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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.

 
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