The ten busiest USA border points, based on the number of inspections, are listed below. (Numbers are millions of inspections)

  1. Windsor-Detroit Tunnel (16)
  2. Ambassador Bridge, Detroit (15.6)
  3. Niagara Falls, NY (14.1)
  4. Peace Bridge, Buffalo (8.2)
  5. Port Huron, Michigan (8.1)
  6. Blaine, Washington (5.7)
  7. Sault Ste. Marie, Michigan (4.4)
  8. Pacific Highway, Washington (3.7)
  9. Calais, Maine (3.3)
  10. Massena, New York (3.2)

Source: USA Today, 15 March 2000

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