Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Thu 14 Jan 1999 | Redcar and Cleveland | 2 | 1 | Slight |
| Fri 22 Jan 1999 | Middlesbrough | 3 | 4 | Slight |
| Tue 26 Jan 1999 | Middlesbrough | 1 | 1 | Slight |
| Wed 27 Jan 1999 | Redcar and Cleveland | 1 | 3 | Slight |
| Wed 3 Feb 1999 | Middlesbrough | 2 | 1 | Slight |
| Mon 8 Feb 1999 | Redcar and Cleveland | 2 | 1 | Slight |
| Wed 10 Feb 1999 | Middlesbrough | 1 | 1 | Serious |
| Sat 13 Feb 1999 | Redcar and Cleveland | 1 | 1 | Slight |
| Wed 24 Feb 1999 | Middlesbrough | 2 | 1 | Slight |
| Wed 17 Mar 1999 | Redcar and Cleveland | 2 | 1 | Slight |
| Mon 29 Mar 1999 | Middlesbrough | 1 | 1 | Slight |
| Thu 1 Apr 1999 | Middlesbrough | 3 | 1 | Slight |
| Mon 12 Apr 1999 | Middlesbrough | 2 | 3 | Slight |
| Sun 25 Apr 1999 | Redcar and Cleveland | 2 | 1 | Serious |
| Sun 30 May 1999 | Middlesbrough | 1 | 2 | Serious |
| Fri 11 Jun 1999 | Middlesbrough | 2 | 1 | Slight |
| Mon 14 Jun 1999 | Redcar and Cleveland | 2 | 1 | Slight |
| Mon 5 Jul 1999 | Redcar and Cleveland | 4 | 3 | Slight |
| Thu 8 Jul 1999 | Redcar and Cleveland | 2 | 1 | Slight |
| Fri 16 Jul 1999 | Redcar and Cleveland | 1 | 1 | Slight |
| Tue 17 Aug 1999 | Redcar and Cleveland | 2 | 2 | Serious |
| Fri 20 Aug 1999 | Middlesbrough | 2 | 1 | Slight |
| Thu 26 Aug 1999 | Middlesbrough | 2 | 1 | Slight |
| Thu 26 Aug 1999 | Redcar and Cleveland | 1 | 1 | Slight |
| Wed 1 Sep 1999 | Redcar and Cleveland | 3 | 2 | Slight |
| Fri 10 Sep 1999 | Redcar and Cleveland | 1 | 1 | Slight |
| Tue 14 Sep 1999 | Redcar and Cleveland | 2 | 1 | Slight |
| Sat 18 Sep 1999 | Middlesbrough | 1 | 1 | Serious |
| Wed 22 Sep 1999 | Redcar and Cleveland | 1 | 2 | Slight |
| Sun 26 Sep 1999 | Redcar and Cleveland | 1 | 1 | Serious |
| Sun 26 Sep 1999 | Middlesbrough | 2 | 3 | Slight |
| Mon 27 Sep 1999 | Middlesbrough | 2 | 2 | Slight |
| Thu 7 Oct 1999 | Redcar and Cleveland | 2 | 2 | Slight |
| Mon 11 Oct 1999 | Middlesbrough | 2 | 2 | Slight |
| Mon 11 Oct 1999 | Redcar and Cleveland | 1 | 1 | Slight |
| Thu 21 Oct 1999 | Middlesbrough | 2 | 1 | Slight |
| Mon 25 Oct 1999 | Redcar and Cleveland | 2 | 1 | Slight |
| Sun 31 Oct 1999 | Middlesbrough | 2 | 1 | Slight |
| Mon 8 Nov 1999 | Middlesbrough | 2 | 1 | Slight |
| Fri 26 Nov 1999 | Redcar and Cleveland | 2 | 1 | Slight |
| Sat 4 Dec 1999 | Redcar and Cleveland | 2 | 1 | Slight |
| Tue 7 Dec 1999 | Redcar and Cleveland | 2 | 2 | Slight |
| Sat 18 Dec 1999 | Redcar and Cleveland | 2 | 2 | Slight |
| Tue 21 Dec 1999 | Middlesbrough | 1 | 1 | Slight |
| Wed 22 Dec 1999 | Redcar and Cleveland | 2 | 2 | Serious |
| Fri 24 Dec 1999 | Middlesbrough | 2 | 1 | Slight |