The Seibu Sayama Line (西武狭山線) is a commuter railway line in Saitama Prefecture, Japan, operated by the private railway operator Seibu Railway. The 4. +more2 km line extends from Nishi-Tokorozawa Station on the Seibu Ikebukuro Line to Seibukyūjō-mae Station in Tokorozawa, Saitama.

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Stations and service pattern

All stations are located in Tokorozawa, Saitama. Abbreviations here are for the table below, not formally used.

Local (各停) Stops at all stations.

Semi-Express (準急) (SE)

Express (急行) (Ex)

Limited Express (特急) (LE) :Ikebukuro to Seibu Chichibu, trains named Chichibu (ちちぶ), Musashi (むさし), with supplementary limited express charge.

No. StationJapaneseDistance (km)SERaExLETransfers
to Nishi-Tokorozawato Ikebukuro
西所沢0. +more027. 2OOOSeibu Ikebukuro Line
下山口1. 829. 0OOO
西武球場前4. 231. 4OOOOSeibu Yamaguchi Line (Leo Liner)


The line and its two stations opened on 1 May 1929, initially electrified at 1,200 V DC. This was raised to 1,500 V DC in 1952.

Station numbering was introduced on all Seibu Railway lines during fiscal 2012, with Seibu Sayama Line stations numbered prefixed with the letters "SI" (part of the Seibu Ikebukuro group of lines).