Benefit

Automated speed enforcement systems have reduced speed by 10 percent, decreased all crash injuries by 20 percent, and reduced serious and fatal crash injuries by 50 percent.

Experience with automated speed enforcement systems in London, England.


March 1995
London,England


Summary Information

Camera enforcement equipment has been instrumental in saving lives through speed reduction and by limiting red-light running. At a minimum, a 20 percent reduction in injury accidents can be expected which can often be as high as 80 percent using the infamous 'spy' cameras.

Initial indications from the speed cameras installed in London show:
  • Speed has been reduced by about 10 percent
  • All casualties have been reduced by about 20 percent
  • Fatal and serious casualties have been reduced by about 50 percent

Based on the casualty reduction of 20 percent, the reduction in off-peak casualties would be 58 percent in three years. At an average cost of 26,580 pounds sterling per casualty, the estimated cost savings would be 1,541,640, or 513,880 pounds sterling per year.

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Source

Life-Saving Speed Camera Technology

Author: Harris, John and Mary Sands

Published By: Traffic Technology International

Source Date: March 1995

URL: http://trid.trb.org/view/1995/C/1168136

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Goal Areas

Safety

Typical Deployment Locations

Metropolitan Areas

Keywords

photo enforcement, speed cameras, automated speed enforcement, automated enforcement, photo radar, red light running

Benefit ID: 2000-00087