{"data":{"event":{"id":"82552dca-38cf-4a86-88ef-9917744bbdf3","slug":"waymo-rider-only-crash-rates","title":"Waymo publishes lower police-reported crash rates than human benchmarks in rider-only service","short_summary":"Waymo reported that its rider-only Driver logged millions of miles with fewer injury and police-reported crashes than adjusted human baselines in the cities where it operates, in company safety studies released 2023–2024.","full_description":"Comparisons used matched human-crash estimates from state and insurance data. Independent researchers have generally treated the direction of the result as credible while debating residual selection effects and exposure definitions. The stack is a specialized AV system, not a general LLM. Service remains geographically limited.\n\nUpdate (2026-09-22): Anthropic launches Claude Opus 5.5: Benchmarks, pricing, safety - Mashable. Anthropic launches Claude Opus 5.5: Benchmarks, pricing, safety  Mashable","ledger_type":"benefit","primary_domain_id":"6457c4d9-7f48-4ee3-86f4-0fb51f683ee6","event_status":"verified","event_date":"2023-12-20T00:00:00.000Z","discovery_date":"2023-12-20T00:00:00.000Z","first_published_date":"2023-12-20T00:00:00.000Z","last_reviewed_date":"2026-09-22T00:00:00.000Z","geographic_scope":"Waymo operating cities in the United States","affected_population":"Waymo riders and other road users in service areas","base_impact_tier":3,"base_score":"10.00","attribution_multiplier":"0.7000","evidence_multiplier":"0.7000","realization_multiplier":"0.8000","durability_multiplier":"0.5500","current_event_score":"2.156000","confidence_level":"high","score_explanation":"Real-world injury-crash reduction in limited cities is major for AV safety (tier 3). Attribution is to the full AV stack, not a public LLM. Peer-reviewed comparison plus NHTSA SGO inputs (0.70). Realization is paid rider-only service. Durability depends on continued operations. Follow-up ingest: added a follow-up source.","methodology_version_id":"d7881163-fb23-4e71-8625-bac1a8662c0f","original_methodology_version_id":"d7881163-fb23-4e71-8625-bac1a8662c0f","published_at":"2023-12-20T00:00:00.000Z","created_at":"2026-09-13T20:47:20.075Z","updated_at":"2026-09-22T22:01:09.512Z","flags":[],"domain_name":"Engineering","domain_slug":"engineering","methodology_version":"0.1"},"contributions":[{"id":"36e3a918-7c40-41c9-a892-68f08ceb3163","event_id":"82552dca-38cf-4a86-88ef-9917744bbdf3","model_id":"5067c416-4b98-4ef5-b581-1ab9ba77931a","role_description":"Autonomous driving system operating rider-only vehicles.","attribution_multiplier":"0.7000","credit_share":"1.0000","contribution_score":"2.156000","attribution_rationale":"Crash outcomes are attributed to the deployed Driver stack.","attribution_confidence":"medium","first_used_date":"2023-12-20T00:00:00.000Z","model_version_if_known":null,"review_status":"approved","created_at":"2026-09-13T20:47:20.075Z","model_slug":"waymo-driver","model_name":"Waymo Driver","identity_class":"named_release","is_internal":false,"family_name":"Waymo Driver","family_slug":"waymo-waymo-driver","organization_name":"Waymo","organization_slug":"waymo"}],"sources":[{"id":"e742a452-c83c-4d2e-a961-17d585f80bd4","event_id":"82552dca-38cf-4a86-88ef-9917744bbdf3","url":"https://arxiv.org/abs/2312.12675","canonical_url":"https://arxiv.org/abs/2312.12675","source_type":"preprint","publisher":"arXiv / Traffic Injury Prevention","author":null,"publication_date":"2023-12-20T00:00:00.000Z","retrieved_at":"2026-09-13T20:47:20.075Z","title":"Comparison of Waymo Rider-Only Crash Data to Human Benchmarks at 7.1 Million