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Raised Speed Limits, Speed Spillover, Case-Fatality Rates, and Road Deaths in Israel: A 5-Year Follow-Up

Author

Listed:
  • Richter, E.D.
  • Barach, P.
  • Friedman, L.
  • Krikler, S.
  • Israeli, A.

Abstract

Objectives. We assessed the 5-year, nationwide impact on road deaths of the raise in the speed limit (November 1, 1993) on 3 major interurban highways in Israel from 90 to 100 kph. Methods. We compared before-after trends in deaths as well as case fatality-an outcome independent of exposure (defined as vehicle-kilometers traveled). Results. After the raise, speeds rose by 4.5%-9.1%. Over 5 years, there was a sustained increase in deaths (15%) and case fatality rates (38%) on all interurban roads. Corresponding increases in deaths (13%) and case fatality (24%) on urban roads indicated "speed spillover." Conclusions. Immediate increases in case fatality predicted and tracked the sustained increase in deaths from increased speeds of impact. Newtonian fourth power models predicted the effects of "small" increases in speed on large rises in case fatality rates. Countermeasures and congestion reduced the impact on deaths and case-fatality rates by more than half.

Suggested Citation

  • Richter, E.D. & Barach, P. & Friedman, L. & Krikler, S. & Israeli, A., 2004. "Raised Speed Limits, Speed Spillover, Case-Fatality Rates, and Road Deaths in Israel: A 5-Year Follow-Up," American Journal of Public Health, American Public Health Association, vol. 94(4), pages 568-574.
    • Handle: RePEc:aph:ajpbhl:2004:94:4:568-574_4
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    Cited by:

    1. Daniel Albalate & Germà Bel, 2011. "Privatization and PPPS in transportation infrastructure: Network effects of increasing user fees," IREA Working Papers 201110, University of Barcelona, Research Institute of Applied Economics, revised Jun 2011.
    2. Mercedes Castro-Nuno & José I. Castillo-Manzano & Diego J. Pedregal-Tercero, 2013. "The Speed Limits Debate: Is Effective A Temporary Change? The Case Of Spain," ERSA conference papers ersa13p160, European Regional Science Association.
    3. 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.
    4. Albalate, Daniel & Bel, Germà, 2012. "Speed limit laws in America: The role of geography, mobility and ideology," Transportation Research Part A: Policy and Practice, Elsevier, vol. 46(2), pages 337-347.
    5. Jeffrey R Brubacher & Herbert Chan & Shannon Erdelyi & Gordon Lovegrove & Farhad Faghihi, 2018. "Road Safety Impact of Increased Rural Highway Speed Limits in British Columbia, Canada," Sustainability, MDPI, vol. 10(10), pages 1-19, October.

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