TIRF USA - Projects Archive

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Traffic Injury Research Foundation’s mission to reduce the road crash problem is accomplished by undertaking nearly two dozen research projects each year.

These projects consist of:

Experimental and epidemiological research
Qualitative and quantitative analyses (and specialized multivariate techniques)
Observational studies
Public opinion, population and roadside surveys
Crash analysis
Database design, construction and management
Literature reviews

Our Projects

TIRF USA chairs US National Distracted Driving Coalition

The National Distracted Driving Coalition (NDDC) was formed by the National Transportation Safety Board in 2021 to promote innovative and collaborative approaches to create a traffic safety culture of attentive..

TIRF USA Annual Ignition Interlock Reports: United States

The Association of Ignition Interlock Program Administrators (AIIPA) in partnership with the Traffic Injury Research Foundation USA, Inc. (TIRF USA) released four documents as proceedings from the 2022 annual conference..

CDOT Cognitive Roadside Device Evaluation Study

A national trend towards the legalization of both recreational and medical cannabis has emerged across the US, affecting many jurisdictions including Colorado. Post-legalization of recreational cannabis, there is evidence to..

Road Safety Monitors – National Opinion Polls on Alcohol-Impaired Driving in the United States

TIRF USA has conducted an annual Road Safety Monitor public opinion poll series since 2015 in partnership with TIRF in Canada and with sponsorship from the Anheuser-Busch Foundation. Each year..

Colorado Ignition Interlock Program Evaluation

TIRF USA, in partnership with Greenway and Vanasse Hangen Brustlin, Inc. conducted a comprehensive evaluation of the ignition interlock program in Colorado. Driving under the influence of alcohol is a..

Minnesota Ignition Interlock Evaluation

The Traffic Injury Research Foundation USA (TIRF USA) and VHB, Inc. were contracted by Greenway Transportation Planning to participate in an evaluation of the Minnesota ignition interlock program. The goal..