The Florida Department of Transportation has forbidden most cities from setting the yellow intervals long enough for the actual approach speeds of at least 85 percent of the cars since September 2013: Before July 2011, yellow intervals were set for the actual 85th percentile approach speed or the posted speed limit, whichever was greater, because posted limits are often improperly set lower than the safest 85th percentile speed levels. […] For three years, the Florida House has voted to ban red-light cameras, but the bills were stopped in the Senate, usually by committee chairs refusing to even hold hearings.
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