{"id":"AIBD-0820","title":"New York City's Taxi and Limousine Commission finds that tailgating alerts from Mobileye's system fell in fitted cabs during its safety trial","summary":"In a TLC trial, tailgating alerts from Mobileye's system fell from 100 per 100 miles in July 2015 to between 20 and 40 from January 2016. Crash rates in the trial did not clearly fall.","date_observed":"2016-01-01","date_basis":"event","date_precision":"month","benefit_status":"mixed","source_collection":null,"source_entry":null,"account":"The New York City Taxi and Limousine Commission, or TLC, ran a two-year trial of safety technology in vehicles from April 2015 to April 2017. Mobileye supplied its aftermarket system for 20 vehicles in a fleet of mostly yellow taxis. A sensor on the windshield watches the road and alerts the driver by sound, a dashboard display and a vibrating seat. The alerts cover drifting from a lane, following too closely and possible collisions with vehicles or pedestrians. Mobileye added a black box so that the TLC could analyze the alerts. In its final report of March 2018, the TLC found that warnings for tailgating fell the most. They fell from 100 per 100 miles in July 2015 to between 20 and 40 per 100 miles from January 2016. Most other alerts fell early and then stayed flat. Crash rates for the vehicles in the trial did not show a clear decline. The TLC judged the results encouraging but inconclusive, partly because its data described vehicles that several drivers may share. The TLC does not mention machine learning.","category":"aggregate result","unexpected":false,"purpose":"Mobileye built its aftermarket system to warn drivers of lane departures, close following and possible collisions.","system":"Mobileye aftermarket warning system, with a black box recorder added for the trial","model_version":null,"developer":"Mobileye","deployer":"A fleet of mostly yellow taxis licensed by the TLC, in the TLC's Vehicle Safety Technology Pilot","location":"New York City, New York, United States","domain":"Road safety / for-hire vehicles","segment":null,"benefit_type":"Reduced Risk","work_activities":["4.A.1.a.2","4.A.1.b.1"],"taxonomy_note":null,"registry_ids":{},"ratings":[{"group":"personal","depth":2,"reason":"Tailgating alerts in the fitted cabs fell from 100 to between 20 and 40 per 100 miles, a measured change in how closely drivers followed."},{"group":"societal","depth":null,"reason":"Crash rates for the vehicles in the trial did not show a clear decline, so no gain in road safety is shown."}],"ai_role":{"status":"unassessed","statement":"The TLC tracked alert rates in the fitted cabs over time without a comparison group, so the fall cannot be tied to the system alone. Shared vehicles and changes in the fleet could also move the rates. The TLC describes a sensor that detects vehicles, pedestrians and lane markings but does not mention machine learning."},"evidence":[{"kind":"regulatory document","citation":"New York City Taxi and Limousine Commission. Vehicle Safety Technology Final Report. March 2018.","title":"Vehicle Safety Technology Final Report","url":"https://www.nyc.gov/assets/tlc/downloads/pdf/final_vehicle_safety_technology_report.pdf","date":"2018-03-01","written_by":"independent","quote":"Headway Warning rates—alerts for tailgating—decreased the most over the course of the Pilot, from 100 alerts for each 100 miles traveled (or one alert per mile) in July 2015 to between 20 and 40 alerts per 100 miles starting in January 2016."},{"kind":"regulatory document","citation":"New York City Taxi and Limousine Commission. Vehicle Safety Technology Final Report. March 2018.","title":"Vehicle Safety Technology Final Report","url":"https://www.nyc.gov/assets/tlc/downloads/pdf/final_vehicle_safety_technology_report.pdf","date":"2018-03-01","written_by":"independent","quote":"The crash rates per participating vehicle did not show a clear decline over the course of the program.","supports_benefit":false}],"replication":{"produced_by":["A forward-facing sensor on the windshield monitored the road continuously.","Drivers got sound and visual alerts and a vibrating seat when they followed too closely or left a lane without signaling.","A black box recorded the alerts for the TLC's analysis."],"must_hold":["Drivers must be exposed to the alerts consistently.","Fleets may need to use the data to coach drivers for behavior to change."],"echoes":[]},"paired_incident":null,"headline":"Tailgating alerts from *Mobileye* fall in New York taxis","metric":"fell from 100 per 100 miles in July 2015 to between 20 and 