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of MacroSys Research and Technology assisted BTS in various aspects of the survey. Frank Southworth, Shih-Miao Chin, and Bruce Peterson of Oak Ridge National Laboratory, provided support to BTS staff in performing the mileage calculations for the survey. Special acknowledgment is also due to the many businesses whose cooperation has contributed to the publication of these data.doi:10.21949/1521289 fatcat:j6yzpeglijbz7bdy4m4hnai3ze