abstract
asphalt
attention
black
bus
carriageway
city
concrete
empty
floor
gray
highway
horizontal
information
label
lane
letter
line
lines
mark
marking
markings
message
paint
painted
pattern
public
road
safety
sign
signage
station
stop
street
surface
symbol
text
town
traffic
transport
transportation
travel
urban
waiting
warning
way
white
word
words
yellow