40","comparator":{"against":"Alert rates in the same fleet early in the trial","before":"100 alerts for each 100 miles traveled (or one alert per mile) in July 2015","after":"between 20 and 40 alerts per 100 miles starting in January 2016","basis":"measured","quote":"Headway Warning rates—alerts for tailgating—decreased the most over the course of the Pilot, from 100 alerts for each 100 miles traveled (or one alert per mile) in July 2015 to between 20 and 40 alerts per 100 miles starting in January 2016.","url":"https://www.nyc.gov/assets/tlc/downloads/pdf/final_vehicle_safety_technology_report.pdf"},"later":null,"value":null,"developer_country":"Israel","deployer_country":"United States","unrated_because":null,"brief_notes":null,"brief":null,"revisions":[{"date":"2026-10-31","change":"Added the record from the finding of the TLC.","source":"https://www.nyc.gov/assets/tlc/downloads/pdf/final_vehicle_safety_technology_report.pdf","editor":"AIBD"}],"confidence":"found","shade":"high","claim_status":"Found by a regulator","claim_basis":"Sources: one independent regulatory document. For the benefit itself, the cited sources include no independent study or report.","case_jurisdictions":["United States"],"profile":{"case_id":"AIBD-0820","catalog_version":"1.0.0","source_fingerprint":"4c52cdd71748a070b2e998eca64475e721810b6dd514ffbfc80970df5d3aee23","collection_refs":[{"collection_id":"aibd","version":"2026-10-31"},{"collection_id":"querist","version":"2026-10-25"},{"collection_id":"viator","version":"2026-10-25"}],"source_ids":["AIBD-0820-source-0001","AIBD-0820-source-0002"],"families":{"strategic assessments":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"Editorial assignment.","review_state":"not_assessed","coverage":"partial","record_ids":[]},"evaluations":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"Editorial assignment.","review_state":"not_assessed","coverage":"partial","record_ids":[]},"monetary observations":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"Editorial assignment.","review_state":"not_assessed","coverage":"partial","record_ids":[]},"institutional decisions":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"Editorial assignment.","review_state":"not_assessed","coverage":"partial","record_ids":[]}},"fields":{"actors[]":{"state":"value_present","value":{"kind":"record_fields","fields":{"developer":"Mobileye","deployer":"A fleet of mostly yellow taxis licensed by the TLC, in the TLC's Vehicle Safety Technology Pilot"}},"provenance":{"kind":"legacy_record","basis":"Editorial assignment.","record_fields":["developer","deployer"],"source_refs":[]},"review_state":"record_mapped","coverage":"partial"},"actors[].ownership_control":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"ai_contribution":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"ai_relationship":{"state":"value_present","value":{"kind":"record_fields","fields":{"category":"aggregate result","ai_role":{"status":"unassessed","statement":"The TLC tracked alert rates in the fitted cabs over time without a comparison group, so the fall cannot be tied to the system alone. Shared vehicles and changes in the fleet could also move the rates. The TLC describes a sensor that detects vehicles, pedestrians and lane markings but does not mention machine learning."}}},"provenance":{"kind":"legacy_record","basis":"Editorial assignment.","record_fields":["ai_role","category"],"source_refs":[]},"review_state":"record_mapped","coverage":"partial"},"assessments[].alternatives":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"assessments[].assessor_date":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"assessments[].depth":{"state":"value_present","value":{"kind":"record_fields","fields":{"ratings":[{"group":"personal","depth":2,"reason":"Tailgating alerts in the fitted cabs fell from 100 to between 20 and 40 per 100 miles, a measured change in how closely drivers followed."},{"group":"societal","reason":"Crash rates for the vehicles in the trial did not show a clear decline, so no gain in road safety is shown."}]}},"provenance":{"kind":"legacy_record","basis":"Editorial assignment.","record_fields":["ratings"],"source_refs":[]},"review_state":"record_mapped","coverage":"partial"},"assessments[].display_confidence":{"state":"value_present","value":{"kind":"structured","data":{"confidence":"high","evidence_word":"found","claim_status":"Found by a regulator","basis":"Sources: one independent regulatory document. For the benefit itself, the cited sources include no independent study or report.","interpretation":"Existing display rule preserved; the richer outcome-specific confidence question still needs review."