GWの利用状況
[JR北海道]
https://www.jrhokkaido.co.jp/CM/Info/press/pdf/20180507_KOGWzisseki.pdf
[JR東日本]
http://www.jreast.co.jp/press/2018/20180501.pdf
[JR東海]
http://jr-central.co.jp/news/release/_pdf/000037110.pdf
[JR西日本]
https://www.westjr.co.jp/press/article/2018/05/page_12327.html
[JR四国]
http://www.jr-shikoku.co.jp/03_news/press/2018%2005%2007.pdf
[JR九州]
http://www.jrkyushu.co.jp/news/__icsFiles/afieldfile/2018/05/08/180507NewsreleaseGWJRK2.pdf
https://www.jrhokkaido.co.jp/CM/Info/press/pdf/20180507_KOGWzisseki.pdf
[JR東日本]
http://www.jreast.co.jp/press/2018/20180501.pdf
[JR東海]
http://jr-central.co.jp/news/release/_pdf/000037110.pdf
[JR西日本]
https://www.westjr.co.jp/press/article/2018/05/page_12327.html
[JR四国]
http://www.jr-shikoku.co.jp/03_news/press/2018%2005%2007.pdf
[JR九州]
http://www.jrkyushu.co.jp/news/__icsFiles/afieldfile/2018/05/08/180507NewsreleaseGWJRK2.pdf