Sedona AZ (August 22, 2012) – It’s back to the red, yellow and green for the Sedona traffic controllers. In December of 2008, the City of Sedona changed the operation of a AZ State Route 89A traffic signal, uptown mid-block location for pedestrian crossovers, from a green-yellow-red traffic signal to a flashing yellow signal. This was an attempt to determine if a flashing yellow caution...