"traffic_signals"=>"signal","traffic_signals:direction"=>"forward"
"traffic_signals"=>"signal","traffic_signals:direction"=>"forward"
"crossing"=>"traffic_signals","button_operated"=>"yes","traffic_signals"=>"signal","traffic_signals:sound"=>"walk","traffic_signals:direction"=>"forward"
"button_operated"=>"yes","crossing"=>"traffic_signals","traffic_signals:direction"=>"forward","traffic_signals:sound"=>"walk"
"crossing"=>"traffic_signals","button_operated"=>"only","traffic_signals"=>"signal","traffic_signals:sound"=>"both","traffic_signals:direction"=>"backward"
"traffic_signals"=>"signal","traffic_signals:direction"=>"forward"
"traffic_signals"=>"signal","traffic_signals:direction"=>"backward"
"traffic_signals"=>"signal","traffic_signals:direction"=>"forward"
"button_operated"=>"optional","traffic_signals:direction"=>"backward"
"traffic_signals"=>"signal","traffic_signals:direction"=>"forward"
"traffic_signals"=>"signal","traffic_signals:direction"=>"forward"
"button_operated"=>"yes","traffic_signals:sound"=>"walk"