{"launch_date":"2024-11-18","km_explored":6025.015367840937,"km_explored_no_overlap":2088.451520759098,"km_explored_multiple_users":1368.0941559897929,"km_explored_single_user":720.3573647693051,"km_needs_reaudit":459.3240227707501,"km_explorable":2566.7706708734995,"km_by_status":{"open":2566.7706708734995,"no_imagery":693.5155829191785,"closed":3297.0962302207254,"disabled":2.340333346741056},"user_counts":{"all_users":181,"labelers":143,"validators":165,"registered":130,"anonymous":45,"turker":0,"researcher":5},"labels":{"count":136375,"count_with_severity":77149,"avg_label_timestamp":"2025-10-03T20:37:49.081732-07:00","avg_timestamp_last_100_labels":"2026-05-10T22:48:58.782Z","avg_age_of_image_when_labeled":"808 days","stddev_label_timestamp":"134 days","stddev_age_of_image_when_labeled":"813 days","CurbRamp":{"count":19245,"count_with_severity":18345,"severity_mean":1.2148269283183428,"severity_stddev":0.49728696321560906},"NoCurbRamp":{"count":3829,"count_with_severity":3617,"severity_mean":2.400884711086536,"severity_stddev":0.756007863475114},"Obstacle":{"count":20433,"count_with_severity":18726,"severity_mean":2.289490547901314,"severity_stddev":0.7597930903724223},"SurfaceProblem":{"count":5379,"count_with_severity":4892,"severity_mean":1.7440719542109566,"severity_stddev":0.7259506259527753},"Crosswalk":{"count":34971,"count_with_severity":31523,"severity_mean":1.1276211020524696,"severity_stddev":0.3825711002375567},"Signal":{"count":9942,"count_with_severity":null,"severity_mean":null,"severity_stddev":null},"NoSidewalk":{"count":42351,"count_with_severity":null,"severity_mean":null,"severity_stddev":null},"Occlusion":{"count":169,"count_with_severity":null,"severity_mean":null,"severity_stddev":null},"Other":{"count":56,"count_with_severity":46,"severity_mean":2.869565217391304,"severity_stddev":0.49927483645667603}},"validations":{"combined":{"total_validations":344440,"Overall":{"validated":78588,"agreed":71700,"disagreed":6888,"accuracy":0.9123530309970987,"has_a_validation":90579},"CurbRamp":{"validated":17261,"agreed":15565,"disagreed":1696,"accuracy":0.9017438155379178,"has_a_validation":19238},"NoCurbRamp":{"validated":3640,"agreed":2956,"disagreed":684,"accuracy":0.8120879120879121,"has_a_validation":3829},"Obstacle":{"validated":14988,"agreed":11711,"disagreed":3277,"accuracy":0.7813584200693888,"has_a_validation":20432},"SurfaceProblem":{"validated":4876,"agreed":4004,"disagreed":872,"accuracy":0.8211648892534865,"has_a_validation":5379},"Crosswalk":{"validated":31142,"agreed":30937,"disagreed":205,"accuracy":0.9934172500160555,"has_a_validation":34957},"Signal":{"validated":5891,"agreed":5769,"disagreed":122,"accuracy":0.9792904430487184,"has_a_validation":5942},"NoSidewalk":{"validated":788,"agreed":757,"disagreed":31,"accuracy":0.9606598984771574,"has_a_validation":800},"Occlusion":{"validated":2,"agreed":1,"disagreed":1,"accuracy":0.5,"has_a_validation":2},"Other":{"validated":0,"agreed":0,"disagreed":0,"accuracy":null,"has_a_validation":0}},"human":{"total_validations":255883,"Overall":{"validated":60624,"agreed":55540,"disagreed":5084,"accuracy":0.9161388229084191,"has_a_validation":62861},"CurbRamp":{"validated":12428,"agreed":11821,"disagreed":607,"accuracy":0.9511586739620213,"has_a_validation":12776},"NoCurbRamp":{"validated":3402,"agreed":2840,"disagreed":562,"accuracy":0.8348030570252792,"has_a_validation":3564},"Obstacle":{"validated":14736,"agreed":11934,"disagreed":2802,"accuracy":0.8098534201954397