{"launch_date":"2025-11-23","avg_timestamp_last_100_labels":"2026-06-08T14:09:59.337Z","km_explored":121.06518559589209,"km_explored_no_overlap":44.26305843854145,"km_explored_multiple_users":38.14099984499717,"km_explored_single_user":6.122058593544281,"km_explorable":47.66119015708936,"km_by_status":{"open":47.66119015708936,"no_imagery":0.07863908466623852,"closed":4450.254943370479,"disabled":0},"user_counts":{"all_users":74,"labelers":29,"validators":64,"registered":31,"anonymous":38,"turker":0,"researcher":4},"labels":{"label_count":5913,"label_count_with_severity":4491,"avg_label_timestamp":"2026-01-13T04:54:56.332686-08:00","avg_age_of_image_when_labeled":"651 days","stddev_label_timestamp":"72 days","stddev_age_of_image_when_labeled":"898 days","CurbRamp":{"count":2138,"count_with_severity":2085,"severity_mean":1.3664268585131893,"severity_sd":0.5636331112657651},"NoCurbRamp":{"count":90,"count_with_severity":84,"severity_mean":2.1904761904761907,"severity_sd":0.7024259250263818},"Obstacle":{"count":595,"count_with_severity":583,"severity_mean":1.9965694682675814,"severity_sd":0.80376384665945},"SurfaceProblem":{"count":1099,"count_with_severity":1065,"severity_mean":1.47981220657277,"severity_sd":0.6266451749010754},"Other":{"count":5,"count_with_severity":3,"severity_mean":2,"severity_sd":0},"Occlusion":{"count":27,"count_with_severity":null,"severity_mean":null,"severity_sd":null},"NoSidewalk":{"count":1152,"count_with_severity":null,"severity_mean":null,"severity_sd":null},"Crosswalk":{"count":680,"count_with_severity":671,"severity_mean":1.2906110283159462,"severity_sd":0.5655941922140417},"Signal":{"count":127,"count_with_severity":null,"severity_mean":null,"severity_sd":null}},"validations":{"combined":{"total_validations":12859,"Overall":{"validated":4655,"agreed":3695,"disagreed":960,"accuracy":0.7937701396348013,"has_a_validation":5158},"CurbRamp":{"validated":1999,"agreed":1890,"disagreed":109,"accuracy":0.9454727363681841,"has_a_validation":2138},"NoCurbRamp":{"validated":88,"agreed":52,"disagreed":36,"accuracy":0.5909090909090909,"has_a_validation":90},"Obstacle":{"validated":513,"agreed":316,"disagreed":197,"accuracy":0.6159844054580896,"has_a_validation":595},"SurfaceProblem":{"validated":917,"agreed":528,"disagreed":389,"accuracy":0.5757906215921483,"has_a_validation":1099},"Other":{"validated":0,"agreed":0,"disagreed":0,"has_a_validation":0},"Occlusion":{"validated":3,"agreed":3,"disagreed":0,"accuracy":1,"has_a_validation":3},"NoSidewalk":{"validated":499,"agreed":314,"disagreed":185,"accuracy":0.6292585170340681,"has_a_validation":505},"Crosswalk":{"validated":589,"agreed":550,"disagreed":39,"accuracy":0.933786078098472,"has_a_validation":680},"Signal":{"validated":47,"agreed":42,"disagreed":5,"accuracy":0.8936170212765957,"has_a_validation":48}},"human":{"total_validations":7990,"Overall":{"validated":3834,"agreed":2878,"disagreed":956,"accuracy":0.7506520605112155,"has_a_validation":4035},"CurbRamp":{"validated":1354,"agreed":1270,"disagreed":84,"accuracy":0.9379615952732644,"has_a_validation":1382},"NoCurbRamp":{"validated":83,"agreed":49,"disagreed":34,"accuracy":0.5903614457831325,"has_a_validation":88},"Obstacle":{"validated":511,"agreed":317,"