alert
arrow
asphalt
autobahn
background
barrier
block
building
caution
circle
city
construction
contraction
danger
detour
equipment
forty
highway
industry
light
machinery
milling cutter
motorway
orange
paver
progress
repair
road
safety
shadow
sign
signal
site
spring
stop
street
sunny
symbol
track
traffic
transportation
truck
under
urban
walk
warning
white
work
worker
zone