arrows
attention
backdrop
background
black
bright
city
close
closeup
color
dark
design
direction
directional
energy
equipment
figure
glow
glowing
go
illuminate
illuminated
information
lamp
light
line
man
motion
night
pointing
progress
red
right
road
safety
shine
shiny
sign
signal
silhouette
stop
stop light
street
symbol
traffic
transportation
warning
way
yellow