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10-300 series EMU for subway in ,
 Bureau of Transportation Tokyo Metropolitan Government
We have delivered 108 vehicles of "10-300" series EMU for Bureau of Transportation, Tokyo Metropolitan Government. The service route is not only Subway "Shinjuku" line but also the private railway of "Keio" Line. This is one of the main subway lines of East-West direction in Tokyo Metropolitan. We have delivered former "10-000" series EMU in 1980. 

The body shell construction is based on JR-East's "E 231" series EMU, meanwhile the front face is geometric solid shape specially for this series. 
("E 231" was jointly developed by JR-East and Tokyu Car, and now become the majority standard EMU in JR-East fleet.) The 10-300 series EMU has introduced the train information management system, which is used in the E231 series EMU after modification.

Due to availability in Keio Line, the signaling system has Digital signal ATC, space wave radio, the ATS for the Keio Line.
Currently, 10-300 series consists of 5 motor vehicles and 3 trailer vehicles.
In the EMU, preparatory work has done for total 10 vehicles train

Train performance is described in the following.
Overhead catenary's voltage 1,500 Vdc
Track gauge 1,372 mm
Maximum velocity  120 km/hr
Acceleration  0.92 m/sec2 
Deceleration  0.97 m/sec2
Emergency deceleration  1.25 m/sec2
    the outline of 10-300 series EMU for subway

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