{"launch_date":"2026-07-17","avg_timestamp_last_100_labels":"2026-07-30T12:22:04.005Z","km_explored":4.78564499634415,"km_explored_no_overlap":4.662604870616573,"km_explored_multiple_users":0.039553124215571694,"km_explored_single_user":4.623051746401001,"km_needs_reaudit":0,"km_explorable":208.88294516227677,"km_by_status":{"open":208.88294516227677,"no_imagery":617.2015957101268,"closed":11478.425439233302,"disabled":0},"user_counts":{"all_users":13,"labelers":8,"validators":10,"registered":7,"anonymous":3,"turker":0,"researcher":2},"labels":{"label_count":362,"label_count_with_severity":217,"avg_label_timestamp":"2026-07-21T15:16:45.869660-07:00","avg_age_of_image_when_labeled":"978 days","stddev_label_timestamp":"6 days","stddev_age_of_image_when_labeled":"982 days","CurbRamp":{"count":100,"count_with_severity":96,"severity_mean":1.4479166666666667,"severity_sd":0.5959475721671579},"NoCurbRamp":{"count":31,"count_with_severity":25,"severity_mean":2.6,"severity_sd":0.6454972243679028},"Obstacle":{"count":30,"count_with_severity":28,"severity_mean":2.25,"severity_sd":0.8443713418650368},"SurfaceProblem":{"count":73,"count_with_severity":60,"severity_mean":1.65,"severity_sd":0.8197767368650349},"Other":{"count":1,"count_with_severity":1,"severity_mean":3,"severity_sd":null},"Occlusion":{"count":3,"count_with_severity":null,"severity_mean":null,"severity_sd":null},"NoSidewalk":{"count":105,"count_with_severity":null,"severity_mean":null,"severity_sd":null},"Crosswalk":{"count":13,"count_with_severity":7,"severity_mean":1.4285714285714286,"severity_sd":0.5345224838248488},"Signal":{"count":6,"count_with_severity":null,"severity_mean":null,"severity_sd":null}},"validations":{"combined":{"total_validations":472,"Overall":{"validated":202,"agreed":175,"disagreed":27,"accuracy":0.8663366336633663,"has_a_validation":261},"CurbRamp":{"validated":89,"agreed":78,"disagreed":11,"accuracy":0.8764044943820225,"has_a_validation":100},"NoCurbRamp":{"validated":26,"agreed":20,"disagreed":6,"accuracy":0.7692307692307693,"has_a_validation":31},"Obstacle":{"validated":19,"agreed":14,"disagreed":5,"accuracy":0.7368421052631579,"has_a_validation":30},"SurfaceProblem":{"validated":42,"agreed":37,"disagreed":5,"accuracy":0.8809523809523809,"has_a_validation":73},"Other":{"validated":0,"agreed":0,"disagreed":0,"has_a_validation":0},"Occlusion":{"validated":0,"agreed":0,"disagreed":0,"has_a_validation":0},"NoSidewalk":{"validated":8,"agreed":8,"disagreed":0,"accuracy":1,"has_a_validation":8},"Crosswalk":{"validated":12,"agreed":12,"disagreed":0,"accuracy":1,"has_a_validation":13},"Signal":{"validated":6,"agreed":6,"disagreed":0,"accuracy":1,"has_a_validation":6}},"human":{"total_validations":210,"Overall":{"validated":147,"agreed":138,"disagreed":9,"accuracy":0.9387755102040817,"has_a_validation":168},"CurbRamp":{"validated":58,"agreed":58,"disagreed":0,"accuracy":1,"has_a_validation":68},"NoCurbRamp":{"validated":11,"agreed":11,"disagreed":0,"accuracy":1,"has_a_validation":11},"Obstacle":{"validated":19,"agreed":14,"disagreed":5,"accuracy":0.7368421052631579,"has_a_validation":24},"SurfaceProblem":{"validated":34,"agreed":30,"disagreed":4,"accuracy":0.8823529411764706,"has_a_validation":40},"Other":{"validated":0,"agreed":0,"disagreed":0,"has_a_validation":0},"Occlusion":{"validated":0,"agreed":0,"disagreed":0,"has_a_validation":0},"NoSidewalk":{"validated":8,"agreed":8,"disagreed":0,"accuracy":1,"has_a_validation":8},"Crosswalk":{"validated":11,"agreed":11,"disagreed":0,"accuracy":1,"has_a_validation":11},"Signal":{"validated":6,"agreed":6,"disagreed":0,"accuracy":1,"has_a_validation":6}},"ai":{"total_validations":262,"Overall":{"validated":127,"agreed":99,"disagreed":28,"accuracy":0.7795275590551181,"has_a_validation":247},"CurbRamp":{"validated":69,"agreed":53,"disagreed":16,"accuracy":0.7681159420289855,"has_a_validation":100},"NoCurbRamp":{"validated":22,"agreed":15,"disagreed":7,"accuracy":0.6818181818181818,"has_a_validation":31},"Obstacle":{"validated":0,"agreed":0,"disagreed":0,"has_a_validation":30},"SurfaceProblem":{"validated":24,"agreed":19,"disagreed":5,"accuracy":0.7916666666666666,"has_a_validation":73},"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":12,"agreed":12,"disagreed":0,"accuracy":1,"has_a_validation":13},"Signal":{"validated":0,"agreed":0,"disagreed":0,"has_a_validation":0}}},"ai_stats":{"Overall":{"human_majority_vote":{"ai_yes_human_concurs":54,"ai_yes_human_differs":1,"ai_no_human_differs":9,"ai_no_human_concurs":0},"admin_majority_vote":{"ai_yes_human_concurs":33,"ai_yes_human_differs":0,"ai_no_human_differs":9,"ai_no_human_concurs":0}},"CurbRamp":{"human_majority_vote":{"ai_yes_human_concurs":29,"ai_yes_human_differs":0,"ai_no_human_differs":5,"ai_no_human_concurs":0},"admin_majority_vote":{"ai_yes_human_concurs":24,"ai_yes_human_differs":0,"ai_no_human_differs":7,"ai_no_human_concurs":0}},"NoCurbRamp":{"human_majority_vote":{"ai_yes_human_concurs":5,"ai_yes_human_differs":0,"ai_no_human_differs":1,"ai_no_human_concurs":0},"admin_majority_vote":{"ai_yes_human_concurs":0,"ai_yes_human_differs":0,"ai_no_human_differs":1,"ai_no_human_concurs":0}},"Obstacle":{"human_majority_vote":{"ai_yes_human_concurs":0,"ai_yes_human_differs":0,"ai_no_human_differs":0,"ai_no_human_concurs":0},"admin_majority_vote":{"ai_yes_human_concurs":0,"ai_yes_human_differs":0,"ai_no_human_differs":0,"ai_no_human_concurs":0}},"SurfaceProblem":{"human_majority_vote":{"ai_yes_human_concurs":9,"ai_yes_human_differs":1,"ai_no_human_differs":3,"ai_no_human_concurs":0},"admin_majority_vote":{"ai_yes_human_concurs":7,"ai_yes_human_differs":0,"ai_no_human_differs":1,"ai_no_human_concurs":0}},"Crosswalk":{"human_majority_vote":{"ai_yes_human_concurs":11,"ai_yes_human_differs":0,"ai_no_human_differs":0,"ai_no_human_concurs":0},"admin_majority_vote":{"ai_yes_human_concurs":2,"ai_yes_human_differs":0,"ai_no_human_differs":0,"ai_no_human_concurs":0}}}}