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FHWA Home / Safety / Roadway Departure / AASHTO Guidance

AASHTO Guidance

American Association of Highway and Transportation Officials (AASHTO) is a nonprofit association that represents highway and transportation departments across the nation and serves as a liaison between State departments of transportation and the Federal government. AASHTO works to educate the public and key decision makers about the critical role that transportation plays in securing a good quality of life and sound economy for our nation, by setting design and installation standards, providing guidance and resources, and developing outreach materials.

Screenshot: Cover AASHTO's Roadside Desing Guide

AASHTO's Roadside Design Guide
presents a synthesis of current information and operating practices related to roadside safety and focuses on safety treatments that can minimize the likelihood of serious injuries when a motorist leaves the roadway.

  Screenshot: Cover of Manual for Assessing Safety Hardware (MASH) Manual for Assessing Safety Hardware (MASH) presents uniform guidelines for crash testing permanent and temporary highway safety features and recommends evaluation criteria to assess test results.
Page last modified on May 18, 2017
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Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000