}},"provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"review_state":"record_mapped","coverage":"partial"},"assessments[].rationale":{"state":"value_present","value":{"kind":"record_fields","fields":{"ratings":[{"group":"personal","depth":2,"reason":"Tailgating alerts in the fitted cabs fell from 100 to between 20 and 40 per 100 miles, a measured change in how closely drivers followed."},{"group":"societal","reason":"Crash rates for the vehicles in the trial did not show a clear decline, so no gain in road safety is shown."}]}},"provenance":{"kind":"legacy_record","basis":"Editorial assignment.","record_fields":["ratings"],"source_refs":[]},"review_state":"record_mapped","coverage":"partial"},"assessments[].rubric_version":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"assessments[].status_basis":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"assessments[].target":{"state":"value_present","value":{"kind":"record_fields","fields":{"ratings":[{"group":"personal","depth":2,"reason":"Tailgating alerts in the fitted cabs fell from 100 to between 20 and 40 per 100 miles, a measured change in how closely drivers followed."},{"group":"societal","reason":"Crash rates for the vehicles in the trial did not show a clear decline, so no gain in road safety is shown."}]}},"provenance":{"kind":"legacy_record","basis":"Editorial assignment.","record_fields":["ratings"],"source_refs":[]},"review_state":"record_mapped","coverage":"partial"},"availability":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"brief":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"case_kind":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"case_links[]":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"claims[].evidence_links":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"claims[].evidence_strength":{"state":"value_present","value":{"kind":"structured","data":{"answer":"Found by a regulator. Sources: one independent regulatory document. For the benefit itself, the cited sources include no independent study or report.","evidence_word":"found","claim_status":"Found by a regulator"}},"provenance":{"kind":"source_review","basis":"Editorial assignment.","record_fields":["evidence"],"source_refs":["AIBD-0820-source-0001","AIBD-0820-source-0002"],"reviewed_on":"2026-10-29"},"review_state":"reviewed","coverage":"complete","display":{"answer":"Found by a regulator. Sources: one independent regulatory document. For the benefit itself, the cited sources include no independent study or report.","inferred":false}},"claims[].missingness":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"claims[].proposition":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"cross_border_flows[]":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"decisions[].action_outcome":{"state":"unresolved","review_state":"not_assessed","coverage":"partial","family":"institutional decisions"},"decisions[].grounds":{"state":"unresolved","review_state":"not_assessed","coverage":"partial","family":"institutional decisions"},"decisions[].institution_task":{"state":"unresolved","review_state":"not_assessed","coverage":"partial","family":"institutional decisions"},"decisions[].success_criterion":{"state":"unresolved","review_state":"not_assessed","coverage":"partial","family":"institutional decisions"},"deployment_stage":{"state":"value_present","value":{"kind":"structured","data":{"classification":"pilot","answer":"The system was used in a pilot. Mobileye supplied its system for 20 vehicles in the TLC's two-year trial of safety technology.","scope":"The period and activity described in the case."}},"provenance":{"kind":"source_review","basis":"Editorial assignment.","record_fields":["account","evidence"],"source_refs":["AIBD-0820-source-0001"],"reviewed_on":"2026-10-29"},"review_state":"reviewed","coverage":"complete","display":{"answer":"The system was used in a pilot. Mobileye supplied its system for 20 vehicles in the TLC's two-year trial of safety technology.","inferred":false}},"economics[].amount":{"state":"unresolved","review_state":"not_assessed","coverage":"partial","family":"monetary observations"},"economics[].costs[]":{"state":"unresolved","review_state":"not_assessed","coverage":"partial","family":"monetary observations"},"economics[].counterfactual":{"state":"unresolved","review_state":"not_assessed","coverage":"partial","family":"monetary observations"},"economics[].currency_price_basis":{"state":"unresolved","review_state":"not_assessed","coverage":"partial","family":"monetary