You can check the latest train status information from the official website provided by each JR company (below).Some websites don't show the information in detail, so we recommend you to go to the JR station directly to find the latest information and make any changes to your ticket if needed.JR Central (Tokaido Shinkansen: Tokyo - Kyoto - Shin-Osaka)https://global.jr-central.co.jp/en/JR West (Sanyo Shinkansen: Shin-Osaka - Okayama - Hiroshima - Hakata)https://global.trafficinfo.westjr.co.jp/en/sanyo/JR West (Hokuriku Shinkansen: Kanazawa - Toyama - Joetsumyoko)https://global.trafficinfo.westjr.co.jp/en/h_shinkansen/JR East (Tohoku Shinkansen: Tokyo - Sendai - Akita - Shin-Aomori - Shin-Hakodate Hokuto)http://traininfo.jreast.co.jp/train_info/e/service.aspxJR East also provides a telephone-based service for non-Japanese customers. Information is provided in English, Chinese and Korean. http://www.jreast.co.jp/e/customer_support/infoline.htmlPlease visit the official information provided by JR below for ticket refund rules in case your reserved train is canceled or delayed due to an accident, earthquake, bad weather (typhoon, heavy rain, heavy snow, etc.), or any other circumstances.http://www.jreast.co.jp/e/ticket/changes.html(Please refer to the "Train cancelations and delays" section)