{"id":"AIBD-0602","title":"Otago and Monash analysis of Australian and New Zealand crashes links pedestrian-detecting AEB to 17% fewer pedestrian or cyclist collisions","summary":"In Australian and New Zealand injury crashes from 2016 to 2023, cars with pedestrian-detecting AEB had 17% fewer pedestrian or cyclist collisions than cars without AEB.","date_observed":"2026-06-11","date_basis":"source publication","date_precision":"day","benefit_status":"reported","source_collection":null,"source_entry":null,"account":"M. D. Keall of the University of Otago in Wellington and S. Newstead of the Monash University Accident Research Centre in Melbourne analyzed injury crashes in Australia and New Zealand from 2016 to 2023. They classed a vehicle as having pedestrian autonomous emergency braking (PAEB) when Redbook vehicle specifications listed pedestrian avoidance with braking, and they used an induced exposure method that controlled for jurisdiction, speed limit, vehicle market group, driver age and sex, weather, light and year. Vehicles with PAEB had a 17% lower rate of pedestrian or cyclist collisions (95% CI 5% to 27%) than vehicles without any AEB. Vehicles with AEB that lacked pedestrian detection showed no reduction in these collisions. Collisions with motorcycles fell 11% with PAEB (95% CI 0% to 21%). The authors estimated that the benefit was higher at night, which differs from some other studies. Traffic Injury Prevention published the study online on 11 June 2026. The design is observational, the fitment data come from specifications, and the data held too few cyclists for a separate cyclist estimate.","category":"general benefit","unexpected":false,"purpose":"Pedestrian AEB is built to extend automatic braking to people on foot and on bicycles. The fewer collisions with vulnerable road users that the study measured were that purpose.","system":"Pedestrian autonomous emergency braking (PAEB), identified from the Redbook specification feature for pedestrian avoidance with braking","model_version":null,"developer":"Multiple automakers (not named in the abstract)","deployer":"Multiple automakers (factory-fitted systems on vehicles sold in Australia and New Zealand)","location":"Australia and New Zealand","domain":"Road safety","segment":null,"benefit_type":"Reduced Risk","taxonomy_note":null,"registry_ids":{},"ratings":[{"group":"societal","depth":5,"reason":"Across eight years of Australian and New Zealand injury crashes, PAEB-equipped vehicles had a 17% lower rate of pedestrian or cyclist collisions."}],"ai_role":{"status":"assessed","statement":"The study compares PAEB-equipped vehicles with vehicles that have no AEB and with vehicles that have AEB without pedestrian detection, so it isolates the pedestrian detection; the comparison is observational."},"evidence":[{"kind":"peer-reviewed study","citation":"Keall MD, Newstead S. Analysis of real word safety benefits of pedestrian autonomous emergency braking (PAEB) for pedestrians, cyclists and motorcyclists. Traffic Inj Prev. 2026;27:S286-S292. doi:10.1080/15389588.2026.2673090","title":"Analysis of real word safety benefits of pedestrian autonomous emergency braking (PAEB) for pedestrians, cyclists and motorcyclists","url":"https://pubmed.ncbi.nlm.nih.gov/42275024/","date":"2026-06-11","written_by":"independent","quote":"there was a 17% reduction (95% CI 5% to 27%) in the rate of pedestrian or cyclist collisions associated with vehicles equipped with PAEB relative to vehicles without any AEB system"}],"replication":{"produced_by":["Vehicles on Australian and New Zealand roads carried factory-fitted PAEB.","Pedestrian detection made the difference: AEB without it showed no reduction in these collisions."],"must_hold":["The system must detect pedestrians, cyclists or motorcyclists in time to brake.","The fitted system must include pedestrian detection."],"echoes":[{"date":"2022-05-14","setting":"US police-reported crashes, IIHS study of optional pedestrian-detecting AEB","model_version":null,"outcome":"recurred","source":"https://pubmed.ncbi.nlm.nih.gov/35580401/"},{"date":"2025-05-10","setting":"Japanese police crash data 2016 to 2019, six best-selling models with optional AEB","model_version":null,"outcome":"recurred","source":"https://pubmed.ncbi.nlm.nih.gov/40349424/"}]},"paired_incident":{"database":"AI Incident Database","identifier":"341","title":"Nissan's \"Automatic Emergency Braking\" False Positives Posed Traffic Risks to Drivers","url":"https://incidentdatabase.ai/cite/341","severity":null,"group":"societal","basis":"Both records concern automatic emergency braking on passenger cars, and in this incident false braking endangered car occupants and other road users whom the system is meant to protect."},"headline":"Braking systems that detect pedestrians protect people outside the car","metric":"a 17% lower rate of pedestrian or cyclist collisions (95% CI 5% to 27%)","comparator":{"against":"Vehicles without any AEB system","before":"Collision rate with pedestrians or cyclists of vehicles without AEB","after":"17% lower rate (95% CI 5% to 27%)","basis":"measured","quote":"there was a 17% reduction (95% CI 5% to 27%) in the rate of pedestrian or cyclist collisions associated with vehicles equipped with PAEB relative to vehicles without any AEB system","url":"https://pubmed.ncbi.nlm.nih.gov/42275024/"},"later":null,"value":null,"developer_country":"Multiple countries (makers not named)","deployer_country":"Multiple countries (makers not named)","unrated_because":null,"brief_notes":null,"brief":null,"revisions":[{"date":"2026-10-29","change":"Added the case.","source":"https://pubmed.ncbi.nlm.nih.gov/42275024/","editor":"AIBD"},{"date":"2026-10-29","change":"Linked a comparable incident in the AI Incident Database (incident 341).","source":"https://incidentdatabase.ai/cite/341","editor":"AIBD"}],"confidence":"studied","shade":"high","claim_status":"Independently studied","claim_basis":"Sources: one independent peer-reviewed study. 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