Station classification with a diagram

1. CLASSIFICATION OF
STATION
By
Giri Guru

2. Station
 A railway station is the selected place on a railway line where trains halt for some
purposes like,
 For exchange of passengers, goods, ,
 Control of train
 Crossing, sorting, of trains, etc..

3. Clasification
 Station can be classified according to operational and functional characteristic.
(1)Operational Classification
RAILWAY
STATION
Block
Non
Block
A Class B Class C Class Flag DK

4. Block Station
 A block station is a station at which the driver has to obtain an 'authority to
proceed' in order to enter the next block section.
 Is a place on railway line at which PERMISSION TO APPROACH and AUTHORITY TO
PROCEED are granted.
A Class
B Class
C Class

5. “A” Class Station
 Where line clear may not be given for a train unless the line on which it is intended to
receive the train is clear for at least 400 Mts., beyond the Home signal or up to the
starter.
 HS: First stop signal
 SS: Placed at an adequate distance from the home signal and marks the point up to
which the line should be clear so that the train can be given permission to approach.
 WS: Placed at a warning distance from the home signal, the main function of which is
to indicate whether the section beyond is clear

6. “B” Class Station
 Where line clear may be given for a train before the line has been cleared for the
reception of the train within the station section.
 Outer Signal: First stop signal
 Home Signal: Placed at an adequate distance from the outer signal. (580 M
from outer signal)

7. “C” Class Signal
 Only a block hut where no booking of passengers is done.
 No train normally stops at these stations.
 To split Long block station.
Braking
Distance
Adequate
Distance

8. NON Block Station
 Situated between two consecutive block stations and do not form the boundary of
any block section.
 Also Called “D” Class station
Flag
DK
Siding Is takes through a crossover(key or
ball tocken)
Siding does not take place.

9. (2)Functional Classification
RAILWAY
STATION
Way
Side
Terminal
Halt Flag Crossing
Junction

10. Way side Station
 Also called Non junction station.
 A small railway station between the principal stations or a station where the train
stops only on a signal.
 Service area or temporary lodging used during a longer journey.
Station
Halt Flag Crossing

12. Junction Station
 Junction station usually refers to a railway station situated on or close to a
junction where lines to several destinations diverge.
 The usual minimum is three incoming lines i.e. more than two way.
 The station where branch line meets the main line.

13. Terminal Station
 A "terminal" or "terminus" is a station at the end of a railway line.
 Trains arriving there have to end their journeys (terminate) or reverse out of
the station.

15. Thanks for listening..