Less movement means there is less contact and fewer opportunities for the virus to infect others.  This chart from IMHE , although marked “Social Distancing,” is actually showing how much we’re moving in Washington. From late October to Nov. 10, cell phone data shows 29% less movement than in pre-pandemic January. While that data is lagging by several weeks, new data from the Washington State Department of Transportation (WSDOT) suggests a similar trend, showing that vehicle traffic is dropping again. It's down 22% on average from where we previous were at this time in 2019. The numbers are arrived at differently. WSDOT has counters embedded in the pavement. IMHE uses cell phone data that would also pick up people moving in cars. “That is data that can track you and say how many people went to a place. That data on mobility is very good and very rich. You can see how much travel has happened, where people traveled to and so on,” said Dr.


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