | 8 | Slight |
| Sun 9 May 1999 | Crawley | 2 | 2 | Slight |
| Tue 11 May 1999 | Crawley | 3 | 1 | Slight |
| Fri 14 May 1999 | Crawley | 2 | 1 | Slight |
| Sun 16 May 1999 | Crawley | 2 | 1 | Serious |
| Sun 30 May 1999 | Reigate and Banstead | 2 | 3 | Slight |
| Tue 1 Jun 1999 | Reigate and Banstead | 3 | 2 | Slight |
| Sun 6 Jun 1999 | Reigate and Banstead | 2 | 1 | Slight |
| Sun 13 Jun 1999 | Mid Sussex | 2 | 2 | Slight |
| Thu 17 Jun 1999 | Mid Sussex | 2 | 1 | Slight |
| Sat 19 Jun 1999 | Reigate and Banstead | 3 | 3 | Slight |
| Sat 19 Jun 1999 | Reigate and Banstead | 2 | 1 | Slight |
| Mon 19 Jul 1999 | Crawley | 2 | 2 | Slight |
| Thu 22 Jul 1999 | Crawley | 3 | 1 | Slight |
| Sat 7 Aug 1999 | Crawley | 2 | 1 | Slight |
| Thu 19 Aug 1999 | Reigate and Banstead | 1 | 1 | Slight |
| Sun 19 Sep 1999 | Mid Sussex | 1 | 1 | Slight |
| Sat 25 Sep 1999 | Reigate and Banstead | 2 | 1 | Serious |
| Tue 28 Sep 1999 | Reigate and Banstead | 2 | 1 | Slight |
| Wed 29 Sep 1999 | Crawley | 2 | 2 | Slight |
| Fri 1 Oct 1999 | Mid Sussex | 2 | 3 | Serious |
| Fri 1 Oct 1999 | Reigate and Banstead | 1 | 2 | Slight |
| Sat 16 Oct 1999 | Reigate and Banstead | 2 | 1 | Slight |
| Sat 16 Oct 1999 | Reigate and Banstead | 2 | 1 | Slight |
| Sat 23 Oct 1999 | Reigate and Banstead | 3 | 1 | Slight |
| Mon 1 Nov 1999 | Reigate and Banstead | 1 | 1 | Slight |
| Sat 6 Nov 1999 | Reigate and Banstead | 2 | 1 | Slight |
| Sat 13 Nov 1999 | Crawley | 1 | 1 | Serious |
| Sat 13 Nov 1999 | Crawley | 1 | 1 | Serious |
| Tue 16 Nov 1999 | Crawley | 2 | 2 | Slight |
| Fri 19 Nov 1999 | Mid Sussex | 2 | 2 | Serious |
| Thu 25 Nov 1999 | Mid Sussex | 1 | 1 | Slight |
| Tue 30 Nov 1999 | Reigate and Banstead | 2 | 1 | Slight |
| Wed 15 Dec 1999 | Crawley | 2 | 1 | Slight |
| Thu 30 Dec 1999 | Crawley | 2 | 1 | Slight |