In the past The journey between the central region to the Northeast. There are obstacles to a large forest that is filled with many dangers, including the beast and wild fever. People traveling through the forest, a large number of deaths. Trek, when King Chulalongkorn came through in time, opening a rail saikrungthep-Nakhon Ratchasima, he saw that this trek, the name sounds horrible, so please rename as Dong Phaya yen since then.