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Traffic Maps Print E-mail
How to Read Traffic Volume Maps

The numbers shown on the maps represent number of vehicles traveling in the direction of the arrow during the P.M. Peak Hour. (These maps are the City's most current version.)

Traffic Map - East side of U.S. 101

Traffic Map - West side of U.S. 101
Generally, Average Daily Traffic "ADT" (24 hour volume) is obtained by taking the numbers of the two different directions at a location, adding them together, then adding a 0 to the new number. For example on Rohnert Park Expressway between Commerce Blvd and State Farm Dr. the Eastbound PM Peak Hour Traffic Volume is 1280 vehicles and the Westbound PM Peak Hour Traffic Volume is 935 by adding them together, 2215 vehicles is obtained for the PM Peak Hour , then add a 0 to this number to obtain the ADT of 22150 vehicles per day.
 
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6750 Commerce Blvd | Rohnert Park, CA 94928 | (707) 588-2200 | (707) 588-2274