observations"},"economics[].gross_net":{"state":"unresolved","review_state":"not_assessed","coverage":"partial","family":"monetary observations"},"economics[].measure_type":{"state":"unresolved","review_state":"not_assessed","coverage":"partial","family":"monetary observations"},"economics[].period_unit":{"state":"unresolved","review_state":"not_assessed","coverage":"partial","family":"monetary observations"},"economics[].realization":{"state":"unresolved","review_state":"not_assessed","coverage":"partial","family":"monetary observations"},"economics[].recipient_payer":{"state":"unresolved","review_state":"not_assessed","coverage":"partial","family":"monetary observations"},"economics[].return_payback":{"state":"unresolved","review_state":"not_assessed","coverage":"partial","family":"monetary observations"},"economics[].valuation_method":{"state":"unresolved","review_state":"not_assessed","coverage":"partial","family":"monetary observations"},"evaluations[].ai_uplift":{"state":"unresolved","review_state":"not_assessed","coverage":"partial","family":"evaluations"},"evaluations[].comparator":{"state":"unresolved","review_state":"not_assessed","coverage":"partial","family":"evaluations"},"evaluations[].design":{"state":"unresolved","review_state":"not_assessed","coverage":"partial","family":"evaluations"},"evaluations[].effect":{"state":"unresolved","review_state":"not_assessed","coverage":"partial","family":"evaluations"},"evaluations[].exposure":{"state":"unresolved","review_state":"not_assessed","coverage":"partial","family":"evaluations"},"evaluations[].id":{"state":"unresolved","review_state":"not_assessed","coverage":"partial","family":"evaluations"},"evaluations[].measurement_method":{"state":"unresolved","review_state":"not_assessed","coverage":"partial","family":"evaluations"},"evaluations[].metric":{"state":"unresolved","review_state":"not_assessed","coverage":"partial","family":"evaluations"},"evaluations[].reproduction_materials":{"state":"unresolved","review_state":"not_assessed","coverage":"partial","family":"evaluations"},"evaluations[].setting_sample":{"state":"unresolved","review_state":"not_assessed","coverage":"partial","family":"evaluations"},"evaluations[].uncertainty_limitations":{"state":"unresolved","review_state":"not_assessed","coverage":"partial","family":"evaluations"},"external_references[]":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"follow_up[]":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"human_oversight":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"id":{"state":"value_present","value":{"kind":"record_fields","fields":{"id":"AIBD-0820"}},"provenance":{"kind":"legacy_record","basis":"Editorial assignment.","record_fields":["id"],"source_refs":[]},"review_state":"record_mapped","coverage":"partial"},"infrastructure_dependencies[]":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"outcomes[].beneficiaries":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"outcomes[].beneficiary_count":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"outcomes[].benefit_type":{"state":"value_present","value":{"kind":"record_fields","fields":{"benefit_type":"Reduced Risk"}},"provenance":{"kind":"legacy_record","basis":"Editorial assignment.","record_fields":["benefit_type"],"source_refs":[]},"review_state":"record_mapped","coverage":"partial"},"outcomes[].claim":{"state":"value_present","value":{"kind":"record_fields","fields":{"account":"The New York City Taxi and Limousine Commission, or TLC, ran a two-year trial of safety technology in vehicles from April 2015 to April 2017. Mobileye supplied its aftermarket system for 20 vehicles in a fleet of mostly yellow taxis. A sensor on the windshield watches the road and alerts the driver by sound, a dashboard display and a vibrating seat. The alerts cover drifting from a lane, following too closely and possible collisions with vehicles or pedestrians. Mobileye added a black box so that the TLC could analyze the alerts. In its final report of March 2018, the TLC found that warnings for tailgating fell the most. They fell from 100 per 100 miles in July 2015 to between 20 and 40 per 100 miles from January 2016. Most other alerts fell early and then stayed flat. Crash rates for the vehicles in the trial did not show a clear decline. The TLC judged the results encouraging but inconclusive, partly because its data described vehicles that several drivers may share. The TLC does not mention machine learning.","benefit_type":"Reduced Risk"}},"provenance":{"kind":"legacy_record","basis":"Editorial assignment.","record_fields":["account","benefit_type"],"source_refs":[]},"review_state":"record_mapped","coverage":"partial"},"outcomes[].distribution":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"outcomes[].duration":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"outcomes[].id":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"outcomes[].stakeholder_group":{"state":"value_present","value":{"kind":"record_fields","fields":{"ratings":[{"group":"personal","depth":2,"reason":"Tailgating alerts in the fitted cabs fell from 100 to between 20 and 40 per 100 miles, a measured change in how closely drivers followed."