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Construction and Material Standards and Specifications

Here you will find the detailed information you need to work with the Maryland Department of Transportation State Highway Administration (MDOT SHA).

Standard and Supplemental Specifications for Construction and Materials

… including a Wiki with approved revisions.

Book of Standards for Highway & Incidental Structures

The book provides engineers and contractors with a complete, and up-to-date catalog of standards for highways, incidental structures and traffic control applications.

Category Code Book 

Code numbers for all ‘pay items’ used in projects.

AASHTO Specifications

Specs from the American Association of State Highway and Transportation Officials, with contact information.

ASTM Specifications

Specs with contact information for the American Society for Testing and Materials.