This project explores the effects of modules to train novice drivers in (1) hazard identification and (2) the risks associated with using electronic devices while driving on their subsequent crash and citation rates.

This project seeks to assess features in an Interlock Enhancement Counseling program by comparing treatment and control groups.

This project evaluated five field oral fluid drug testing devices to assess their accuracy, reliability, performance to manufacturer specification, susceptibility to interference, and resistance of the consumables to extremes of temperature and humidity.

This project seeks to determine the use of on-site oral fluid testing devices in the U.S. and abroad, scan agency protocols and examine legal issues regarding their use.

This project involves developing a white paper summarizing research on the connection between THC use and driving performance and the likelihood of increased crash risk as well as the impact of marijuana per se limits and laws.

This project documented interlock programs across the country by surveying breath alcohol ignition interlock device programs & populating an online inventory on key areas including legislation, program funding, data management, vendor oversight, interlock technology & monitoring of driver compliance

This project seeks to identify the major data sources of drug-impaired driving information by listing the various sources of data on drug use and drugged driving and noting the strengths and weaknesses of each.

This project collects self-reported data about over-the-counter, prescription and illegal drug use, and biological samples to detect the presence of these drugs among drivers arrested for DUI and/or DUID.

This project examines how states’ DWI systems evolve with the legalization and decriminalization of marijuana.

This project examines how states’ DWI systems evolve with the legalization and decriminalization of marijuana.