,"has_a_validation":16060},"SurfaceProblem":{"validated":4652,"agreed":3841,"disagreed":811,"accuracy":0.8256663800515908,"has_a_validation":4888},"Crosswalk":{"validated":18725,"agreed":18577,"disagreed":148,"accuracy":0.9920961281708945,"has_a_validation":18829},"Signal":{"validated":5891,"agreed":5769,"disagreed":122,"accuracy":0.9792904430487184,"has_a_validation":5942},"NoSidewalk":{"validated":788,"agreed":757,"disagreed":31,"accuracy":0.9606598984771574,"has_a_validation":800},"Occlusion":{"validated":2,"agreed":1,"disagreed":1,"accuracy":0.5,"has_a_validation":2},"Other":{"validated":0,"agreed":0,"disagreed":0,"accuracy":null,"has_a_validation":0}},"ai":{"total_validations":88557,"Overall":{"validated":47631,"agreed":42166,"disagreed":5465,"accuracy":0.8852637987865046,"has_a_validation":83803},"CurbRamp":{"validated":14956,"agreed":12444,"disagreed":2512,"accuracy":0.832040652580904,"has_a_validation":19223},"NoCurbRamp":{"validated":2838,"agreed":1937,"disagreed":901,"accuracy":0.682522903453136,"has_a_validation":3828},"Obstacle":{"validated":1262,"agreed":0,"disagreed":1262,"accuracy":0,"has_a_validation":20429},"SurfaceProblem":{"validated":1861,"agreed":1313,"disagreed":548,"accuracy":0.7055346587855992,"has_a_validation":5378},"Crosswalk":{"validated":26714,"agreed":26472,"disagreed":242,"accuracy":0.9909410795837389,"has_a_validation":34945},"Signal":{"validated":0,"agreed":0,"disagreed":0,"accuracy":null,"has_a_validation":0},"NoSidewalk":{"validated":0,"agreed":0,"disagreed":0,"accuracy":null,"has_a_validation":0},"Occlusion":{"validated":0,"agreed":0,"disagreed":0,"accuracy":null,"has_a_validation":0},"Other":{"validated":0,"agreed":0,"disagreed":0,"accuracy":null,"has_a_validation":0}}},"ai_stats":{"Overall":{"human_majority_vote":{"ai_yes_maj_vote_concurs":24971,"ai_yes_maj_vote_differs":244,"ai_no_maj_vote_differs":2373,"ai_no_maj_vote_concurs":1127},"admin_majority_vote":{"ai_yes_maj_vote_concurs":108,"ai_yes_maj_vote_differs":8,"ai_no_maj_vote_differs":35,"ai_no_maj_vote_concurs":27}},"CurbRamp":{"human_majority_vote":{"ai_yes_maj_vote_concurs":8243,"ai_yes_maj_vote_differs":73,"ai_no_maj_vote_differs":1023,"ai_no_maj_vote_concurs":337},"admin_majority_vote":{"ai_yes_maj_vote_concurs":32,"ai_yes_maj_vote_differs":2,"ai_no_maj_vote_differs":4,"ai_no_maj_vote_concurs":5}},"NoCurbRamp":{"human_majority_vote":{"ai_yes_maj_vote_concurs":1661,"ai_yes_maj_vote_differs":82,"ai_no_maj_vote_differs":433,"ai_no_maj_vote_concurs":320},"admin_majority_vote":{"ai_yes_maj_vote_concurs":18,"ai_yes_maj_vote_differs":5,"ai_no_maj_vote_differs":7,"ai_no_maj_vote_concurs":9}},"Obstacle":{"human_majority_vote":{"ai_yes_maj_vote_concurs":0,"ai_yes_maj_vote_differs":0,"ai_no_maj_vote_differs":587,"ai_no_maj_vote_concurs":200},"admin_majority_vote":{"ai_yes_maj_vote_concurs":0,"ai_yes_maj_vote_differs":0,"ai_no_maj_vote_differs":4,"ai_no_maj_vote_concurs":8}},"SurfaceProblem":{"human_majority_vote":{"ai_yes_maj_vote_concurs":1075,"ai_yes_maj_vote_differs":24,"ai_no_maj_vote_differs":242,"ai_no_maj_vote_concurs":234},"admin_majority_vote":{"ai_yes_maj_vote_concurs":12,"ai_yes_maj_vote_differs":0,"ai_no_maj_vote_differs":3,"ai_no_maj_vote_concurs":4}},"Crosswalk":{"human_majority_vote":{"ai_yes_maj_vote_concurs":13992,"ai_yes_maj_vote_differs":65,"ai_no_maj_vote_differs":88,"ai_no_maj_vote_concurs":36},"admin_majority_vote":{"ai_yes_maj_vote_concurs":46,"ai_yes_maj_vote_differs":1,"ai_no_maj_vote_differs":17,"ai_no_maj_vote_concurs":1}}}}