The Shin-Keisei Line (新京成線, Shin-Keisei-sen) is a railway line in Japan owned by the private railway company Shin-Keisei Electric Railway, a subsidiary of Keisei Electric Railway. The line runs between Matsudo Station in Matsudo, Chiba, and Keisei-Tsudanuma Station in Narashino, Chiba.

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Shin-Keisei Line
SL
An N800 series electric multiple unit in revised livery in March 2015
Overview
Locale	Chiba Prefecture, Japan
Termini	Matsudo Keisei Tsudanuma
Stations	24
Service
Type	Commuter rail
Operator(s)	Shin-Keisei Electric Railway
Depot(s)	Kunugiyama, Tsudanuma
Rolling stock	8800 series 8900 series N800 series 80000 series
History
Opened	December 27, 1947
Technical
Line length	26.5 km (16.5 mi)
Track gauge	1,435 mm (4 ft 8+1⁄2 in)
Electrification	1,500 V DC overhead catenary
Operating speed	85 km/h (55 mph)
Route map

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All trains stop at all stations. Most trains operate throughout the line, although during the morning hours, some services terminate at Shin-Tsudanuma. In mornings and nights some trains originate or terminate at Kunugiyama.

Services operate at a frequency of one train every 4 minutes in the morning peak, every 10 minutes during the day, and every 8 minutes in the evening peak. During the daytime, Shin-Keisei runs alternate through trains to Chiba-Chūō on the Keisei Chiba Line.

• All trains stop at all stations.

• Shin-Keisei 8800 series (since 1986)
• Shin-Keisei 8900 series (since 1993)
• Shin-Keisei N800 series (since May 2005)^[1]
• Shin-Keisei 80000 series (since December 2019)^[2]

All trains are based at Kunugiyama and Tsudanuma Depots.

• Shin-Keisei 8800 series
• Shin-Keisei 8900 series
• Shin-Keisei N800 series
• Shin-Keisei 80000 series

The line was originally opened in 1929 with a track gauge of 1,067 mm (3 ft 6 in) for army training purposes, and ceased to be used in 1945.^{[citation needed]}

The line was transferred to the Shin-Keisei Railway, which reopened and electrified at 1,500 V DC (overhead) the first section of the line, 2.5 km (1.6 mi) from Shin-Tsudanuma to Yakuendai, on 27 December 1947.^[3] The Yukuendai–Takifudo section was reopened in 1948, and extended to Hatsutomi the following year.^{[citation needed]}

The reopened sections were regauged to 1,372 mm (4 ft 6 in) in October 1953, and the entire line was reopened as a single-track line by 21 April 1955.^[3] In August 1959, the line was again regauged, this time to 1,435 mm (4 ft 8+1⁄2 in) to match the standard gauge used by Keisei Electric Railway.^[3]