Osaka Municipal Subway 70 series

The Osaka Municipal Subway 70 series (大阪市交通局70系) is a rapid transit electric multiple unit (EMU) train type operated by Osaka Municipal Subway on the Nagahori Tsurumi-ryokuchi Line in Japan.

Osaka Municipal Subway 70 series
Osaka Municipal Subway 70 series in revised livery at Kadoma-minami Station, March 2012
In service	1990–present
Manufacturer	Kawasaki Heavy Industries, Kinki Sharyo, Nippon Sharyo, Alna Kōki
Constructed	1990–1997
Entered service	1990–
Refurbished	2011–
Number built	100 cars (25 sets)
Number in service	100 cars
Formation	4 cars per trainset
Capacity	380
Operator(s)	Osaka Municipal Subway (1990-2018) Osaka Metro(2018-)
Depot(s)	Tsurumi
Line(s) served	Nagahori Tsurumi-ryokuchi Line
Specifications
Car body construction	Aluminium
Train length	62,800 mm (206.0 ft)
Car length	15,800 mm (51.8 ft) (end cars) 15,600 mm (51.2 ft) (intermediate cars)
Height	2,150 mm (7.05 ft)
Doors	3 pairs of sliding doors per side
Maximum speed	70 km/h (43 mph)
Weight	102 tonnes
Traction system	Variable-frequency
Traction motors	Linear motors
Power output	800 kW (1,073 hp)
Acceleration	2.5 km/h/s
Deceleration	3.5 km/h/s (service) 4.5 km/h/s (emergency)
Electric system(s)	1,500 V DC
Current collection method	Pantograph
Braking system(s)	Electric commanding
Safety system(s)	CS-ATC, ATO
Track gauge	1,435 mm (4 ft 8 ^1⁄2 in)

The 70 series was among the earliest trains in Japan to use linear motors, and is capable of driverless operation.

Refurbishment

The 1st batch of 70 series trains (sets 01-13) is scheduled to undergo major refurbishment, with set 13 the first refurbished set to re-enter service on March 4, 2011. The refurbishment will include the fitting of new linear motor traction systems, a new 3-colour LED display system above passenger doors, new LCD passenger information monitors, lower hand grips, a yellow line printed on passenger doors and new train car number indicators on the exterior similar to those seen on the 30000 series and the refurbished 25 series trains.

See also

• List of driverless trains