Today’s guest author is Ken Haley. Ken is our resident expert on all things workzone safety and impact attenuation. In today’s post, we asked Ken to answer the most frequently asked questions he and our sales team receive about the MASH Eligible HV2 TL-4 steel barrier.
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TrafFix Devices Blog posts and articles related to the HV2 MASH Barrier.
The importance of the HV2 MASH Temporary Barrier
Back in 2022 CalTrans released Supplement to Traffic Safety Systems Guidance: Temporary Barrier Systems with the stated intention of implementing MASH approved Temporary Barriers and the phasing out of industry standard of Temporary Railing (Type K), also known as K-rail.
This transition will be a multi-year phase process beginning in 2025 with a percentage of all jobs requiring temporary barrier in the state to have MASH alternatives. This initiative puts safety at the forefront; K-rail is being phased out over the next several years because it does not meet MASH crash testing standards.
Understanding the potential burden placed on businesses, CalTrans has put forward a phase out period for jobs continuing to use K-rail through December 31 2026, and projects advertised starting January 1, 2027 must use a MASH approved temporary barrier system only.
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