Miles","excerpt":null,"content_hash":null,"source_reliability_class":"low","is_primary_source":true,"is_independent":false,"is_peer_reviewed":false,"archived_url":null,"created_at":"2026-09-13T20:47:20.075Z"},{"id":"89e8d7b5-9b8d-4084-a621-06a8bb325074","event_id":"82552dca-38cf-4a86-88ef-9917744bbdf3","url":"https://doi.org/10.1080/15389588.2024.2380786","canonical_url":"https://doi.org/10.1080/15389588.2024.2380786","source_type":"peer_reviewed","publisher":"Traffic Injury Prevention","author":null,"publication_date":"2024-08-14T00:00:00.000Z","retrieved_at":"2026-09-13T20:47:20.075Z","title":"Comparison of Waymo rider-only crash data to human benchmarks at 7.1 million miles","excerpt":null,"content_hash":null,"source_reliability_class":"high","is_primary_source":true,"is_independent":true,"is_peer_reviewed":true,"archived_url":null,"created_at":"2026-09-13T20:47:20.075Z"},{"id":"69cd2d44-17f6-4934-9f1a-1bf112630289","event_id":"82552dca-38cf-4a86-88ef-9917744bbdf3","url":"https://news.google.com/rss/articles/CBMijwFBVV95cUxNR3kyT0JlSC1QNUhOT0RtQ0VZVzFRSF9IZVE1TlhmY3RMU012NENzcm9IVXdXM0NQMmZRVVRxV0d4QmgyUHBCWXRsQ1J3OGhCZ1JPUGhJOG1ZYTdXcTBLVG5PQ1NHUzB6WEVlZFl6U2tDcUdqVkYzSndmOGxlREwtd05Fb1VIUnZpT2d3bDhKWQ?oc=5","canonical_url":"https://news.google.com/rss/articles/CBMijwFBVV95cUxNR3kyT0JlSC1QNUhOT0RtQ0VZVzFRSF9IZVE1TlhmY3RMU012NENzcm9IVXdXM0NQMmZRVVRxV0d4QmgyUHBCWXRsQ1J3OGhCZ1JPUGhJOG1ZYTdXcTBLVG5PQ1NHUzB6WEVlZFl6U2tDcUdqVkYzSndmOGxlREwtd05Fb1VIUnZpT2d3bDhKWQ?oc=5","source_type":"journalism","publisher":"Frontier lab development news","author":null,"publication_date":"2026-09-22T00:00:00.000Z","retrieved_at":"2026-09-22T22:01:09.495Z","title":"Anthropic launches Claude Opus 5.5: Benchmarks, pricing, safety - Mashable","excerpt":"Anthropic launches Claude Opus 5.5: Benchmarks, pricing, safety  Mashable","content_hash":null,"source_reliability_class":"medium","is_primary_source":false,"is_independent":true,"is_peer_reviewed":false,"archived_url":null,"created_at":"2026-09-22T22:01:09.495Z"}],"claims":[{"id":"dd7ad159-258a-4829-9d7f-37695f56c32a","event_id":"82552dca-38cf-4a86-88ef-9917744bbdf3","claim_text":"Waymo reported lower police-reported and injury crash rates than comparable human benchmarks over multi-million-mile rider-only operations.","claim_type":"outcome","claim_status":"supported","confidence_score":null,"created_at":"2026-09-13T20:47:20.075Z","updated_at":"2026-09-13T20:47:20.075Z"}],"revisions":[{"id":"bbc4674e-3512-476d-8d0b-9435ce6b677d","event_id":"82552dca-38cf-4a86-88ef-9917744bbdf3","model_id":null,"previous_score":"0.000000","new_score":"2.156000","previous_factors":{},"new_factors":{"evidence":0.7,"base_score":10,"durability":0.55,"attribution":0.7,"realization":0.8},"change_reason":"Initial adjudicated seed score under methodology 0.1.","trigger_type":"seed","trigger_source_ids":null,"reviewer_id":null,"review_status":"published","created_at":"2026-09-13T20:47:20.075Z"},{"id":"585a7ce5-087c-450c-9f3b-9726e62d03f4","event_id":"82552dca-38cf-4a86-88ef-9917744bbdf3","model_id":null,"previous_score":"2.156000","new_score":"2.156000","previous_factors":{"tier":3,"evidence":0.7,"base_score":10,"durability":0.55,"attribution":0.7,"realization":0.8},"new_factors":{"tier":3,"models":["5067c416-4b98-4ef5-b581-1ab9ba77931a"],"evidence":0.7,"base_score":10,"durability":0.55,"attribution":0.7,"realization":0.8},"change_reason":"Ingest update: added a follow-up source.","trigger_type":"ingest_update","trigger_source_ids":["69cd2d44-17f6-4934-9f1a-1bf112630289"],"reviewer_id":null,"review_status":"published","created_at":"2026-09-22T22:01:09.550Z"}],"secondary":[{"name":"Medicine & Health","slug":"medicine-health"}]},"methodology_version":"0.1"}