東武50000系列を中心に掲載しています。
Tobu Series 50000 has been built by Hitachi since 2005. It shares many features with Seibu's Series 20000, including its aluminum double-skin body and offset gangway door. The family includes several variants: Series 50090 for TJ Liner services, Series 50070 for the Tojo and Yurakucho lines, and Series 50050 for the Isesaki and Hanzomon lines.