Standard pitch for transportation agencies, wildlife groups, allies to map new crossings on crowdsourced OpenStreetMap (OSM), take Mapillary images (supports smartphones to super-accurate pro 360-degree camera GPS rigs) for ground-truth (long before sat images available)
Standard pitch for transportation agencies, wildlife groups, allies to map new crossings on crowdsourced OpenStreetMap (OSM), take Mapillary images (supports smartphones to super-accurate pro 360-degree camera GPS rigs) for ground-truth (long before sat images available)