},{"group":"societal","reason":"Crash rates for the vehicles in the trial did not show a clear decline, so no gain in road safety is shown."}]}},"provenance":{"kind":"legacy_record","basis":"Editorial assignment.","record_fields":["ratings"],"source_refs":[]},"review_state":"record_mapped","coverage":"partial"},"outcomes[].status":{"state":"value_present","value":{"kind":"record_fields","fields":{"benefit_status":"mixed"}},"provenance":{"kind":"legacy_record","basis":"Editorial assignment.","record_fields":["benefit_status"],"source_refs":[]},"review_state":"record_mapped","coverage":"partial"},"outcomes[].tradeoffs":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"outcomes[].unexpected":{"state":"value_present","value":{"kind":"record_fields","fields":{"unexpected":false,"purpose":"Mobileye built its aftermarket system to warn drivers of lane departures, close following and possible collisions."}},"provenance":{"kind":"legacy_record","basis":"Editorial assignment.","record_fields":["unexpected","purpose"],"source_refs":[]},"review_state":"record_mapped","coverage":"partial"},"places[]":{"state":"value_present","value":{"kind":"record_fields","fields":{"location":"New York City, New York, United States","developer_country":"Israel","deployer_country":"United States"}},"provenance":{"kind":"legacy_record","basis":"Editorial assignment.","record_fields":["location","developer_country","deployer_country"],"source_refs":[]},"review_state":"record_mapped","coverage":"partial"},"purpose":{"state":"value_present","value":{"kind":"record_fields","fields":{"purpose":"Mobileye built its aftermarket system to warn drivers of lane departures, close following and possible collisions."}},"provenance":{"kind":"legacy_record","basis":"Editorial assignment.","record_fields":["purpose"],"source_refs":[]},"review_state":"record_mapped","coverage":"partial"},"record_dates":{"state":"value_present","value":{"kind":"record_fields","fields":{"date_observed":"2016-01-01","date_basis":"event","date_precision":"month","revisions":[{"date":"2026-10-31","change":"Added the record from the finding of the TLC.","source":"https://www.nyc.gov/assets/tlc/downloads/pdf/final_vehicle_safety_technology_report.pdf","editor":"AIBD"}]}},"provenance":{"kind":"legacy_record","basis":"Editorial assignment.","record_fields":["date_observed","date_basis","date_precision","revisions"],"source_refs":[]},"review_state":"record_mapped","coverage":"partial"},"replication.attempts[]":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"replication.conditions":{"state":"value_present","value":{"kind":"record_fields","fields":{"replication":{"produced_by":["A forward-facing sensor on the windshield monitored the road continuously.","Drivers got sound and visual alerts and a vibrating seat when they followed too closely or left a lane without signaling.","A black box recorded the alerts for the TLC's analysis."],"must_hold":["Drivers must be exposed to the alerts consistently.","Fleets may need to use the data to coach drivers for behavior to change."],"echoes":[]}}},"provenance":{"kind":"legacy_record","basis":"Editorial assignment.","record_fields":["replication"],"source_refs":[]},"review_state":"record_mapped","coverage":"partial"},"revision_history[]":{"state":"value_present","value":{"kind":"record_fields","fields":{"revisions":[{"date":"2026-10-31","change":"Added the record from the finding of the TLC.","source":"https://www.nyc.gov/assets/tlc/downloads/pdf/final_vehicle_safety_technology_report.pdf","editor":"AIBD"}]}},"provenance":{"kind":"legacy_record","basis":"Editorial assignment.","record_fields":["revisions"],"source_refs":[]},"review_state":"record_mapped","coverage":"partial"},"sector":{"state":"value_present","value":{"kind":"record_fields","fields":{"domain":"Road safety / for-hire vehicles"}},"provenance":{"kind":"legacy_record","basis":"Editorial