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Materials Source Guide
Projects let in accordance with the 2012 Standard Specifications for Construction, use the historical version of the MQAP/MSG to determine the basis of acceptance. Reference the current version of the MQAP/MSG for determining the Approved Supplier, Approved Manufacturer, and Qualified Products Listings for these projects.
Pending Qualified Products List Updates
Previous Versions of Entire Materials Source Guide
August 2021 Revision
January 2021 Revision
August 2020 Revision
March 2020 Revision
October 2019 Revision
March 2019 Revision
Aggregate Source Inventory Database & Bituminous Mix Design Nomograph Guide
Prequalified Aggregate Supplier List
Questions? Contact Materials Control: MDOT-MaterialsControl@Michigan.gov