Fatal
Serious
Slight
Uncategorised
| Date | Local Authority | Vehicles | Casualties | Severity |
|---|---|---|---|---|
| Fri 19 Jan 1990 | East Hertfordshire | 2 | 1 | Slight |
| Thu 8 Feb 1990 | East Hertfordshire | 2 | 1 | Slight |
| Fri 9 Feb 1990 | East Hertfordshire | 2 | 1 | Serious |
| Wed 14 Mar 1990 | East Hertfordshire | 2 | 2 | Slight |
| Fri 16 Mar 1990 | East Hertfordshire | 2 | 1 | Slight |
| Tue 10 Jul 1990 | East Hertfordshire | 2 | 2 | Slight |