|Rank||U.S. Customs port/crossing||Passengers in personal vehicles per day||Personal vehicles per day||Daily port share of personal vehicles crossing U.S.-Canada border (percent)|
|4||Port Huron, MI||18,810||6,390||6.3|
|10||Derby Line, VT||4,144||2,190||2.2|
|Total, top 10 ports||190,909||76,883||76.0|
|Total,all U.S.-Canada border crossings||246,704||101,137||100.0|
NOTE: Rank is based on the number of personal vehicle crossings per day.
SOURCES: U.S. Department of Transportation, Bureau of Transportation Statistics,special tabulation, June 2001; based on U.S. Department of Treasury, U.S. Customs Service, Mission Support Services, Office of Field Operations, Operations Management Database CD.