Tsukuba Express
…in Ishioka, the portion of the line from Moriya to Tsukuba operates on alternating current. As a result, three train models are used on the line: TX-1000 series DC-only trains, which can operate only between Akihabara and Moriya, and TX-2000 series and TX-3000 series dual-voltage AC/DC trains, both of which can…