Average stopping distances

You must always leave enough space between you and the vehicle in front in order to be able to stop safely in the event of an incident. In good weather conditions this should be a two-second gap. This should be increased to at least a four-second gap in poor weather conditions. 

In dry weather conditions, with good tyres and an average car, stopping distances are likely to be: (click on the image below to view information)

 

 

 

Image courtesy of direct.gov.uk.