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AASHTO hosting webinars on results of study on converting MASH to performance-based spec

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The American Association of State Highway and Transportation Officials (AASHTO) is hosting two June webinars to review the results of a study commissioned to explore the possibility of converting the Manual on Assessing Safety Hardware (MASH) 2016 to a performance-based specification.

AASHTO hired the Texas A&M Transportation Institute to do a scoping study to assess the effort, timeline and needs required if the change was undertaken. Results of the study will be presented at two webinars, which will include time for questions. Registration is now open.

MASH scoping study discussed during AASHTO Virtual Spring Meeting 2021

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During AASHTO's 2021 Virtual Spring Meeting on Monday, the Council on Highways and Streets (CHS) gathered to provide updates from various stakeholders. The discussion included an update on the Manual for Assessing Safety Hardware (MASH) scoping study to determine the feasibility and potential next steps to convert MASH into a set of performance specifications.

Joyce Taylor from the Maine Department of Transportation (MaineDOT), who serves as design vice chair with AASHTO, gave an update on the MASH scoping study conducted by Texas A&M Transportation Institute (TTI). She discussed the challenges related to current testing procedures and the gray areas within the existing manual that lead to a lack of consistency, as testing may be conducted differently by facilities.

The scoping study, conducted by TTI and sponsored by AASHTO, was completed in April.

FHWA issues letter to clarify eligibility process for cable barrier systems

Letter from the Office of Safety relates to the 2nd edition of MASH

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The Federal Highway Administration (FHWA) has issued a letter clarifying the process to obtain an eligibility letter for cable barrier systems.

The “open letter” from Michael S. Griffith, director of the Office of Safety Technologies in the Office of Safety, is addressed to members of the “highway safety hardware and roadside design community.”

He notes that the FHWA received questions about the eligibility letter over the past several months.

AASHTO and FHWA issue clarifications on implementing MASH 2016

Q and A released for issues raised since May 2018

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Information is now available that clarifies issues related to implementing the 2016 edition of the Manual for Assessing Safety Hardware (MASH).

The American Association of State Highway and Transportation Officials (AASHTO) publishes MASH and issued the latest updates in a Question-and-Answer format. The latest information is the result of work produced by a joint technical working group of people from state departments of transportation (DOTs), the Federal Highway Administration (FHWA) and accredited crash testing labs, according to a statement included in the release.

AASHTO announces new MASH-compliant devices with federal-aid eligibility letters

Most providers on the list are ATSSA members

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The American Association of State Highway and Transportation Officials (AASHTO) notified ATSSA today of several new devices that recently received federal-aid eligibility letters from the Federal Highway Administration (FHWA). The devices, which are compliant with the Manual for Assessing Safety Hardware (MASH), are listed below. The majority on the list are offered by ATSSA member companies.

The devices are also listed online along with FHWA letters that provide information about crash tests that were conducted.

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