assignment.","record_fields":["domain"],"source_refs":[]},"review_state":"record_mapped","coverage":"partial"},"sources[].access_version":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"sources[].citation_locator":{"state":"value_present","value":{"kind":"record_fields","fields":{"evidence":[{"kind":"regulatory document","citation":"New York City Taxi and Limousine Commission. Vehicle Safety Technology Final Report. March 2018.","title":"Vehicle Safety Technology Final Report","url":"https://www.nyc.gov/assets/tlc/downloads/pdf/final_vehicle_safety_technology_report.pdf","date":"2018-03-01","written_by":"independent","quote":"Headway Warning rates—alerts for tailgating—decreased the most over the course of the Pilot, from 100 alerts for each 100 miles traveled (or one alert per mile) in July 2015 to between 20 and 40 alerts per 100 miles starting in January 2016."},{"kind":"regulatory document","citation":"New York City Taxi and Limousine Commission. Vehicle Safety Technology Final Report. March 2018.","title":"Vehicle Safety Technology Final Report","url":"https://www.nyc.gov/assets/tlc/downloads/pdf/final_vehicle_safety_technology_report.pdf","date":"2018-03-01","written_by":"independent","quote":"The crash rates per participating vehicle did not show a clear decline over the course of the program.","supports_benefit":false}]}},"provenance":{"kind":"legacy_record","basis":"Editorial assignment.","record_fields":["evidence"],"source_refs":[]},"review_state":"record_mapped","coverage":"partial"},"sources[].id":{"state":"value_present","value":{"kind":"identifiers","identifiers":["AIBD-0820-source-0001","AIBD-0820-source-0002"],"role":"Existing evidence items, in their original order"},"provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"review_state":"record_mapped","coverage":"complete"},"sources[].language":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"sources[].relationship":{"state":"value_present","value":{"kind":"record_fields","fields":{"evidence":[{"kind":"regulatory document","citation":"New York City Taxi and Limousine Commission. Vehicle Safety Technology Final Report. March 2018.","title":"Vehicle Safety Technology Final Report","url":"https://www.nyc.gov/assets/tlc/downloads/pdf/final_vehicle_safety_technology_report.pdf","date":"2018-03-01","written_by":"independent","quote":"Headway Warning rates—alerts for tailgating—decreased the most over the course of the Pilot, from 100 alerts for each 100 miles traveled (or one alert per mile) in July 2015 to between 20 and 40 alerts per 100 miles starting in January 2016."},{"kind":"regulatory document","citation":"New York City Taxi and Limousine Commission. Vehicle Safety Technology Final Report. March 2018.","title":"Vehicle Safety Technology Final Report","url":"https://www.nyc.gov/assets/tlc/downloads/pdf/final_vehicle_safety_technology_report.pdf","date":"2018-03-01","written_by":"independent","quote":"The crash rates per participating vehicle did not show a clear decline over the course of the program.","supports_benefit":false}]}},"provenance":{"kind":"legacy_record","basis":"Editorial assignment.","record_fields":["evidence"],"source_refs":[]},"review_state":"record_mapped","coverage":"partial"},"sources[].upstream_sources":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"strategic_assessments[]":{"state":"unresolved","review_state":"not_assessed","coverage":"partial","family":"strategic assessments"},"summary":{"state":"value_present","value":{"kind":"record_fields","fields":{"summary":"In a TLC trial, tailgating alerts from Mobileye's system fell from 100 per 100 miles in July 2015 to between 20 and 40 from January 2016. Crash rates in the trial did not clearly fall.","account":"The New York City Taxi and Limousine Commission, or TLC, ran a two-year trial of safety technology in vehicles from April 2015 to April 2017. Mobileye supplied its aftermarket system for 20 vehicles in a fleet of mostly yellow taxis. A sensor on the windshield watches the road and alerts the driver by sound, a dashboard display and a vibrating seat. The alerts cover drifting from a lane, following too closely and possible collisions with vehicles or pedestrians. Mobileye added a black box so that the TLC could analyze the alerts. In its final report of March 2018, the TLC found that warnings for tailgating fell the most. They fell from 100 per 100 miles in July 2015 to between 20 and 40 per 100 miles from January 2016. Most other alerts fell early and then stayed flat. Crash rates for the vehicles in the trial did not show a clear decline. The TLC judged the results encouraging but inconclusive, partly because its data described vehicles that several drivers may share. The TLC does not mention machine learning."