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HSM News

Webinar Series on Exploring Predictive Network Screening and Evaluation Tools 

This webinar series features innovative software tools and case studies for predictive network screening and safety project evaluation employed by state transportation agencies around the United States. Recordings and slides from past webinars can be found on the Implementation page.

Highway Safety Manual Second Edition Update – Webinar for State DOTs 

Click here to watch a webinar on the overview of new content coming in the HSM2 and the upcoming AASHTO review and ballot process.

Presentation Slides


The Highway Safety Manual (HSM) is the premier guidance document for incorporating quantitative safety analysis in the highway transportation project planning and development processes. How can we help you?

What is the HSM?        Who uses the HSM?        How do I use the HSM?


What's coming next?        Where can I buy the HSM?        Frequently Asked Questions

While this web site is hosted by AASHTO, the Association works closely with the Federal Highway Administration (FHWA) Office of Safety (click here to visit the FHWA HSM web page) and the Transportation Research Board (TRB) Highway Safety Performance Committee on the content, software tools and training related to the HSM.