Kolkata Metro



1.Gauge(nominal): 1435 mm
2.Route Length:
Underground : 10.8 Km Elevated : 5.8 Km Total : 16.6 Km
Underground: 6 Nos. Elevated: 6 Nos. Total: 12 Nos. Stations and trains air conditioned, tunnel naturally ventilated with fans in emergencies
4.Train Operation:
Composition: 6 Cars. Service Acceleration : 1 m/Sec2 ± 5%Emergency Breaking deceleration : 1-3 m/Sec2Operating Speed : 80 Kmph
5.Designed speed: 90kmph
6.Transaction Power System:
a)Traction system voltage : 750 V dc b) Current Collection : Third Rail c) SUB station : 2nos (Central Park Depot, Howrah)
7.Rolling Stock:
a) 2.88 m wide with stainless steel body

b) Axle load 16 ton

c) Seating arrangement- longitudinal

d) Capacity of 6 car unit 2068 passengers

8.Signaling, Telecommunication & Train Control:
a)Type of signaling: CBTC (Communication Based Train Control System) with Automatic Train Protection (ATP)

b)Type of signaling::(i) Integrated System with Fibre Optic cable, SCADA, Train Radio, PA system etc.

(ii)Train information system ,control telephones and centralized clock system

9.Fare collection: Automatic fare collection system with TOM, SMART CARD etc.
10.Construction Methodology:
Underground: Entire alignment tunneling through TBM, all stations by cut and covers.

Elevated viaduct consisting pre stressed concrete 'U'-shaped/Box Girder on Single pier with pile/ Open foundations