NCREP Project Results

GHSA's National Cooperative Research and Evaluation Program conducts research on pressing issues in traffic safety.

Motorcyclists’ Attitudes on Using High-Visibility Gear to Improve Conspicuity

This report by NHTSA and GHSA's National Cooperative Research and Evaluation Program (NCREP) examines why riders choose to wear — or not wear — high-visibility gear. Through a focus group of motorcycle riders, the report finds that while most participants did not regularly wear such gear, those who did reported doing so after having been in a crash with a motor vehicle, or personally knowing another rider who had been in such a crash.

Impact of the Legalization and Decriminalization of Marijuana On the DWI System

In its first completed research project, the National Cooperative Research and Evaluation Program (NCREP) convened a group of national experts, representing states that had enacted such laws, to discuss the potential downstream effects of marijuana legalization on the entire impaired driving system. 

Download the Report

Key takeaways from the meeting include the following recommendations for states:

Subscribe to NCREP Project Results