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TC3 Online Training

TC3 is AASHTO's online training library of 190+ training modules.  Access is available to local government agencies at no charge. 

Get Started!

To browse and access TC3 course offerings, go to To learn more about CLAS, a part of FHWA’s Office of Innovative Program Delivery, go to

Access to courses is available to local agency and tribal staff only. 

To gain access to available training courses, please follow the steps below and use the provided promotion code to access sponsored training courses:

  1. Go to and find “My Account” at the top right of the page. If visiting for the first time, select “Register” and provide the requested information; otherwise, select Sign In and enter your email address and password.
  2. Select the “Technical Training” dropdown on the left under the AASHTO logo and search through the available training courses to select the course(s) that you would like to access and add them to the Shopping Cart.
  3. When you are ready to checkout, click Shopping Cart on the top menu and enter the following promotion code and select Apply:

Promotion Code: D5X3-B3D9-52CB-4XCX

  1. Click Checkout to proceed with placing the order.

To launch purchased training courses, select “My Training” from the “My Account” dropdown menu at the top of the page. This will display a list of purchased courses that you can complete.

If you have questions or need additional information, please use the Contact Us form at to submit your support request or question.

Access to courses is available to local agency and tribal staff only. To get started:

For additional help, watch this YouTube video:

Learn more about this program by clicking TC3 Fact Sheet or visit their website at TC3: A National Resource.