4.1 STATIONS AND YARDS
DEFINITION OF STATION – PURPOSE OF RAILWAY STATION – TYPES OF
STATIONS -WAYSIDE, JUNCTION AND TERMINAL STATIONS –
PLATFORMS – PASSENGER AND GOODS PLATFORMS – DEFINITION OF
YARD – TYPES OF YARD – PASSENGER YARD, GOODS YARD,
MARSHALLING YARD AND LOCOMOTIVE YARDS – LEVEL CROSSINGS.
4.2 STATION EQUIPMENTS
GENERAL – ENGINE SHED – ASH PITS – EXAMINATION PITS – DROP
PITS – WATER COLUMNS – TRIANGLES – TURN TABLE – TRAVERSERS –
SCOTCH BLOCK – BUFFER STOPS – FOULING MARKS – DERAILING
SWITCH – SAND HUMP – WEIGH BRIDGES.
4.3 POINTS AND CROSSINGS
PURPOSE – SOME DEFINITIONS – TURNOUTS – RIGHT HAND AND LEFT
HAND TURNOUTS – SLEEPERS LAID FOR POINTS AND CROSSINGS –
TYPES OF SWITCHES – CROSSINGS – TYPES OF CROSSINGS.
4.4 SIGNALLING
GENERAL – OBJECTS OF SIGNALLING – TYPES OF SIGNALLING – BASED
ON FUNCTION AND LOCATION – SPECIAL SIGNALS – CONTROL OF
MOVEMENT OF TRAINS – DIFFERENT METHODS – FOLLOWING TRAIN
SYSTEM – ABSOLUTE BLOCK SYSTEM – AUTOMATIC SIGNALLING –
PILOT GUARD SYSTEM – CENTRALIZED TRAFFIC CONTROL SYSTEM.