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Comment Re:Red light cameras increase both crashes and saf (Score 1) 499

The 2007 Virginia DOT study showed that there was an overall increase in total crashes of 23% and an injury crash increase of 17% after the installation of RLCs at intersections. The study concludes that: "the cameras are associated with a net increase in comprehensive crash costs".

The 2005 FHWA study that you keep citing uses data from over a decade ago, and also showed a 10% increase in the fatality rate after red light cameras were installed. The data that the FHWA used was also anonymous, so there is no possibility of verifying the data or analysis by a third party.

Comment Re:Red light cameras increase both crashes and saf (Score 1) 499

The IIHS study you cite in Philadelphia was for only 2 intersections, it was for a very limited time period, and they don't mention it in the study but crashes went up after installation of red light cameras. It is another in a long line of invalid and unprofessional studies that the IIHS has done on red light cameras. The 2007 Virginia DOT red light camera study is one of the most comprehensive studies done on the subject, and it also found crashes went up after cameras were installed.

"What people have been reduced to are mere 3-D representations of their own data." -- Arthur Miller