Human factors, or how users of the roadway system interact with the environment, is a critical element to understand the causes of many fatal and serious injury crashes. This webinar explores how human factors work for or against roadway safety, and how various tools and educational strategies can be used to influence human behavior. The specific areas covered include human factors basics, safety strategies to address human behavior, road user education strategies, law enforcement strategies, roadway design impact on human behavior, the importance of incorporating human factors into safety planning and programming, positive guidance principles for user safety, and the driving task model and road user error.