More than 122 million Americans will be traveling during the 13-day holiday period this month, nearly 3 million more than last year, according to the Automobile Association of America. This follows the trend of record-high increases, seen each year except for 2020.

While most of these travelers (an estimated 109 million) will be in cars, more than 13 million others will be traveling in crowded trains, buses and airplanes. This mass movement comes, like most years, at a........

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