A no u turn road sign with a red circle and line
Keywords
signs,
road,
circle,
red,
black,
turn,
arrow,
white,
transportation,
traffic,
warning,
symbol,
direction,
prohibited,
isolated,
safety,
restriction,
regulation,
forbidden,
street,
drive,
urban,
travel,
caution,
control,
guidance,
attention,
alert,
stop,
danger,
zone,
area,
mark,
signal,
policy