# Semboku Rapid Railway

The Semboku Rapid Railway Line (泉北高速鉄道線, Senboku Kōsoku Tetsudō-sen) is a railway line in Osaka Prefecture, Japan, operated by the private railway operator Semboku Rapid Railway (泉北高速鉄道, Senboku Kōsoku Tetsudō). The line connects Izumi-Chūō Station and Nakamozu Station, with through operations to and from the Nankai Kōya Line up to Namba Station in southern downtown Osaka.

## Services

Along with services inside the line, through trains also operate to the Nankai Kōya Line beyond Nakamozu to Namba.

### ■Limited Express Semboku Liner (特急 泉北ライナー, Tokkyū Senboku Rainā) (LE)

    All seats are reserved. Operations started on 5 December 2015. Trains pass Sakaihigashi and Fukai non-stop for the first time.

### ■Sub-Express (区間急行, Kukan Kyūkō) (SbE)

    Operated all day, through to Namba.

### ■Semi-Express (準急, Junkyū) (SmE)

    Trains are operated all day, through to Namba.

### ■Local (各駅停車, Kakueki Teisha) (L)

    Operated all day. Mainly shuttles between Nakamozu and Izumi-Chūō (some trains for Komyoike). During the daytime and late at night, some services operate between Izumi-Chūō and Namba.

## List of stations

All stations are located in Osaka Prefecture.
* O: Trains stop.
* |: Trains pass.
* See Nankai Koya Line article for the stops of the through trains to Namba between Namba and Nakamozu.
| No. | Station | Japanese | Distance (km) | L | SmE | SbE | LE | Transfers | Location | Location |
| SB01 | Nakamozu | 中百舌鳥 | 0.0 | O | O | | | | | Nankai Koya Line (NK59) (Through trains are available) Osaka Metro Midōsuji Line (M30) | Kita-ku | Sakai |
| SB02 | Fukai | 深井 | 3.7 | O | O | O | | | | Naka-ku | Sakai |
| SB03 | Izumigaoka | 泉ケ丘 | 7.8 | O | O | O | O | | Minami-ku | Sakai |
| SB04 | Toga-Mikita | 栂・美木多 | 10.2 | O | O | O | O | | Minami-ku | Sakai |
| SB05 | Kōmyōike | 光明池 | 12.1 | O | O | O | O | | Minami-ku | Sakai |
| SB06 | Izumi-Chūō | 和泉中央 | 14.3 | O | O | O | O | | Izumi | Izumi |

## Rolling stock

As of 1 April 2016, the railway operated a fleet of 108 electric multiple unit (EMU) vehicles, all based at Nakamozu Depot.

### Semboku Liner limited express services

* Semboku 12000 series EMU
* Nankai 11000 series EMU (sometimes substituted by Nankai 12000 series)
* Nankai 50000 series EMUs (since November 2022)
From 27 January 2017, a new Semboku 12000 series EMU was introduced on Semboku Liner services.
* The Semboku 12000 series on a Semboku Liner service in February 2017
* The Nankai 11000 series on a Semboku Liner service in November 2018

### Local services

* Semboku 3000 series two- and four-car EMUs with stainless steel bodies
* Semboku 5000 series eight-car EMUs with aluminium bodies
* Semboku 7000 series two-, four-, and six-car EMUs with aluminium bodies
* Semboku 7020 series two-, four-, and six-car EMUs with aluminium bodies
* Semboku 9300 series four-car EMUs with stainless steel bodies (since 8 August 2023)
* A Semboku 3000 series EMU
* A Semboku 5000 series EMU in September 2016
* A Semboku 7000 series EMU
* A Semboku 7020 series EMU in August 2015
* A Semboku 9300 series EMU in October 2023

### Former rolling stock

* Semboku 100 series
* A Semboku 100 series EMU in May 1995

## History

The section from Nakamozu to Izumigaoka opened on 1 April 1971, with 1,067 mm (3 ft 6 in) double track and electrified at 600 V DC. The overhead line voltage was increased to 1,500 V DC from 7 October 1973, and the line was extended to Toga-Mikita on 7 December 1973.
The line was extended to Komyoike on 20 August 1977, and to Izumi-Chuo on 1 April 1995.

### Future plans

Owing to ongoing financial constraints caused by the COVID-19 pandemic, Semboku Rapid Railway announced that it would be merged into Nankai Railway. The merger is planned to take place on 1 April 2025. In addition, the Semboku Rapid Railway Line is scheduled to be renamed to the Semboku Line (泉北線, Senboku-sen).