acute

asphalt

attention

barrier

blur

border

care

caution

close

color

colorful

cone

construction

control

cordon

danger

design

drive

emergency

gray

hazard

highway

light

line

man

marathon

motion

movement

object

one

orange

people

plastic

protection

race

reflective

road

roadworks

run

safety

sign

single

sport

stop

street

striped

traffic

unfocused

warning

white