A new methodology of accident analysis using safety indicators related to functional road classes

A new methodology of accident analysis using safety indicators related to functional road classes

Giulio Maternini
Luisa Zavanella

In Italy the recommended methodology of road classification (not in force yet) has been elaborated as a procedure in which it is required to evaluate

several aspects: the role of the road in the territory and in the road network, the environmental context, the typology of traffic, air and noise

pollution and road safety. To integrate the methodology of road classification with accident analysis, some safety indicators have been defined. By the use of them, a new methodology of safety analysis has been elaborated by the University of Brescia. For each road segment the accident

rate is determined; it is calculated as a function of the total number of road accidents, the extension in km of the considered road segment and the

average daily traffic along that segment. This indicator puts in relation the number of road accidents that have happened in the last 5 years with traffic. In relation to the road functional classification, it is possible to calculate the average value of the accident rate corresponding to all the

road segments classified in the same road class. From this calculation a control value for each road functional class is obtained. This methodology

can be useful to: evaluate the safety level of a road segment in relation to the control value of the corresponding road functional class; determine the

road segments where infrastructural interventions are needed, giving priority to those segments where the values of the accident rate are greater; compare the obtained accident rates between different regions and countries in relation to the corresponding functional road classes; and define, at a regional level, an accident "goal" rate for each road functional class.

LATEST NEWS


2018-06-13

International Conference on Electric Road Systems starts today

Electric Road Systems (ERS) is a relatively new concept with many initiatives on the way. To learn from each other and stimulate new collaborations the Swedish Research and Innovation Platform for Electric Roads arranged the first international conference...


2018-05-18

Same survey of road users’ attitudes in 50 countries

At the Road Safety on Five Continents Conference, RS5C, one entire session presented a large survey of road users' attitudes in 38 countries. Results show large differences between countries in many areas, both regarding behavior and attitudes. A new survey...


2018-05-17

Good results with alcohol interlock program according to Swedish study

An alcohol interlock program makes it possible for drink driving offenders to continue their everyday lives. In a Swedish study most of the participants were satisfied with the program and experienced improved health. They also reported drinking alcohol more...


2018-05-16

Traffic safety in the spotlight

Today the Conference Road Safety on Five Continents (RS5C) opened in Jeju Island, South Korea. More than 220 participators have come from all over the world to present findings and learn about traffic safety. Dr. Young Tae Kim, Secretary-General of the...


2018-04-17

VTI will develop simulators for ambulance staff

VTI has initiated a pilot study for paramedics with the Centre for Teaching & Research in Disaster Medicine and Traumatology and Linköping University. The aim is to give ambulance staff the opportunity to practice critical medical tasks in a moving vehicle in...


2018-04-12

Unique electrified road opens in Sweden

The world’s first electrified road recharging the batteries of cars and trucks while driving opened in Sweden. The Swedish Minister for Infrastructure, Tomas Eneroth, was at the formal inauguration of the electrified road on April 11, 2018. VTI is one of 22...