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Temporary speed limit changes: An econometric estimation of the effects of the Spanish Energy Efficiency and Saving Plan

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  • Castillo-Manzano, José I.
  • Castro-Nuño, Mercedes
  • Pedregal-Tercero, Diego J.

Abstract

Nowadays, speeding is one of the most relevant problems for traffic safety and most resistant to change in motorized countries. The key instruments in Speed Management Policy are speed limits. This road safety strategy is often established or changed, in order to save fuel during periods of rising prices. However, the relationship between speed limits and traffic accidents, is a topic widely discussed by researchers, and there seems to be some consensus about “speed kills.” By applying advanced time series models of unobserved components, our study investigates the impact of a temporary reduction of maximum speed limits, implemented in Spain in 2011, in terms of fuel consumption and fatalities. Our analysis shows that this measure caused a positive effect, although with a limited statistical significance, on fuel consumption and a discrete reduction in road mortality.

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  • Castillo-Manzano, José I. & Castro-Nuño, Mercedes & Pedregal-Tercero, Diego J., 2014. "Temporary speed limit changes: An econometric estimation of the effects of the Spanish Energy Efficiency and Saving Plan," Economic Modelling, Elsevier, vol. 44(S1), pages 68-76.
  • Handle: RePEc:eee:ecmode:v:44:y:2014:i:s1:p:s68-s76
    DOI: 10.1016/j.econmod.2014.01.032
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    References listed on IDEAS

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    Cited by:

    1. Castillo-Manzano, José I. & Castro-Nuño, Mercedes & Fageda, Xavier, 2015. "Are traffic violators criminals? Searching for answers in the experiences of European countries," Transport Policy, Elsevier, vol. 38(C), pages 86-94.
    2. Alcaraz Carrillo de Albornoz, Vicente & Molina Millán, Juan & Lara Galera, Antonio & Muñoz Medina, Belén, 2022. "Road speed limit matters – Are politicians doing the right thing?," Socio-Economic Planning Sciences, Elsevier, vol. 79(C).
    3. Castillo-Manzano, José I. & Pedregal, Diego J. & Pozo-Barajas, Rafael, 2016. "An econometric evaluation of the management of large-scale transport infrastructure in Spain during the great recession: Lessons for infrastructure bubbles," Economic Modelling, Elsevier, vol. 53(C), pages 302-313.
    4. Tscharaktschiew, Stefan, 2020. "Why are highway speed limits really justified? An equilibrium speed choice analysis," Transportation Research Part B: Methodological, Elsevier, vol. 138(C), pages 317-351.

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