Historical Traffic

San Francisco - Click for Current

<-Previous Day <-Previous hour Wednesday 9pm-10pm Oct-30 Next hour-> Next Day->
This is a map of historical traffic over 1 hour of time. The colored lines represent speed.

Red < 15 Orange > 15 and < 30 Yellow > 30 and < 45 Blue > 45 and < 60 Green > 60

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Predicting freeway traffic