@techreport{essex2016transportation,
  title={Transportation Review: Trends in State Speed Legislation},
  author={Essex, Amanda, Shinkle, Douglas and Teigen, Anne},
  year={2016},
}
@article{gelman2005analysis,
  title={Analysis of variance—why it is more important than ever},
  author={Gelman, Andrew},
  journal={The Annals of Statistics},
  volume={33},
  number={1},
  pages={1--53},
  year={2005},
  publisher={Institute of Mathematical Statistics}
}
@book{gelman2006data,
  title={Data analysis using regression and multilevel/hierarchical models},
  author={Gelman, Andrew and Hill, Jennifer},
  year={2006},
  publisher={Cambridge University Press}
}
@book{gelman2014bayesian,
  title={Bayesian data analysis},
  author={Gelman, Andrew and Carlin, John B and Stern, Hal S and Rubin, Donald B},
  volume={2},
  year={2014},
  publisher={Chapman \& Hall/CRC Boca Raton, FL, USA}
}
@techreport{goodwin2010countermeasures,
  title={Countermeasures that work: A highway safety countermeasure guide for state highway safety offices},
  author={Goodwin, Arthur H and Thomas, Libby J and Hall, William L and Tucker, Mary Ellen},
  year={2010}
}
@book{hauer2015art,
  title={The Art of Regression Modeling in Road Safety},
  author={Hauer, Ezra},
  volume={38},
  year={2015},
  publisher={Springer}
}
@article{hauer2005cause,
  title={Cause and effect in observational cross-section studies on road safety},
  author={Hauer, Ezra},
  journal={Unpublished manuscript},
  year={2005}
}
@book{imbens2015causal,
  title={Causal inference in statistics, social, and biomedical sciences},
  author={Imbens, Guido W and Rubin, Donald B},
  year={2015},
  publisher={Cambridge University Press}
}
@book{leaf1999literature,
  title={Literature review on vehicle travel speeds and pedestrian injuries},
  author={Leaf, William A and Preusser, David F},
  year={1999},
  publisher={US Department of Transportation, National Highway Traffic Safety Administration}
}
@software{RStan,
  author = {{Stan Development Team}},
  title = {RStan: the R interface to Stan},
  url = {http://mc-stan.org},
  version = {2.14.1},
  year = {2016},
}
@inproceedings{tingvall2000vision,
  title={Vision Zero: an ethical approach to safety and mobility},
  author={Tingvall, Claes and Haworth, Narelle},
  booktitle={6th ITE International Conference Road Safety \& Traffic Enforcement: Beyond},
  volume={1999},
  year={2000}
}