Evaluating the efficiency of local municipalities in providing traffic safety using the Data Envelopment Analysis

Accident; Analysis and Prevention
Doron AlperDavid Shinar

Abstract

The purpose of this study was to estimate the relative efficiency of 197 local municipalities in traffic safety in Israel during 2004-2009, using Data Envelopment Analysis (DEA). DEA efficiency is based on multiple inputs and multiple outputs, when their weights are unknown. We used here inputs reflecting the resources allocated to the local municipalities (such as funding), outputs include measures that reflect reductions in accidents (such as accidents per population), and intermediate variables known as safety performance indicators (SPI): measures that are theoretically linked to crash and injury reductions (such as use of safety belts). Some of the outputs are undesirable. Using DEA, the local municipalities were rank-scaled from the most efficient to the least efficient and required improvements for inefficient municipalities were calculated. We found that most of the improvements were required in two intermediate variables related to citations for traffic violations. Several DEA versions were used including a two-stage model where in the first stage the intermediate variables are the outputs, and in the second stage they are the inputs. Further analyses utilizing multiple regressions were performed to verify the effect o...Continue Reading

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Citations

Oct 30, 2016·Accident; Analysis and Prevention·Miroslav RosićMilan Božović
Aug 20, 2020·International Journal of Injury Control and Safety Promotion·Justin S ChangSihwan Jo
May 31, 2018·International Journal of Injury Control and Safety Promotion·Ivan RadojkovićMiroljub Grozdanović
Mar 15, 2021·Accident; Analysis and Prevention·Dimitrios I TselentisGeorge Yannis
Jul 28, 2021·Accident; Analysis and Prevention·Derek D Wang

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