英文關鍵字
accident
asphalt
bad
black
break
broken
car
check
concrete
construction
crack
damage
danger
dangerous
decline
defect
destruction
dirt
dirty
disaster
drive
erosion
gravel
ground
highway
hole
industrial
infrastructure
lane
line
nature
old
pavement
pothole
puddle
repair
risk
road
roadbed
roads
rough
rural
russia
safety
stone
street
surface
traffic
transport
transportation
uneven
way
white