background
caution
crossing
crossroad
danger
direction
electric
electrical
equipment
green
illuminated
india
industry
infrastructure
junction
lamp
light
line
loco
locomotive
metal
nilgiri
nilgiris
ooty
path
rail
railroad
railway
red
road
safety
semaphore
sign
signal
speed
station
steel
stop
stoplight
technology
track
traffic
train
transport
transportation
travel
urban
warning
water
way