pulley
pulley
pantograph
pantograph
why jaggered panto
stop wear
canterlever
cant
cant
tilt
stretcher bar
ba
nose
nose
splice rail
sr
interlocking system
cant collide
TPWS
Train Protection and Warning System
semaphore Signals
semaphore Signals
green
clear
double yellow
prelimary caution
yellow
caution
red
danger stop
ertms
European Rail Traffic Management System