{"launch_date":"2025-02-07","km_explored":29.707167628553677,"km_explored_no_overlap":14.893032720102253,"km_explored_multiple_users":11.291361706979842,"km_explored_single_user":3.6016710131224112,"km_needs_reaudit":0.3429091975136542,"km_explorable":14.670535168884424,"km_by_status":{"open":14.670535168884424,"no_imagery":195.23701488784772,"closed":12462.96609681086,"disabled":0},"user_counts":{"all_users":69,"labelers":43,"validators":48,"registered":33,"anonymous":34,"turker":0,"researcher":1},"labels":{"count":1895,"count_with_severity":1784,"avg_label_timestamp":"2025-12-30T17:31:04.290761-08:00","avg_timestamp_last_100_labels":"2026-06-22T07:34:48.735Z","avg_age_of_image_when_labeled":"1991 days","stddev_label_timestamp":"123 days","stddev_age_of_image_when_labeled":"1163 days","CurbRamp":{"count":1070,"count_with_severity":1041,"severity_mean":1.219020172910663,"severity_stddev":0.4824450950988828},"NoCurbRamp":{"count":94,"count_with_severity":85,"severity_mean":2.1176470588235294,"severity_stddev":0.7623860524676451},"Obstacle":{"count":78,"count_with_severity":69,"severity_mean":1.7826086956521738,"severity_stddev":0.8722783759886469},"SurfaceProblem":{"count":328,"count_with_severity":314,"severity_mean":1.5222929936305731,"severity_stddev":0.7201880058156495},"Crosswalk":{"count":283,"count_with_severity":275,"severity_mean":1.6945454545454546,"severity_stddev":0.8593449767030339},"Signal":{"count":17,"count_with_severity":null,"severity_mean":null,"severity_stddev":null},"NoSidewalk":{"count":23,"count_with_severity":null,"severity_mean":null,"severity_stddev":null},"Occlusion":{"count":2,"count_with_severity":null,"severity_mean":null,"severity_stddev":null},"Other":{"count":0,"count_with_severity":0,"severity_mean":null,"severity_stddev":null}},"validations":{"combined":{"total_validations":4199,"Overall":{"validated":1679,"agreed":1453,"disagreed":226,"accuracy":0.8653960690887433,"has_a_validation":1841},"CurbRamp":{"validated":1005,"agreed":971,"disagreed":34,"accuracy":0.9661691542288557,"has_a_validation":1052},"NoCurbRamp":{"validated":78,"agreed":43,"disagreed":35,"accuracy":0.5512820512820513,"has_a_validation":91},"Obstacle":{"validated":63,"agreed":25,"disagreed":38,"accuracy":0.3968253968253968,"has_a_validation":78},"SurfaceProblem":{"validated":277,"agreed":233,"disagreed":44,"accuracy":0.8411552346570397,"has_a_validation":326},"Crosswalk":{"validated":239,"agreed":173,"disagreed":66,"accuracy":0.7238493723849372,"has_a_validation":277},"Signal":{"validated":7,"agreed":6,"disagreed":1,"accuracy":0.8571428571428571,"has_a_validation":7},"NoSidewalk":{"validated":10,"agreed":2,"disagreed":8,"accuracy":0.2,"has_a_validation":10},"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}},"human":{"total_validations":2337,"Overall":{"validated":1163,"agreed":991,"disagreed":172,"accuracy":0.8521066208082545,"has_a_validation":1225},"CurbRamp":{"validated":640,"agreed":626,"disagreed":14,"accuracy":0.978125,"has_a_validation":654},"NoCurbRamp":{"validated":77,"agreed":41,"disagreed":36,"accuracy":0.5324675324675324,"has_a_validation":80},"Obstacle":{"validated":63,"agreed":25,"disagreed":38,"accuracy":0.3968253968253968,"has_a_validation":75},"SurfaceProblem":{"validated":208,"agreed":155,"disagreed":53,"accuracy":0.7451923076923077,"has_a_validation":234},"Crosswalk":{"validated":158,"agreed":136,"disagreed":22,"accuracy":0.8607594936708861,"has_a_validation":165},"Signal":{"validated":7,"agreed":6,"disagreed":1,"accuracy":0.8571428571428571,"has_a_validation":7},"NoSidewalk":{"validated":10,"agreed":2,"disagreed":8,"accuracy":0.2,"has_a_validation":10},"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":{"total_validations":1862,"Overall":{"validated":1445,"agreed":1284,"disagreed":161,"accuracy":0.8885813148788927,"has_a_validation":1824},"CurbRamp":{"validated":949,"agreed":913,"disagreed":36,"accuracy":0.9620653319283456,"has_a_validation":1052},"NoCurbRamp":{"validated":68,"agreed":41,"disagreed":27,"accuracy":0.6029411764705882,"has_a_validation":91},"Obstacle":{"validated":5,"agreed":0,"disagreed":5,"accuracy":0,"has_a_validation":78},"SurfaceProblem":{"validated":214,"agreed":208,"disagreed":6,"accuracy":0.9719626168224299,"has_a_validation":326},"Crosswalk":{"validated":209,"agreed":122,"disagreed":87,"accuracy":0.583732057416268,"has_a_validation":277},"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":777,"ai_yes_maj_vote_differs":23,"ai_no_maj_vote_differs":39,"ai_no_maj_vote_concurs":51},"admin_majority_vote":{"ai_yes_maj_vote_concurs":131,"ai_yes_maj_vote_differs":0,"ai_no_maj_vote_differs":7,"ai_no_maj_vote_concurs":4}},"CurbRamp":{"human_majority_vote":{"ai_yes_maj_vote_concurs":561,"ai_yes_maj_vote_differs":4,"ai_no_maj_vote_differs":7,"ai_no_maj_vote_concurs":6},"admin_majority_vote":{"ai_yes_maj_vote_concurs":70,"ai_yes_maj_vote_differs":0,"ai_no_maj_vote_differs":0,"ai_no_maj_vote_concurs":0}},"NoCurbRamp":{"human_majority_vote":{"ai_yes_maj_vote_concurs":28,"ai_yes_maj_vote_differs":6,"ai_no_maj_vote_differs":6,"ai_no_maj_vote_concurs":19},"admin_majority_vote":{"ai_yes_maj_vote_concurs":1,"ai_yes_maj_vote_differs":0,"ai_no_maj_vote_differs":0,"ai_no_maj_vote_concurs":1}},"Obstacle":{"human_majority_vote":{"ai_yes_maj_vote_concurs":0,"ai_yes_maj_vote_differs":0,"ai_no_maj_vote_differs":0,"ai_no_maj_vote_concurs":5},"admin_majority_vote":{"ai_yes_maj_vote_concurs":0,"ai_yes_maj_vote_differs":0,"ai_no_maj_vote_differs":0,"ai_no_maj_vote_concurs":0}},"SurfaceProblem":{"human_majority_vote":{"ai_yes_maj_vote_concurs":116,"ai_yes_maj_vote_differs":13,"ai_no_maj_vote_differs":1,"ai_no_maj_vote_concurs":3},"admin_majority_vote":{"ai_yes_maj_vote_concurs":33,"ai_yes_maj_vote_differs":0,"ai_no_maj_vote_differs":0,"ai_no_maj_vote_concurs":1}},"Crosswalk":{"human_majority_vote":{"ai_yes_maj_vote_concurs":72,"ai_yes_maj_vote_differs":0,"ai_no_maj_vote_differs":25,"ai_no_maj_vote_concurs":18},"admin_majority_vote":{"ai_yes_maj_vote_concurs":27,"ai_yes_maj_vote_differs":0,"ai_no_maj_vote_differs":7,"ai_no_maj_vote_concurs":2}}}}