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The department asked the Virginia Transportation Research Council to evaluate the project, and its report appeared in February 2022. Event rates fell after alerts went live at five of six agencies analyzed, by 8.3% to 67.4%. They rose 9.4% at Hampton Roads. Of 151 operators who answered a survey, 75% often or sometimes noticed false alarms and 76% found the system distracting. Still, 70% found it helpful. The evaluators judged the benefits mixed. 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Of surveyed operators, 75% often or sometimes noticed false alarms.","account":"In 2017 the Virginia Department of Rail and Public Transportation began a demonstration of Mobileye Shield+ on transit buses. The system uses external cameras and kinematic sensors to warn operators of pedestrians and cyclists, close following, lane departures and speeding. It was installed on 51 buses at nine agencies, including Hampton Roads Transit, WMATA and DASH. Each bus first logged events in stealth mode without alerts and then in live mode with alerts. The department asked the Virginia Transportation Research Council to evaluate the project, and its report appeared in February 2022. Event rates fell after alerts went live at five of six agencies analyzed, by 8.3% to 67.4%. They rose 9.4% at Hampton Roads. Of 151 operators who answered a survey, 75% often or sometimes noticed false alarms and 76% found the system distracting. Still, 70% found it helpful. The evaluators judged the benefits mixed. The report gives no crash figures for the equipped buses and does not describe 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 Shield+ Advanced Driver Assistance System"}},"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":"The Virginia Transportation Research Council finds mixed results for Mobileye Shield+ on buses, with fewer warning events but frequent false alarms","headline":"Fewer warning events on Virginia buses with *Shield+*, amid false alarms"}},"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":["103643711183848f51ae54519e47625079776d1dedf119c54d2bbfb3f106a6a3"],"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":"In 2017 the Virginia Department of Rail and Public Transportation began a demonstration of Mobileye Shield+ on transit buses. The system uses external cameras and kinematic sensors to warn operators of pedestrians and cyclists, close following, lane departures and speeding. It was installed on 51 buses at nine agencies, including Hampton Roads Transit, WMATA and DASH. Each bus first logged events in stealth mode without alerts and then in live mode with alerts. The department asked the Virginia Transportation Research Council to evaluate the project, and its report appeared in February 2022. Event rates fell after alerts went live at five of six agencies analyzed, by 8.3% to 67.4%. They rose 9.4% at Hampton Roads. Of 151 operators who answered a survey, 75% often or sometimes noticed false alarms and 76% found the system distracting. Still, 70% found it helpful. The evaluators judged the benefits mixed. The report gives no crash figures for the equipped buses and does not describe machine learning.","replication":{"produced_by":["Four cameras on each bus fed alerts to three displays near the operator.","Each bus ran in stealth mode, logging events without alerts, before its alerts went live.","Transit agencies and the vendor trained the operators."],"must_hold":["The buses run in daylight, since most alerts were disabled at night or in deep shadow.","Operators accept the alerts despite false alarms in areas with many pedestrians."],"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":29,"reviewed":2,"reviewed_complete":2,"reviewed_partial":0,"record_mapped":27,"review_not_assessed":62,"not_assessed":0,"complete":false,"by_state":{"value_present":29,"not_reported":0,"unresolved":62,"not_assessed":0,"not_applicable":0,"withheld":0,"source_unavailable":0}}},"presentation_version":"4b48b079435ad09a0ee356fd40704f4ad2e470c3f183a4c2fd51ca0692c979c7"}