It was a long time ago.

The front is the west entrance and the 1st floor of the Shinkansen can ride the ban over east line, the ban overpass line, Mito line, Tohoku main line. On the second floor, if you go south in the Shinkansen entrance, you will be in the East entrance. You can go even without a ticket. There is an overpass at the south 500 meters in front of the station by car. There is a Gart road under the track in the north direction.