michael769 wrote:It is perhaps worth reading the full report and taking note of the many important caveats most notably:Motorists may still be under the impression that the cameras are working as the housings are
regularly maintained and not covered in bags stating they are out of use. Previous, unpublished
research by the author has shown that bagged cameras have an immediate impact on vehicles
speeds, which return to normal once the bags are removed.
Does it matter if their speeds increase if the accident rate stays lower?