along
asphalt
background
blue
bottleneck
car
care
caution
circle
city
condition
construction
evacuation
forbidden
hint
infrastructure
lane
law
parking
passage
pillar
prohibited
prohibition
red
road
rule
safety
shield
sidewalk
sign
sky
small
stop
street
symbol
tow
traffic
transport
transportation
truck
ultimatum
urban
violation
wall
warning
white