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MassDOT Engineering Directives

MassDOT issues engineering directives to introduce new engineering standards and procedures.

Engineering directives introduce new engineering standards or procedures. They also supplement, clarify, or amend existing engineering standards or procedures. Designers, contractors, MassDOT employees and other people use engineering directives in conjunction with other MassDOT design and construction manuals and publications.

What you need to know

List of engineering directives 

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