NTUA Road Safety Update - October 2017

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At the end of another year full of surprises, non-stopping efforts, few disappointments and some great achievements like the new breakthrough Road Safety Decision Support Systems: SafetyCube and SafeFITS, we persist with creative hope and scientific rigor for even more safe road traffic everywhere and for all.

We are sending you all our very best wishes for very joyful Christmas holidays and a very happy and fruitful new year 2018, plenty of personal and professional achievements. pdf5

Latest Developments

The World Health Organization (WHO) in collaboration with other United Nations Agencies and Regional Commissions is developing the global performance targets on key risk factors and service delivery mechanisms to reduce road traffic fatalities and injuries, aligned to the UN Sustainable Development Goals for 2030.  The second revision of the related WHO Discussion Paper was published in August 2017 pdf5 and in November 2017 a comprehensive set of 12 Global Road Safety Performance Targets was put forward aiming to guide global road safety policy and related activities up to 2030. pdf5  The Member States have also invited WHO and other UN Agencies to continue the work by developing a set of related indicators. 


World Health Organisation (WHO) Regional Office for Europe released Facts Sheets with key facts and figures, ongoing commitments, guidance on action, and indicators to monitor progress of the Sustainable Development Goals health targets, regarding Road Safety  pdf5:

  • SDG target 3.6: by 2020, halve the number of global deaths and injuries from road traffic accidents and
  • SDG target 11.2: by 2030, provide access to safe, affordable, accessible and sustainable transport systems for all, improving road safety, notably by expanding public transport, with special attention to the needs of those in vulnerable situations, women, children, people with disabilities and older people.

European Commission’s Directorate General for Mobility and Transport (DG-MOVE) released the sixth and final Research Theme Analysis Report, covering the Transport Safety research theme, produced under the Transport Research & Innovation Portal (TRIP) continuation project, with the active contribution of NTUA. This Research Theme Analysis Report provides a robust and thorough assessment of the results from several European road safety projects and highlights the perspectives from scientific and policy points of view. pdf5

Statistics Corner

The International Transport Forum (ITF) released the updated version of the Transport Database including the Road Injury Accidents Database with the latest data (2016). The database includes data on road injury accidents and road casualties in 53 countries, covering years from 2000 to 2016. The interactive design of the database gives the opportunity to export data, draw charts, and make dynamic queries. 

The European Union Road Federation (ERF) has released the Road Statistics Yearbook 2017” with the active contribution of NTUA. As for many years, this publication provides the road community with important updated information on road transport sector and road infrastructure in Europe and beyond as an essential key element of the global mobility with one section focusing on road safety.  pdf5

Our Publications

The International Conference on Traffic Safety “The impact of Education and Training on Traffic Behaviour” was organised by the Emirates Traffic Safety Society (ETSS), the Arab Road Safety Organization (AROSO), La Prévention Routiére Internationale (PRI) and the Traffic Injury Research Foundation (TIRF) and took place with great success in Abu Dhabi, United Arab Emirates on 1-2 November 2017. The conference’s main objectives were, among others, to ensure the importance of the individuals behavior as road users in society and to highlight the role of educational organizations in the different stages to implant the traffic education into students. pdf5 NTUA presentation concerned:

The 2017 Annual Polis Conference on “Transport innovation for sustainable cities and regions” took place with great success on 6 and 7 December 2017 in Brussels, organised by POLIS, the European Cities Network. The conference provided an opportunity for cities, metropolitan areas and regions to showcase their transport achievements to a large audience, and for the wider transport community to engage with representatives of local and regional authorities on innovative transport solutions.

Road Safety was one of the key areas of the Conference, as was also the subject of the special joint POLISITF workshop on Safer City Streets.   NTUA presentation concerned:


The Road Safety Authority of Ireland organised a workshop on  Measuring Risk Exposure on Irish Roads, which was held with great success in Dublin on 14 December 2017. The workshop’s main objective was to develop more effective means to measure risk exposure for road safety especially in the area of vehicle/kilometres travelled, and it was carried out within the framework of the Irish Government Road Safety Strategy 2013-2020.  NTUA actively contributed with a presentation:

A Diploma Thesis titled “Investigation of the effect of tourism on road accidents” was presented by Vasileios Bellos in November 2017. The objective of this Diploma Thesis is to investigate the effect of tourism on road accidents. For this purpose, data on road accidents in Greece for the five-year period of 2011-2015 were collected. Negative binomial regression models were developed and it was observed that both the tourist season and tourism as travelling purpose led to an increase in road accidents, with the highest increase being observed in tourist regions. The increase of the relative rate ratio of road accident involvement for foreign tourists in tourist regions may indicate the increased risk of foreign tourists compared to Greek drivers. pdf5 ppt5

