"network"=>"rcn","rcn_ref"=>"08","network:type"=>"node_network"
"traffic_signals"=>"signal","traffic_signals:direction"=>"forward"
"traffic_signals"=>"signal","traffic_signals:direction"=>"backward"
"traffic_signals"=>"signal","traffic_signals:direction"=>"backward"
"traffic_signals"=>"signal","traffic_signals:direction"=>"forward"
"mapillary"=>"ouvn1Ffg7iX3NKKdEu0LUw","survey:date"=>"2020-05-06","traffic_signals:direction"=>"forward"