{"id":"W4409053930","doi":"10.11648/j.ajtte.20251001.12","title":"Roundabout Accessibility: A Canadian View","year":2025,"lang":"en","type":"article","venue":"American Journal of Traffic and Transportation Engineering","topic":"Safety Warnings and Signage","field":"Psychology","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"Lakehead University","funders":"","keywords":"Roundabout; Computer science; Transport engineering; Engineering","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001850361,0.00008989053,0.0002215413,0.0002464997,0.00004099618,0.0000200172,0.00008565658,0.00002733726,0.00008374498],"category_scores_gemma":[0.000009370006,0.00008363673,0.00006519424,0.000312249,0.00003651619,0.00008926628,6.359375e-7,0.0001656666,0.000001636697],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00004018866,"about_ca_system_score_gemma":0.0000967467,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001736162,"about_ca_topic_score_gemma":0.001996357,"domain_scores_codex":[0.9993318,0.00001594241,0.0003191087,0.0001019046,0.00007004266,0.0001611967],"domain_scores_gemma":[0.9995772,0.00005589554,0.0001147456,0.00006665909,0.00005243828,0.0001330352],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"observational","study_design_scores_codex":[0.0001666826,0.00009534738,0.02873489,0.0001137292,0.0006757723,0.0002600386,0.01440732,0.04880388,0.0001890815,0.00811852,0.0003226325,0.8981121],"study_design_scores_gemma":[0.0008092255,0.0002056623,0.9664214,0.0001637455,0.0001482785,0.00003452317,0.002766728,0.001037641,0.000009223429,0.00002495351,0.02818822,0.0001904211],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.987991,0.00112419,0.009644482,0.0004959768,0.0003435359,0.00004926131,0.000005531363,0.0000183978,0.0003276144],"genre_scores_gemma":[0.9990386,0.00006439699,0.0005846671,0.0001717423,0.00003253323,0.000002422082,0.00000317059,0.000008800968,0.000093645],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.9376865,"threshold_uncertainty_score":0.3410607,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.005723254577396053,"score_gpt":0.2556396341303044,"score_spread":0.2499163795529084,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}