The staff are on hols as it is Golden Week this week - tis where most of Japan either goes on holiday or spends it in traffic jams. To make things worse, the government decided to make it so that
1000 yen allows you to use the highways as much as you want - would usually cost you much more if you wanted to go by car from Tokyo to Osaka for example.
Due to the
1000 yen deal, the highways have been more packed than previous years with tail backs going on for over 30 kilometers.