disagreed":194,"accuracy":0.6203522504892368,"has_a_validation":551},"SurfaceProblem":{"validated":880,"agreed":451,"disagreed":429,"accuracy":0.5125,"has_a_validation":995},"Other":{"validated":0,"agreed":0,"disagreed":0,"has_a_validation":0},"Occlusion":{"validated":3,"agreed":3,"disagreed":0,"accuracy":1,"has_a_validation":3},"NoSidewalk":{"validated":499,"agreed":314,"disagreed":185,"accuracy":0.6292585170340681,"has_a_validation":505},"Crosswalk":{"validated":457,"agreed":432,"disagreed":25,"accuracy":0.9452954048140044,"has_a_validation":463},"Signal":{"validated":47,"agreed":42,"disagreed":5,"accuracy":0.8936170212765957,"has_a_validation":48}},"ai":{"total_validations":4869,"Overall":{"validated":2683,"agreed":2375,"disagreed":308,"accuracy":0.8852031308237048,"has_a_validation":4602},"CurbRamp":{"validated":1772,"agreed":1636,"disagreed":136,"accuracy":0.9232505643340858,"has_a_validation":2138},"NoCurbRamp":{"validated":71,"agreed":42,"disagreed":29,"accuracy":0.5915492957746479,"has_a_validation":90},"Obstacle":{"validated":19,"agreed":0,"disagreed":19,"accuracy":0,"has_a_validation":595},"SurfaceProblem":{"validated":353,"agreed":324,"disagreed":29,"accuracy":0.9178470254957507,"has_a_validation":1099},"Other":{"validated":0,"agreed":0,"disagreed":0,"has_a_validation":0},"Occlusion":{"validated":0,"agreed":0,"disagreed":0,"has_a_validation":0},"NoSidewalk":{"validated":0,"agreed":0,"disagreed":0,"has_a_validation":0},"Crosswalk":{"validated":468,"agreed":373,"disagreed":95,"accuracy":0.7970085470085471,"has_a_validation":680},"Signal":{"validated":0,"agreed":0,"disagreed":0,"has_a_validation":0}}},"ai_stats":{"Crosswalk":{"human_majority_vote":{"ai_yes_human_concurs":228,"ai_yes_human_differs":2,"ai_no_human_differs":57,"ai_no_human_concurs":22},"admin_majority_vote":{"ai_yes_human_concurs":43,"ai_yes_human_differs":0,"ai_no_human_differs":40,"ai_no_human_concurs":6}},"Overall":{"human_majority_vote":{"ai_yes_human_concurs":1419,"ai_yes_human_differs":92,"ai_no_human_differs":113,"ai_no_human_concurs":133},"admin_majority_vote":{"ai_yes_human_concurs":287,"ai_yes_human_differs":7,"ai_no_human_differs":78,"ai_no_human_concurs":32}},"SurfaceProblem":{"human_majority_vote":{"ai_yes_human_concurs":168,"ai_yes_human_differs":74,"ai_no_human_differs":7,"ai_no_human_concurs":16},"admin_majority_vote":{"ai_yes_human_concurs":48,"ai_yes_human_differs":2,"ai_no_human_differs":6,"ai_no_human_concurs":1}},"Obstacle":{"human_majority_vote":{"ai_yes_human_concurs":0,"ai_yes_human_differs":0,"ai_no_human_differs":2,"ai_no_human_concurs":14},"admin_majority_vote":{"ai_yes_human_concurs":0,"ai_yes_human_differs":0,"ai_no_human_differs":1,"ai_no_human_concurs":3}},"NoCurbRamp":{"human_majority_vote":{"ai_yes_human_concurs":32,"ai_yes_human_differs":6,"ai_no_human_differs":9,"ai_no_human_concurs":17},"admin_majority_vote":{"ai_yes_human_concurs":23,"ai_yes_human_differs":2,"ai_no_human_differs":7,"ai_no_human_concurs":11}},"CurbRamp":{"human_majority_vote":{"ai_yes_human_concurs":991,"ai_yes_human_differs":10,"ai_no_human_differs":38,"ai_no_human_concurs":64},"admin_majority_vote":{"ai_yes_human_concurs":173,"ai_yes_human_differs":3,"ai_no_human_differs":24,"ai_no_human_concurs":11}}}}