}},"provenance":{"kind":"legacy_record","basis":"Editorial assignment.","record_fields":["summary","account"],"source_refs":[]},"review_state":"record_mapped","coverage":"partial"},"systems[].autonomy_permissions":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"systems[].component_role":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"systems[].deployment_configuration":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"systems[].inputs_outputs":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"systems[].model_name":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"systems[].model_version":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"systems[].product_name":{"state":"value_present","value":{"kind":"record_fields","fields":{"system":"Mobileye aftermarket warning system, with a black box recorder added for the trial"}},"provenance":{"kind":"legacy_record","basis":"Editorial assignment.","record_fields":["system"],"source_refs":[]},"review_state":"record_mapped","coverage":"partial"},"systems[].provider":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"taxonomy_crosswalks[]":{"state":"unresolved","provenance":{"kind":"curatorial","basis":"Editorial assignment.","record_fields":[],"source_refs":[]},"reason":"This is an explicit unresolved assignment: the sources on record do not settle this question.","review_state":"not_assessed","coverage":"partial"},"title":{"state":"value_present","value":{"kind":"record_fields","fields":{"title":"New York City's Taxi and Limousine Commission finds that tailgating alerts from Mobileye's system fell in fitted cabs during its safety trial","headline":"Tailgating alerts from *Mobileye* fall in New York taxis"}},"provenance":{"kind":"legacy_record","basis":"Editorial assignment.","record_fields":["title","headline"],"source_refs":[]},"review_state":"record_mapped","coverage":"partial"},"version":{"state":"value_present","value":{"kind":"identifiers","identifiers":["f75f81cb733c6be06a177b412c653b082968cea6a6276768359e34259d705db2"],"role":"SHA-256 of the complete public record and its assessments"},"provenance":{"kind":"curatorial","basis":"SHA-256 of the public record, its assessments, and its displayed answers and notes, excluding its own identifier and the derived coverage summary.","record_fields":[],"source_refs":[]},"review_state":"record_mapped","coverage":"complete"},"workflow":{"state":"value_present","value":{"kind":"record_fields","fields":{"account":"The New York City Taxi and Limousine Commission, or TLC, ran a two-year trial of safety technology in vehicles from April 2015 to April 2017. Mobileye supplied its aftermarket system for 20 vehicles in a fleet of mostly yellow taxis. A sensor on the windshield watches the road and alerts the driver by sound, a dashboard display and a vibrating seat. The alerts cover drifting from a lane, following too closely and possible collisions with vehicles or pedestrians. Mobileye added a black box so that the TLC could analyze the alerts. In its final report of March 2018, the TLC found that warnings for tailgating fell the most. They fell from 100 per 100 miles in July 2015 to between 20 and 40 per 100 miles from January 2016. Most other alerts fell early and then stayed flat. Crash rates for the vehicles in the trial did not show a clear decline. The TLC judged the results encouraging but inconclusive, partly because its data described vehicles that several drivers may share. The TLC does not mention machine learning.","replication":{"produced_by":["A forward-facing sensor on the windshield monitored the road continuously.","Drivers got sound and visual alerts and a vibrating seat when they followed too closely or left a lane without signaling.","A black box recorded the alerts for the TLC's analysis."],"must_hold":["Drivers must be exposed to the alerts consistently.","Fleets may need to use the data to coach drivers for behavior to change."],"echoes":[]}}},"provenance":{"kind":"legacy_record","basis":"Editorial assignment.","record_fields":["account","replication"],"source_refs":[]},"review_state":"record_mapped","coverage":"partial"}},"summary":{"total":91,"addressed":91,"known":28,"reviewed":2,"reviewed_complete":2,"reviewed_partial":0,"record_mapped":26,"review_not_assessed":63,"not_assessed":0,"complete":false,"by_state":{"value_present":28,"not_reported":0,"unresolved":63,"not_assessed":0,"not_applicable":0,"withheld":0,"source_unavailable":0}}},"presentation_version":"d6b794c2eada0887242e8ba85954483071d7d4780a5a18b94d619362b5e0f422"}
