black color
circle
color image
computer graphic
contraflow
europe
frame
iceland
isolated on white
no people
nordic country
oncoming
oncoming traffic
opposing traffic
prohibition sign
prohibitory sign
quadratic
red
reflection
right of way
road sign
sign
square
symbol
traffic
traffic regulations
traffic rules
transportation
two objects
two way traffic sign
twoway
twoway road
twoway traffic
white
yellow