Chichibu Main Line
A Chichibu Railway 7500 series EMU on the Chichibu Main Line in May 2011
Overview
Native name	秩父本線
Owner	Chichibu Railway
Locale	Saitama Prefecture
Termini	Hanyū Mitsumineguchi
Stations	36
Service
Depot(s)	Hirosegawara
History
Opened	7 October 1901
Technical
Line length	71.7 km (44.6 mi)
Number of tracks	1
Track gauge	1,067 mm (3 ft 6 in)
Minimum radius	149 m
Electrification	1500 V DC withOverhead catenary
Operating speed	85 km/h (55 mph)

TheChichibu Main Line (秩父本線,Chichibu-honsen) is a railway line in Japan, owned by theprivate railway operatorChichibu Railway, linkingHanyū andMitsumineguchi, both inSaitama Prefecture.

As of 1 April 2016^[update], the Chichibu Railway operates the following fleet of rolling stock on the line.^[1]

• 5000 series 3-car EMUs x3 (formerlyToei 6000 series) (since 1999)
• 6000 series 3-car EMUs x3 (formerlySeibu 101 series) (since March 2006)
• 7000 series 3-car EMUs x2 (formerlyTokyu 8500 series) (since March 2009)
• 7500 series 3-car EMUs x7 (formerlyTokyu 8090 series) (since March 2010)
• 7800 series 2-car EMUs x4 (formerlyTokyu 8090 series) (since 16 March 2013)
• Class C58 steam locomotive (No. C58 363 forPaleo Express)
• Four 12 series passenger coaches forPaleo Express (OHaFu 12-101 and 102, OHa 12-111 and 112)
• DeKi 100 electric locomotives (x6)
• DeKi 200 electric locomotive (x1)
• DeKi 300 electric locomotives (x3)
• DeKi 500 electric locomotives (x7)

• 
  5000 series EMU set 5003 in June 2011
• 
  A 6000 series EMU on aChichibuji express service
• 
  7000 series EMU set 7001 in October 2018
• 
  7500 series EMU set 7504 in October 2018
• 
  7800 series EMU set 7801 in June 2013
• 
  SL Paleo Express
• 
  DeKi 102
• 
  DeKi 201
• 
  DeKi 301
• 
  DeKi 507

• 300 series 2-car EMUs (from 1959 until October 1992)
• 500 series 2-car EMUs (from 1957 until March 1992)
• 800 series 2-car EMUs (formerlyOdakyu 1800 series) (from 1979 until 1990)
• 1000 series 3-car EMUs (formerlyJNR101 series) (from 1986 until March 2014)^[2]
• 2000 series 4-car EMUs (formerly Tokyu 7000 series) (from 1991 until 2000)
• 3000 series 3-car EMUs x3 (formerlyJR East165 series) (from 1992 until December 2006)
• 43 series passenger coaches (forPaleo Express)

• 
  A 300 series EMU in 1989
• 
  A 500 series EMU in 1984
• 
  An 800 series EMU in 1989
• 
  A 1000 series EMU in 2008
• 
  A 2000 series EMU in 1992
• 
  A 3000 series EMU in 2006

The Jōbu Railway (上武鉄道) opened the section betweenKumagaya andYorii on 7 October 1901 operated by the use of steam haulage.^[3] The line was extended in stages, reaching Chichibu in 1914. The line was electrified at 1,200 V DC on 15 March 1918.^[3] On 1 August 1922, the Chichibu Railway acquired the Hokubu Railway (北武鉄道) operating between Hanyū and Kumagaya.^[3] The line reached Mitsumineguchi in 1930.

From 1 February 1952, The line voltage was raised to 1,500 V DC.^[3]

• Kumagaya Station: TheTobu Kumagaya Line operated between 1943 and 1983.^[4]

Wikimedia Commons has media related toChichibu Main Line.

• Official website(in Japanese)

• Railway lines in Japan
• Rail transport in Saitama Prefecture
• 1067 mm gauge railways in Japan
• Chichibu Railway
• Railway lines opened in 1901
• 1901 establishments in Japan

• CS1 uses Japanese-language script (ja)
• CS1 Japanese-language sources (ja)
• Articles with short description
• Short description matches Wikidata
• Use dmy dates from January 2024
• Articles containing Japanese-language text
• Articles containing potentially dated statements from April 2016
• All articles containing potentially dated statements
• Commons category link from Wikidata
• Official website different in Wikidata and Wikipedia
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