These designs are provided by:
Alabama Department of Transportation
Design, Engineer Support
This site has pre-drawn design details that can be inserted into individual projects as required. It is the responsibility of the engineer using these details to ensure that the detail is accurate for a specific project. These details are not drawn to scale and are not Standard Drawings. Details in this design detail library may or may not have previously approved for use on a project. The user should not assume that any of these details are pre-approved.
Design Details are for guidance of design engineers, technicians, consultants, and inspection personnel engaged in roadway design, plan preparation, and construction for ALDOT. They are prepared to encourage uniform application of designs and standard details in plan preparation of roadways.
Revisions or additions to these details shall be issued periodically and shall be the responsibility of the user.