the post is connected with an obsolete railway link that used to provide transport to the post. the railway linked other areas such as seoul and the port of incheon. it was important in logistics support operations when bigger camps such as usag humphreys did not exist. all support operations are carried out at humphreys, and camp market was declared obsolete. the railway signal points are not scrapped until now, although they are situated on a busy road. small trains were spotted operating on the railway at around 2008, and no more train operations were seen after that date. some of the railway still exist, with ballast on the ground. the railway crosses many apartment suites in bupyeong.