Posted Dec 6, 2013, 5:27 PM
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Registered User
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Join Date: May 2007
Location: East OV!
Posts: 21,788
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Washington state has many digital speed limit signs that change based on traffic flow.
They are even "per lane" as sometimes the HOV has higher rates than the regular lanes, due to less congestion, etc.
I know it's a pilot project, I wonder if/when results will be available.
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