This Fourth of July weekend traffic may be one of the busiest ever, with more than 40 million Americans expected to get behind the wheel. Even as gasoline prices continue to soar, the American Automobile Association (AAA) said that some 43.6 million are traveling for the holiday. That represents a 40 percent increase compared with the previous July 4 weekend. “Overall, just 2.5 percent fewer Americans are expected to travel this year compared to Independence Day in 2019,” AAA wrote in a report. But, it noted that it “represents an increase of nearly 40 percent compared to last year, when total travel fell to 34.2 million.” More than 91 percent will travel via car despite the highest gas prices seen in seven years, the group noted. The national average, according to AAA, is $3.130 per gallon—or nearly a dollar more than prices were a year ago at this time. California, as usual, had …