A study of factors affecting highway accident rates using the random-parameters tobit model.

@article{Anastasopoulos2012ASO,
  title={A study of factors affecting highway accident rates using the random-parameters tobit model.},
  author={Panagiotis Ch Anastasopoulos and Fred Mannering and Venky N. Shankar and J. E. Haddock},
  journal={Accident; analysis and prevention},
  year={2012},
  volume={45},
  pages={628-33}
}
A large body of previous literature has used a variety of count-data modeling techniques to study factors that affect the frequency of highway accidents over some time period on roadway segments of a specified length. An alternative approach to this problem views vehicle accident rates (accidents per mile driven) directly instead of their frequencies. Viewing the problem as continuous data instead of count data creates a problem in that roadway segments that do not have any observed accidents… CONTINUE READING

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