Ask Joe: Sprinklers on I-580 ?

Reported by: Joe Hart
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Updated: 12/23/2013 10:38 pm
From the Ask Joe file a question tonight about something you may have noticed if you drive between Reno and Carson City.
Scott Catron wrote in to say he noticed while driving on I-580 there appear to be pop-up sprinkler heads in the center lane of the highway.   Scott says they sprayed a clear liquid on the roadway and he wants to know what they're for ?

I checked with Scott Magruder at NDOT about this. He says the devices we asked about are automatic de-icers. They turn on when the temperature drops to 30 degrees and they spray a salt water mixture that helps keep the road from freezing up.
  The sprinklers are about the size of a hockey puck.  They are in place on four of the bridges on I-580 including the Galena Creek Bridge, where the speed limit is 70 mph.  
So don't be alarmed if you them in action. Magruder says they work well and it's just another effort at keeping the roads safe.

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