Pak Pan railway station is a railway station located in Sai Yoi Subdistrict, Den Chai District, Phrae. It is located 538.432 km from Bangkok railway station and is a class 3 railway station. It is on the Northern Line of the State Railway of Thailand.
It is the only railway station in Phrae to use Three Aspects Light system instead of the Semaphore system.
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References Ichirō, Kakizaki (2010). Ōkoku no tetsuro: tai tetsudō no rekishi. Kyōto: Kyōtodaigakugakujutsushuppankai. Otohiro, Watanabe (2013). Tai kokutetsu yonsenkiro no tabi: shasō fūkei kanzen kiroku. Tōkyō: Bungeisha.