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/ Categories: Connected Vehicles, Innovation, Tech and Innovation

AASHTO issues updates to MASH guidance

The American Association of State Highway and Transportation Officials (AASHTO) issued an update to its guidance for the Manual for Assessing Safety Hardware (MASH) on Tuesday.

ATSSA Director of Innovation and Technical Services Eric Perry said the information addresses three additions to the Frequently Asked Questions section for MASH.

1. It clarified the truck type needed for a TL-4 test on barriers

2. It gave some guidance on selecting the Critical Impact point between 5-25 degrees for channelizer tests 90 &91.

3. It clarified that a test that is over the 2.5 mph speed tolerance on the upper end (as an example at 65 mph) is acceptable for barrier tests.

The questions and answers have been compiled since May 2018 to help with implementation of the 2016 edition of the MASH.

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Tags: innovation MASH AASHTO
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