Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Wed 13 Jan 1999 | Teesdale | 2 | 2 | Slight |
| Sun 17 Jan 1999 | Teesdale | 2 | 3 | Serious |
| Thu 18 Feb 1999 | Darlington | 1 | 2 | Slight |
| Fri 14 May 1999 | Darlington | 3 | 1 | Slight |
| Sat 29 May 1999 | Darlington | 1 | 1 | Slight |
| Fri 2 Jul 1999 | Darlington | 2 | 1 | Slight |
| Thu 8 Jul 1999 | Darlington | 2 | 1 | Slight |
| Wed 18 Aug 1999 | Teesdale | 1 | 1 | Slight |
| Wed 18 Aug 1999 | Darlington | 2 | 1 | Slight |
| Thu 30 Sep 1999 | Darlington | 2 | 1 | Slight |
| Tue 26 Oct 1999 | Teesdale | 2 | 2 | Serious |
| Tue 23 Nov 1999 | Darlington | 2 | 1 | Slight |
| Sun 19 Dec 1999 | Darlington | 2 | 1 | Slight |
| Wed 22 Dec 1999 | Darlington | 1 | 2 | Slight |