Mystery poles on Ridgetop at Pinnacle

The in box: Larry Ficca e-mailed to say, “I have recently noticed two poles, each with a device on top that could be a camera.  They are located on Ridgetop Boulevard in Silverdale, about five hundred feet on either side of the traffic light at the intersection of Ridgetop Boulevard and Pinnacle Court.  Each device is pointed toward the traffic approaching the intersection. 
 “Are these devices cameras or something else?” he asked.


The in box: Larry Ficca e-mailed to say, “I have recently noticed two poles, each with a device on top that could be a camera.  They are located on Ridgetop Boulevard in Silverdale, about five hundred feet on either side of the traffic light at the intersection of Ridgetop Boulevard and Pinnacle Court.  This area along Ridgetop Boulevard is a school zone.  Each device is pointed toward the traffic approaching the intersection.
“There are no similar poles on Pinnacle Court,” he said. “There seem to be sensors in the road on Pinnacle Court that trigger the traffic light to turn green whenever a car approaches the intersection.  Otherwise, the traffic light seems to stay green for traffic along Ridgetop Boulevard.
 “Are these devices cameras or something else?” he asked. “If they are not cameras, what are they?  What are they used for?  They don’t seem to be used to control the traffic light.  Are they now used for some other purpose, such as traffic enforcement?  If so, what are the details? If they are not presently being used for traffic enforcement, are there any plans to use them for traffic enforcement in the future?”
The out basket: They are sensors that allow approaching emergency vehicles to change the traffic light just around the curve at Pinnacle to green as they approach. You’ll find the same thing at most if not all signalized intersections near a curve. If the emergency vehicle had to wait until the signal was in sight, the light might not change before it got there, That’s especially true if a pedestrian has activated the walk light to cross, said Capt. Robert Law of Central Kitsap Fire and Rescue. The sensor won’t change a pedestrian signal as it does those that control cars.
I’ve written in the past about those at the arching off-ramp from eastbound Waaga Way to Central Valley Road, and on Port Orchard Boulevard approaching Tremont.
In checking Larry’s question, I also noticed another one on Ridgetop Boulevard at its north end, just ahead of it’s intersection with Silverdale Way.

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