英文關鍵字
architecture
asphalt
barricade
barriers
block
boundary
brake
light
car
cement
concrete
wall
construction
crash
barrier
direction
divide
driving
dusk
fence
gutter
heavy
highway
industry
lawn
line
massive
modular
night
object
obstacle
protect
protection
rain
road
rough
safety
security
solid
stability
stone
street
strong
traffic
jam
transportation
urban
water
wet
wiper
lights
reflect
morning