Saitama Super Arena is right near JR Saitama-Shintoshin Station, about 40 min. from Tokyo Station on the JR Takasaki Line (30 min. via Ueno-Tokyo Line) and Keihin-Tohoku Line (42 min.).

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Filename:	sa300-20190825-7268.jpg
Album name:	philbert / Saitama Super Arena + Basketball さいたまスーパーアリーナ
Keywords:	saitama / super / arena
Filesize:	40 KiB
Date added:	Jan 29, 2020
Dimensions:	600 x 400 pixels
Displayed:	75 times
IPTC Copyright:	PHOTOGUIDE.JP
URL:	https://photoguide.jp/pix/displayimage.php?pid=69758
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Very convenient because this train line runs between Saitama and Yokohama and passes through central Tokyo including major train stations.