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In 2012 the fifth ESAR conference (Expert Symposium on Accident Research) was held in Hannover. ESAR is an international convention of experts, who analyze traffic accidents all over the world and discuss their results in this context, conducted at the Medizinische Hochschule Hannover every 2 years. It connected representatives of public authorities, engineers in automotive development and scientists and offers a forum with particular emphasis on In-Depth-Analyses of accident statistics and accident analyses. Special focus is placed on research on the basis of so-called "In-Depth-Accident-Investigations" [data collections at the sites of the accidents], which are characterized by extensive documentations of the sites of the accidents, of the vehicles as well as of the injuries, encompassing several scientific fields. ESAR aims at a multi-disciplinary compilation of scientific results and at discussing them on an international, scientific level. It is thus a scientific colloquium and a platform for exchanging information for all accident researchers. Experiences in accident prevention as well as in the complex field of accident reconstruction are stated and new research fields are added. Existing results of long-term research work in Europe, the US, Australia and Japan include different infrastructural correlations and give findings on population, vehicle population and driver characteristics, which offer a basis for recommendations to be derived and measures for increasing road safety.
The objective was to develop and validate a crash trolley (reference vehicle) equipped with a compartment and a full restraint system for driver and front seat passenger which can be used in full scale crash testing. Furthermore, the crash trolley should have a suspension to show rotation and nick effects similar to real vehicles. Within the development phase the reference vehicle was build based on a European family car. Special attention was needed to provide appropriate strength to the trolley and its suspension. The reference vehicle is equipped with a restraint system consisting of airbags, pedals, seats, dashboard, and windscreen. On the front of the vehicle different crash barriers can be installed to provide miscellaneous deceleration pulses. For the validation phase a series of low and high speed crash tests with HIII dummies were conducted and compared with full scale tests. For the comparison deceleration pulse, dummy numbers and vehicle movement were analyzed. Validation tests with velocities up to 60 km/h showed promising results. The compartment and the suspension systems stayed stable. Rotation effects were comparable with full scale car crash tests. The airbags and seat belt system worked reasonable. The acceleration pulse compared to an Euro NCAP test had a similar characteristic but was in general slightly lower. After the successful validation the reference vehicle is already in use in different studies in the field of vehicle safety research at BASt.
Topics of the status report are: Road accidents in Germany " Socio-economic costs due to road traffic accidents in Germany " Vehicle population and road performance " Electromobility " Alternative power train technologies: market penetration and consequences. The following research subjects are presented: Safety of electric vehicles " Driving dynamics of electric propelled vehicles " New requirements for the periodic technical inspection of electric and hybrid vehicles " Forward looking safety systems " Periodic roadworthiness tests " Cooperative systems: integration of existing systems " Safety related traffic information " Urban space: User oriented assistance systems and network management " Automated driving " Study on camera-monitor-systems " Freight transport " BioRID TEG, dummy harmonization " Frontal impact and compatibility " Child safety " FlexPLI " GIDAS: a blueprint for worldwide in-depth road accident investigations " Druid: Driving under the influence of drugs, alcohol and medicines " Smoke and toxicity in bus fires.
The use of alcohol interlocks for DUI offenders is widespread around the world. in North America and Australia alcohol interlocks are core elements in the countermeasure system against DUI recidivism. Based on a European experience exchange hosted by the Federal Highway Research Institute (BASt) in October 2013, key features of European alcohol interlock programmes are illustrated. In addition, key findings from international alcohol interlock research are presented. They point towards a need for an accompanying rehabilitative measure in order to achieve long-lasting behavioural changes in the offender. Data from the interlock recorder can be used as predictor for recidivism risk, but also as objective data to aid counselling. Finally, an example of an accompanying rehabilitative measure, which was specifically developed for interlock programmes within a BASt project, is given.