Colorado Department of Transportation

FHWA - FAQs Guardrail Height Memo - May 17, 2010 Located in Business Center / … / M Standards - 2019 Original Plans / Manual for Assessing Safety Hardware (MASH) Related Memos

FHWA - Clarifications on Implementing the AASHTO 2016 Manual for Assessing Safety Hardware

May 9, 2018. This document is a compilation of all questions and answers (Q&A) that have been developed to clarify the intent of the 2016 edition of the Manual ...

Located in Business Center / … / M Standards - 2019 Original Plans / Manual for Assessing Safety Hardware (MASH) Related Memos

FHWA - Eligibility of Crash Cushion devices MASH 16 Sunset date - December 20, 2018 Located in Business Center / … / M Standards - 2019 Original Plans / Manual for Assessing Safety Hardware (MASH) Related Memos

FHWA - FINAL Modification to December 2018 Sunset Date for MASH Cable Barriers & Terminals - August 13, 2018.pdf Located in Business Center / … / M Standards - 2019 Original Plans / Manual for Assessing Safety Hardware (MASH) Related Memos

FAQ about CDOT Guardrails, Crash Cushions, and End Treatments Located in Business Center / … / M Standards - 2019 Original Plans / Manual for Assessing Safety Hardware (MASH) Related Memos

Issuance Letter for the Manual for Assessing Safety Hardware (MASH) Implementation Updates - April 5, 2019 Located in Business Center / … / M Standards - 2019 Original Plans / Manual for Assessing Safety Hardware (MASH) Related Memos

Issuance of Revised MASH Compliance Standard Plan - M-606-14 - Temporary Precast Type 7 Concrete Barrier - August 21, 2020 Located in Business Center / … / M Standards - 2019 Original Plans / Manual for Assessing Safety Hardware (MASH) Related Memos

Issuance Letter for M-606-1 MGS 31-inch & D-606-2 MGS 31-inch without Blocks - December 21, 2018 Located in Business Center / … / M Standards - 2019 Original Plans / Manual for Assessing Safety Hardware (MASH) Related Memos

Issuance Letter for M-606-1 MGS 31-inch & D-606-2 MGS 31-inch without Blocks - February 8, 2018

Superseded on December 21, 2018.

Located in Business Center / … / M Standards - 2019 Original Plans / Manual for Assessing Safety Hardware (MASH) Related Memos

Issuance Letter for M-606-15 Guardrail Type 9 Single Slope Barrier - July 16, 2018 Located in Business Center / … / M Standards - 2019 Original Plans / Manual for Assessing Safety Hardware (MASH) Related Memos

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