Doing Business with South Carolina Department of Transportation

Business Development & Special Programs

"C" Program


Contractors/Construction Lettings

Consultants/Professional Services

Local Public Agency Administration





Surplus Property

Technical Documents

Construction Extranet

SCDOT's Construction Extranet web site provides vendors (i.e., Prime Contractors, Sub-Contractors and other vendors) a way to download and view construction plans for upcoming lettings. It also provides vendors a means of communicating their desire to receive or send quotes to other vendors for upcoming construction projects. In addition, for active prime contractors, the site provides a way to download and upload SiteXchange files.

For existing users click the login button below.

To request an account, click the button below.

A few helpful tips for logging into the Extranet site are listed below. If you are still having trouble please fill out the form below and someone will assist you as soon as possible.

  • Remember that passwords are case sensitive (i.e., check caps lock)
  • The Construction Extranet works best with Internet Explorer 5.5 Service Pack 2 or later
  • High speed broadband Internet connection is highly recommended

If you are still having trouble logging in,forgot your password or have questions on using the Construction Extranet, please Email Us and someone will contact you as soon as possible.

Related Links:
Letting Schedule
Current Lettings
Tentative Lettings

To view PDF files, you will need Adobe Acrobat Reader