1. Classification of Japanese train kind
| Kanji | hiragana | pronunciation | English | Use Comp.& charge*1 |
| 快速特急 | かいそくとっきゅう | kaisoku-tokkyu | Rapid Ltd.Exp. | PR |
| 特急 | とっきゅう | tokkyu | Limited Express | JR,PR |
| 通勤特急 | つうきんとっきゅう | tsukin-tokkyu | Commuter Ltd.Exp | PR |
| 新特急 | しんとっきゅう | shin-tokkyu | New Ltd.Exp. | JR |
| 快速急行 | かいそくきゅうこう | kaisoku-kyukoh | Rapid Express | PR |
| 急行 | きゅうこう | kyukoh | Express | JR,PR |
| 通勤急行 | つうきんきゅうこう | tsukin-kyukoh | Commuter Express | PR |
| 区間急行 | くかんきゅうこう | kukan-kyukoh | Regional Express | PR |
| 準急 | じゅんきゅう | junkyu | Semi Express | PR |
| ライナー | らいなー | liner | Rapid (Order-in-line) | JR |
| 新快速 | しんかいそく | shin-kaisoku | New Rapid *2 | JR |
| 特別快速 | とくべつかいそく | tokubetsu-kaisoku | Special Rapid | JR,PR |
| 区間快速 | くかんかいそく | kukan-kaisoku | Regional Rapid | JR,PR |
| 通勤快速 | つうきんかいそく | tsukin-kaisoku | Commuter Rapid | PR |
| 快速 | かいそく | kaisoku | Rapid | JR,PR |
| 普通 | ふつう | futsu | Local | JR,PR |
| 各駅停車 | かくえきていしゃ | kakueki-teisya | Local (Each station stop) | PR |
*1 Charge
red : A charge is necessary for all the trains.
blue : It is free by the company.
brack : A charge is unnecessary by train
of all the companies.(A special seat is removed.)
*2 JR-west is indicating "special rapid".
2. The train classification of the major private railway each company and charge
| company | Ltd.exp. | commuter Ltd. | express |
| Tobu railway | Necessity | - | necessity |
| keisei railway | Only a special train is necessary. | unnecessary | |
| Seibu railway | Necessity | - | |
| Keio Teito railway | unnecessary | - | |
| Odakyu railway | Necessity | - | |
| Tokyu Railway | - | - | |
| Keihin kyukoh railway | unnecessary | necessity | |
| Nagoya railway | Only a reserved seat car is necessary. | - | |
| Kinki Nippon railway | Necessity | - | |
| Nankai railway | Only a reserved seat car is necessary. | - | |
| Keihan railway | unnecessary | - | |
| Hankyu railway | unnecessary | unnecessary | |
| Hanshin railway | unnecessary | - | |
| Nishinihon railway | unnecessary | - | |
3.The minor and local private railway which a charge is necessary for
| company | kind | company | kind | |
| Chichibu railway | express,SL-express | Akita Nairiku Jyukan railway | express | |
| Mooka railway | SL-train | Izu kyuko railway | Ltd-exp.,Royal-box | |
| Izu Hakone railway | JR extended Ltd-exp. | Oigawa railway | Express,SL-express | |
| Ise railway | JR extended Ltd-exp. | Noto railway | express | |
| Hokuetsu kyuko railway | JR extended Ltd-exp. | Toyama chihou railway | Ltd-exp. | |
| Chizu kyuko railway | JR extended Ltd-exp. | Tosa-kuroshio railway | JR extended Ltd-exp. | |
| Takachiho raiway | reserved seat |