Recent or noteworthy IIHS research is compiled here.
See our comprehensive bibliography for more on this or any other topic.

  • Comment on “Isaac Newton vs. Red Light Cameras: Derivation of the Yellow Light Interval Equation” by Brian Ceccarelli

    Hu, Wen
    Insurance Institute for Highway Safety
    August 2010

    Abstract
  • Reducing red light running through longer yellow signal timing and red light camera enforcement: results of a field investigation

    Retting, Richard A.; Ferguson, Susan A.; Farmer, Charles M.
    Accident Analysis and Prevention
    January 2008

    Abstract
  • Reducing urban arterial intersection crashes through crash typing analysis: a case study

    Retting, Richard A.; Farmer, Charles M.; Ferguson, Susan A.; Weinstein, Helen B.
    ITE Journal
    December 2006

    Abstract
  • Characteristics of vehicle-animal crashes in which vehicle occupants are killed

    Williams, Allan F.; Wells, JoAnn K.
    Traffic Injury Prevention
    March 2005

    Abstract
  • Crash reduction following installation of centerline rumble strips on rural two-lane roads

    Persaud, Bhagwant N.; Retting, Richard A.; Lyon, Craig
    Accident Analysis and Prevention
    November 2004

    Abstract
  • Methods to reduce traffic crashes involving deer: what works and what does not

    Hedlund, James H.; Curtis, Paul D.; Curtis, Gwen; Williams, Allan F.
    Traffic Injury Prevention
    June 2004

    Abstract
  • Types and characteristics of ramp-related motor vehicle crashes on urban interstate roadways in northern Virginia

    McCartt, Anne T.; Shabanova Northrup, Veronika; Retting, Richard A.
    Journal of Safety Research
    February 2004

    Abstract
  • Effectiveness of temporary warning signs in reducing deer-vehicle collisions during mule deer migrations

    Sullivan, Todd L.; Williams, Allan F.; Messmer, Terry A.; Hellinga, Laurie A.; Kyrychenko, Sergey Y.
    Wildlife Society Bulletin
    2004

    Abstract
  • Analysis of motor-vehicle crashes at stop signs in four U.S. cities

    Retting, Richard A.; Weinstein, Helen B.; Solomon, Mark G.
    Journal of Safety Research
    December 2003

    Abstract
  • Changes in crash risk following re-timing of traffic signal change intervals

    Retting, Richard A.; Chapline, Janella F.; Williams, Allan F.
    Accident Analysis and Prevention
    March 2002

    Abstract
  • A simple method for identifying and correcting crash problems on urban arterial streets

    Retting, Richard A.; Weinstein, Helen B.; Williams, Allan F.; Preusser, David F.
    Accident Analysis and Prevention
    November 2001

    Abstract
  • Increasing motorist compliance and caution at stop signs

    Van Houten, Ron; Retting, Richard A.
    Journal of Applied Behavior Analysis
    Summer 2001

    Abstract
  • Motor vehicle crashes on bridges and countermeasure opportunities

    Retting, Richard A.; Williams, Jonathan; Schwartz, Samuel I.
    Journal of Safety Research
    Winter 2000

    Abstract
  • Influence of traffic signal timing on red-light running and potential vehicle conflicts at urban intersections

    Retting, Richard A.; Greene, Michael A.
    Transportation Research Record 1595
    August 1997

    Abstract
  • Classifying urban crashes for countermeasure development

    Retting, Richard A.; Williams, Allan F.; Preusser, David F.; Weinstein, Helen B.
    Accident Analysis and Prevention
    June 1995

    Abstract