Here we show some graphics that may be used. You can right click on any of the images to download them.
How 20mph/30kmh limits with public engagement beat physical calming in cost effectiveness
Impact speeds (MPH) and the equivalent fall from height.
The field of vision to observe pedestrians at 20mph and 30mph
How vehicle noise decreases between 30mph and 20mph. A 3db decrease is equivalent to halving the noise.
British Social Attitude Surveys over the years have shown a consistent 70% in favour of 20mph for residential roads.
Risk of death for children
Speed: The facts. Taken from a WHO publication.
Healthier, Safer, Cleaner graphic
How speed Kills Infographic
20 Saves a Plenty graphic from Bristol Cycling
Its physics! People ask about how 20mph limits reduces emissions. This graphic shows the difference in energy (from fuel) required to reach 20mph or 30mph.