{
  "id": "AIBD-0259",
  "title": "FCW with AEB cut front-to-rear crashes 49%; AEB cut pickup rear-end crash rates 43% (November 2022)",
  "summary": "VOA Learning English (16 Nov 2022): the automaker-NHTSA Partnership for Analytics Research in Traffic Safety analyzed 12 million police-reported crashes in 13 states; IIHS analyzed pickups in 25 st...",
  "date_observed": "2022-11-16",
  "date_basis": "unassessed",
  "date_precision": "unassessed",
  "benefit_status": null,
  "source_collection": null,
  "source_entry": null,
  "account": "VOA Learning English reported on 16 Nov 2022, drawing on Associated Press coverage, that two U.S. studies had quantified the effect of front crash prevention. The Partnership for Analytics Research in Traffic Safety (PARTS) is a collaboration between automakers and the National Highway Traffic Safety Administration. It examined more than 12 million police-reported crashes in 13 states involving 93 vehicle models from 2015 to 2020. It found front-to-rear crashes reduced by 49% when the striking vehicle had both forward collision warning and automatic emergency braking. Injury crashes were down 53%. Stellantis executive Tim Czapp of the PARTS board was quoted. The Insurance Institute for Highway Safety (IIHS) used police-reported crashes in 25 states from 2017 to 2020. It found automatic emergency braking reduced rear-end crash rates for pickups by 43%. IIHS researcher Jessica Cicchino urged automakers to fit every pickup with the feature. The PARTS and IIHS reports themselves are not among the sources. The OECD AI Incidents Monitor lists the coverage as an aggregate benefit. These are different studies from the 2017 IIHS analysis.",
  "category": "general benefit",
  "unexpected": false,
  "purpose": "Forward collision warning and automatic emergency braking are built to detect an impending front-to-rear collision and warn or brake.",
  "system": "Forward collision warning and automatic emergency braking across multiple makers' passenger vehicles and pickups",
  "model_version": null,
  "developer": "Multiple automakers",
  "deployer": "Multiple automakers (factory-fitted systems)",
  "location": null,
  "domain": "Road vehicle crash avoidance",
  "segment": "Automotive",
  "benefit_type": "Increased Product Safety",
  "taxonomy_note": null,
  "registry_ids": {},
  "ratings": [
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      "reason": "Aggregate crash-rate findings. No individually attributable outcome."
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    "statement": "Camera and radar perception triggers warnings and braking. The studies compare crash rates of equipped and unequipped vehicles using police-reported crash data. The underlying reports are not among the sources."
  },
  "evidence": [
    {
      "kind": "news report",
      "citation": "VOA Learning English (16 Nov 2022). Study: Vehicle Warning and Braking Systems Cut Crashes by 50 Percent (from Associated Press reporting).",
      "title": "Study: Vehicle Warning and Braking Systems Cut Crashes by 50 Percent",
      "url": "https://learningenglish.voanews.com/a/study-vehicle-warning-and-braking-systems-cut-crashes-by-50-percent/6836920.html",
      "date": "2022-11-16",
      "written_by": "independent",
      "quote": "Front to rear crashes were reduced by 49 percent when the striking vehicle had both forward collision warning and automatic emergency braking."
    },
    {
      "kind": "registry label",
      "citation": "OECD AI Incidents and Hazards Monitor, incident 2022-11-15-d32d: Automatic Emergency Braking AI Significantly Reduces Vehicle Crashes.",
      "title": "Automatic Emergency Braking AI Significantly Reduces Vehicle Crashes",
      "url": "https://oecd.ai/en/incidents/2022-11-15-d32d",
      "date": "2022-11-15",
      "written_by": "independent",
      "quote": "Two U.S. studies found that automatic emergency braking, an AI system that detects imminent collisions and applies brakes, can halve rear-end crashes and reduce pickup truck crashes by over 40%."
    },
    {
      "kind": "report",
      "citation": "Partnership for Analytics Research in Traffic Safety (6 Jan 2025). A Study on Real-world Effectiveness of Model Year 2015–2023 Advanced Driver Assistance Systems. MITRE Corporation, Public Release Case Number 25-0114.",
      "title": "A Study on Real-world Effectiveness of Model Year 2015–2023 Advanced Driver Assistance Systems",
      "url": "https://www.safetyresearch.net/wp-content/uploads/2025/04/PARTS_Real-World-Effectiveness-ADAS.pdf",
      "date": "2025-01-06",
      "written_by": "makers",
      "quote": null
    }
  ],
  "replication": {
    "produced_by": [
      "Large multi-state police-reported crash databases linked to vehicle equipment",
      "Comparison of equipped and unequipped versions of the same models",
      "Industry-regulator data sharing (PARTS) and an insurer-funded institute (IIHS)"
    ],
    "must_hold": [
      "Equipment status can be identified per vehicle",
      "Crash reporting thresholds are comparable across states"
    ],
    "echoes": [
      {
        "date": "2017-01-01",
        "setting": "IIHS 2017 analysis of FCW and AEB on rear-end striking crash rates",
        "model_version": null,
        "outcome": "recurred",
        "source": "https://doi.org/10.1016/j.aap.2016.11.009"
      }
    ]
  },
  "paired_incident": null,
  "headline": "FCW with AEB cuts front-to-rear crashes 49%",
  "metric": "front-to-rear crashes reduced by 49%",
  "comparator": {
    "against": "striking vehicles without forward collision warning and automatic emergency braking",
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    "basis": "measured",
    "quote": "The PARTS group’s study found that front to rear crashes were reduced by 49 percent when the striking vehicle had both forward collision warning and automatic emergency braking.",
    "url": "https://learningenglish.voanews.com/a/study-vehicle-warning-and-braking-systems-cut-crashes-by-50-percent/6836920.html"
  },
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    "note": "PARTS's second study, published 6 January 2025 on model years 2015-2023, again measured a 49% reduction in front-to-rear crashes for AEB-equipped vehicles, with effectiveness rising from 46% for 2015-2017 models to 52% for 2021-2023 models; NHTSA had meanwhile finalized a rule in April 2024 requiring AEB on all new light vehicles by September 2029.",
    "quote": "The study measured a 49% reduction in front-to-rear crashes for vehicles equipped with AEB across all vehicle segments and model years.",
    "url": "https://www.safetyresearch.net/wp-content/uploads/2025/04/PARTS_Real-World-Effectiveness-ADAS.pdf"
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      "change": "Benefit type set to Increased Product Safety under Trustible's full taxonomy of 23 types; it was Improved Organizational Efficiency among the six first used.",
      "source": "https://trustible.ai/post/a-framework-for-measuring-the-benefits-of-ai/",
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      "change": "Added what the benefit is measured against, what happened since from the cited sources.",
      "source": "https://learningenglish.voanews.com/a/study-vehicle-warning-and-braking-systems-cut-crashes-by-50-percent/6836920.html; https://www.safetyresearch.net/wp-content/uploads/2025/04/PARTS_Real-World-Effectiveness-ADAS.pdf",
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}