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Crash Risk Reduction at Signalized Intersections Using Longitudinal Data

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  • Burkey, Mark L.
  • Obeng, Kofi

Abstract

This study extends the previous work of Burkey and Obeng (2004) that examined the impact of red light cameras on the type and severity of crashes at signalized intersections in Greensboro, NC. The extension takes the following form. First, we extend the data to cover 57 months, and to include demographics, technology variables, the condition of a driver at the time of the crash, vehicle characteristics, land use and visual obstruction. Second, instead of examining the impact of red light cameras, we focus on identifying the determinants of crash severity, two-vehicle crashes, and property damage costs. The major findings are that the safety impacts of seatbelt use outweigh the impacts of airbags deploying because the latter tends to increase evident injuries and property damage costs, while the former reduces these injuries. We also find that head-on collisions and under rides increase evident injuries. For two-vehicle crashes, we find that the risk of severe injuries increases in pickup-pickup crashes and SUV-pickup crashes, while the risk of possible injuries increases in car-truck crashes. For property damage costs, we found the condition of the driver at the time of the crash (i.e., illness, impaired, medical condition, driver falling asleep, driver apparently normal) to be important determinants in increasing these costs. The types of accidents that we found to increase property damage costs are running into a fixed object and under rides. Finally, we found that property damage costs of crashes are low where the land uses are commercial and institutional suggesting that the accidents that occur in these areas are minor.

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File URL: http://mpra.ub.uni-muenchen.de/36281/
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Bibliographic Info

Paper provided by University Library of Munich, Germany in its series MPRA Paper with number 36281.

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Date of creation: 2005
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Handle: RePEc:pra:mprapa:36281

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Related research

Keywords: longitudinal data; accidents; intersections;

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References

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  1. McCarthy Patrick S., 1994. "An Empirical Analysis of the Direct and Indirect Effects of Relaxed Interstate Speed Limits on Highway Safety," Journal of Urban Economics, Elsevier, vol. 36(3), pages 353-364, November.
  2. Keeler, Theodore E, 1994. "Highway Safety, Economic Behavior, and Driving Environment," American Economic Review, American Economic Association, vol. 84(3), pages 684-93, June.
  3. Margaret Giles, 2003. "The Cost of Road Crashes," Journal of Transport Economics and Policy, London School of Economics and University of Bath, vol. 37(1), pages 95-110, January.
  4. Winkelmann, Rainer, 2000. " Seemingly Unrelated Negative Binomial Regression," Oxford Bulletin of Economics and Statistics, Department of Economics, University of Oxford, vol. 62(4), pages 553-60, September.
  5. Philip J. Cook & George Tauchen, 1984. "The Effect of Minimum Drinking Age Legislation on Youthful Auto Fatalities, 1970-1977," The Journal of Legal Studies, University of Chicago Press, vol. 13(1), pages 169-190, January.
  6. Colin Cameron, A. & Windmeijer, Frank A. G., 1997. "An R-squared measure of goodness of fit for some common nonlinear regression models," Journal of Econometrics, Elsevier, vol. 77(2), pages 329-342, April.
  7. Michener, Ron & Tighe, Carla, 1992. "A Poisson Regression Model of Highway Fatalities," American Economic Review, American Economic Association, vol. 82(2), pages 452-56, May.
  8. Peltzman, Sam, 1975. "The Effects of Automobile Safety Regulation," Journal of Political Economy, University of Chicago Press, vol. 83(4), pages 677-725, August.
  9. Burkey, Mark L. & Obeng, Kofi, 2004. "A detailed investigation of crash risk reduction resulting from red light cameras in small urban areas," MPRA Paper 36261, University Library of Munich, Germany.
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