21.  Many people return to their hometowns in other parts of Japan, making it one of the busiest travel seasons of the year.

22.  On the busiest travel day of the year in the United States, no one was going anywhere around Mammoth Mountain.

23.  She said the biggest potential for problems would be Sunday, which is expected to be the busiest travel day of the holiday.

24.  She said the biggest potential for problems would be Sunday, which is expected to be the busiest travel day of the long Thanksgiving weekend.

25.  The idea is to reduce vehicle emissions during the busiest travel times for the Olympic events.

26.  The shut down delayed thousands of Japanese tourists, who were about to leave for overseas vacations as the nation enters one of its busiest travel seasons.

27.  This is the third busiest travel weekend in the year, and extra police have been deployed in airports, train stations and on the highways.