Turn on more accessible mode Skip to main content

Highway Safety Manual   Welcome to the Highway Safety Manual website. Here you can find news, resources supporting implementation of the HSM, and a user discussion forum.  NEWS Updated HSM Errata New HSM Online Overview Course Executive Flyer Implementation Guide for Managers from FHWA FHWA HSM Training Guide Check out the new Frequently Asked Questions New materials from FHWA - including case studies LINKS TO HIGHWAY SAFETY MANUAL PARTNERS: FHWA Highway Safety Manual Website TRB Safety Performance Committee Website QUICK LINKS: User Discussion Forum Spreadsheets for Part C calculations: Download information Direct link to spreadsheets FHWA's "A Guide for Developing Quality Crash Modification Factors" Errata for the first edition FHWA Resource Center Webinar Recordings Overview information: Introduction Brochure Fact Sheet  Visit the AASHTO Bookstore for ordering information.