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Car-to-car accidents at intersections in Europe and identification of Use Cases for the test and assessment of respective active vehicle safety systems

  • The Intersection 2020 project was initiated to develop a test procedure for Automatic Emergency Braking systems in intersection car-to-car scenarios to be transferred to Euro NCAP. The project aims to address current road traffic accidents on European roads and therefore sets a priority of the identification of the most important car-to-car accidents and Use Cases. Taking into account technological and practical limitations, Test Scenarios are derived from the Use Cases in a later stage of the project. This paper presents parts of a larger study and provides an overview of common car-to-vehicle(at least four wheels) collision types at junctions in Europe and specifies seven Accident Scenarios from which the three scenarios “Straight Crossing Paths (SCP)”, “Left Turn Across Path – Opposite Direction Conflict (LTAP/OD)” and “Left Turn Across Path – Lateral Direction (LTAP/LD)” are most important due to their high relevance regarding severe car-to-car accidents. Technical details about crash parameters such as collision and initial speeds are delivered. The analysis work performed is input for the definition and selection of the Use Cases as well as for the project’s benefit estimation. The numbers of accidents and fatalities in accidents at intersections involving a passenger car were shown per intersection type. In both statistics, it was found that accidents at crossroads and T- or staggered junctions are of highest relevance, followed by roundabouts. Focusing on accidents at intersections between one passenger car and another road user shows that around one-third of all accidents and related fatalities could have been assigned to car-to-PTW accidents and one-fifth of all accidents and fatalities to car-to-car accidents. Regarding car-to-car accidents with at least serious injury outcome 38% out of 34,489 car-to-car accidents happened at intersections. These figures correspond to 18% of the fatalities (4,236 fatalities in total). Considering all intersection types, around half of all related accidents happened in urban environments whereas this number decreased to one-third of all fatalities. Further, the proportion of road fatalities per country occurring at intersections varies widely across the EU. Also, there are proportionately more fatalities in daylight or twilight conditions at junctions. Use Cases are supposed to be derived from Accident Scenarios and by adding detailed information for example about the road layout, right-of-way and the vehicle trajectories prior to the collision. Instead of applying cluster algorithms to the accident data, a pragmatic approach was finally preferred to create them. Note: Use Cases serve as an intermediate step between the Accident Scenarios and the Test Scenarios which describe the actual testing conditions. Finally, 74 Use Cases were identified. This large number indicates the complexity of intersection crashes due to the combination of several parameters.

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Metadaten
Author:Marcus WischORCiD, Adrian Hellmann, Markus Lerner, Thomas Hierlinger, Volker Labenski, Michael Wagner, Harald Feifel, Oana Robescu, Pauline Renoux, Xavier Groult
Parent Title (English):26th International Technical Conference on the Enhanced Safety of Vehicles (ESV), Eindhoven), 2019
Publisher:National Highway Traffic Safety Administration
Place of publication:Washington, D.C.
Document Type:Conference Proceeding
Language:English
Date of Publication (online):2019/10/24
Date of first publication:2019/10/24
Publishing institution:Bundesanstalt für Straßenwesen (BASt)
Contributing corporation:Audi AG
Release Date:2019/10/24
Tag:Abbiegen; Aktives Sicherheitssystem; Automatische Notbremsung; Entwicklung; Europa; Knotenpunkt; Kreuzung; Schweregrad (Unfall, Verletzung); Statistische Analyse; Tödlicher Unfall; Unfall; Versetzte Kreuzung
Accident; Active safety system; Autonomous emergency braking; Cross roads; Development; Europe; Fatality; Junction; Severity (accid, injury); Staggered junction; Statistical analysis; Test method; Turning
Number of pages:27
Comment:
Außerdem beteiligt: Continental Teves AG; Denso; Renault; Valeo.
Volltext: http://indexsmart.mirasmart.com/26esv/PDFfiles/26ESV-000176.pdf
Institutes:Abteilung Fahrzeugtechnik
Dewey Decimal Classification:6 Technik, Medizin, angewandte Wissenschaften / 62 Ingenieurwissenschaften / 620 Ingenieurwissenschaften und zugeordnete Tätigkeiten
Licence (German):License LogoBASt / Link zum Urhebergesetz

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