Camera sites, number by year of intervention, speed limit, and road class
| No of sites | |
|---|---|
| mph, miles per hour. | |
| Motorway, road with multiple lanes with traffic in either direction physically separated and with entrance and exits only from the slow lane. | |
| A-road, trunk and principal roads (excluding motorways), which are part of the strategic highway network linking major towns and cities, frequently, but not always, dual carriageways. | |
| B-road, non-A class or motorway roads which connect villages or towns. | |
| Year of intervention | |
| 1996 | 8 |
| 1997 | 7 |
| 1998 | 19 |
| 1999 | 26 |
| 2000 | 41 |
| Speed limit (mph) | |
| 30 | 76 |
| 40–50 | 5 |
| 60–70 | 20 |
| Road class | |
| Motorway | 8 |
| A-road | 37 |
| B-road | 25 |
| Other road | 31 |
| Total | 101 |