Oakland, California Accidents Decreased with Longer Yellow Times

Longer yellow times had more of a safety effect than the use of red light cameras in Oakland, California.
TheNewspaper
Sep. 26, 2012

An analysis of accidents in Oakland, California suggests lengthening yellow times at red light camera intersections produced more of a safety benefit than the introduction of photo enforcement. As TheNewspaper reported last week, the city's transportation department experimented for about four months with increased yellow warning times at camera intersections until the police lieutenant who worked with the camera vendor Redflex Traffic Systems complained about what he saw as an alarming reduction in the number of citations being issued. The timing was then shortened back to its original value.

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