A paper titled “Accident Prediction Modelling: a literature review” authored by Tassos Dragomanovits, George Yannis, Alexandra LaiouFrancesca La Torre, Lorenzo Domenichini, Thomas Richter, Stephan Ruhl, Daniel Graham, and Niovi Karathodorou, is now published in the themed issue on transport safety and assessment of the Proceedings of ICE – Transport. This paper presents a comprehensive literature review on road traffic Accident Prediction Models (APMs) and Crash Modification Factors (CMFs). The focus is on motorways and higher ranked rural roads and the study was performed within the PRACT research project carried out for the European Road Authorities Organistion (CEDR). The review of CMFs focused on their background and development, the various methods for developing them and the key issues in their application. The review resulted in the development of an online APM and CMF Repository, with the aim of assisting the practical application of gathered experience on accident prediction. doi

Point of view

Road accident analysis is focussing too much on accident characteristics and too little on accident causes. Very often, we look where the data are and not where the problems are.

Consequently, there is imperative need for data not only on casualties but also on:

–    exposure to risk (traffic kilometres of vehicles and pedestrians) to highlight the real dimension of the problem, and

–    intermediate indicators on the performance of the transport system components: driver behaviour, infrastructure and vehicle performance (including for example percentage of speeding, seat belt, helmet and cell phone use, but also existence of sidewalks, pedestrian crossings, etc.) in order to shed light to the accident causes and proceed better from correlations to causations.

The data needed to support road safety improvement can be either microscopic or macroscopic depending the level of road safety solutions examined (interventions, measures, programmes, policies). Microscopic data are mostly needed for more operational safety measures and interventions and concern the safety behaviour and performance of drivers, passengers and pedestrians, the safety performance of junctions, road segments and specific local road networks and the safety performance of the different types of vehicles. Macroscopic data are mostly needed to support road safety policies and programmes and concern safety performance of the whole population, infrastructure and vehicles of a city, region or country.

Detailed crash data are meaningful only if they are combined with exposure data (crashes per km driven, per traffic characteristics, per time, etc.) and crash causalities are revealed when crashes are correlated with safety performance indicators (behaviour, infrastructure, traffic, vehicles). Furthermore, even when accident causes are identified, the selection of corresponding countermeasures requires appropriate data and knowledge on measures implementation and effectiveness. Analysis of high resolution data coming from both public and private entities has a great potential to reveal hidden and critical crash properties and causes, especially when analysed over time and thus leading to identifying the appropriate solutions.

Contribution at the Together for Safer Roads Roundtable on New Trends and Opportunities in Road Safety, Washington, June 2017

Upcoming Events

The International Transport Forum‘s 2018 Summit on “Transport Safety and Security” will be held on 23 – 25 May 2018 in Leipzig, Germany. Since 2008, the Summit brings together Ministers from around the world to share policy perspectives with CEOs, Heads of International Organisations, thought leaders from civil society and academia, and media. The 2018 edition of this vibrant conference will address strategic and topical transport safety issues, including: Cycling, Pedestrians, Urban Space and Health, Planning and Design, Road Infrastructure Safety Management, Measures Assessment, Zero Road Deaths and Serious Injuries, Safe Travel for Women. link

The SafetyCube European Conference on Better Decision Making for Road Safety will take place on 22-23 March 2018, in Vienna. The results of the SafetyCube European Horizons 2020 research project will be presented, with special focus on the European Road Safety Decision Support System (DSS). This DSS is expected to enable policy-makers and stakeholders to select and implement the most appropriate strategies, measures and cost-effective approaches to reduce casualties of all road user types and all severities in Europe and worldwide.  video Registration is free on a first-come-first-served basis: 

The 3rd Meeting on Intelligent Transportation Systems and related developments in Greece, organised by ITS Hellas will be held in Athens, on 23-24 January 2018. Aim of the conference is to discuss the latest developments and the wide application of Intelligent Transport Systems (ITS) in Greece, as a mean of economic development and prosperity and to ensure the effectiveness, efficiency and transport safety for the benefit of users and the environment.  pdf5

Road Safety Systems

This Road Safety Update aims to support frequently the Greek and the International Road Safety Community with current key road safety knowledge and data, which is gathered, analysed and organised within the research activities of the Department of Transportation Planning and Engineering of the National Technical University of Athens.

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