The Source

The Source is the Georgia Department of Transportation's online reference for contractors. Within The Source, contractors will find information pertaining to bridges, culverts and retaining walls, construction manual, erosion control, earthwork, pavements, special provisions, specifications, and sampling, testing, and inspection.

How to Search: Please use the navigation on the left under The Source to find documents related to the Bridges Manual, Construction Manual & Forms, Special Provisions, Specifications and STI.

Standard Specifications

2021 Standard Specifications

Check out Georgia DOT's latest standard specifications of construction systems. The previous 2013 Standard Specifications is also available.

Supplemental Specifications

2016 Supplemental Specifications

A list of specifications modifying the 2013 standard specifications of construction systems

Special Notice to Contractors

Georgia DOT 2021 Construction Spec Book available for purchase click here


Looking for an archive of standard specifications and supplemental specifications click here


 Special & Project Specific Provisions


 Specification Review

Specifications Section Revision Date


 Comments & Suggestions

Please send comments or suggestions concerning The Source to Aziza Branson.