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Premier Highway Construction Information
Whitley & Siddons has provided Highway Construction Information since 1932. We provide extensive information for the Texas and Oklahoma markets. Feel free to take a look at our Tutorials to get an idea of what we offer, along with several hardcopy published books, such as the Dope Book and TxDOT Personnel Book.

Price History Users - click HERE for info on dealing with the new TxDOT Specification

Contact us at support@WhitleySiddons.com if you have any questions regarding this or any of our services.



Letting Dates



Order Plans & Proposals

Go To Online Letting Page

Online Letting Text Msgs

Multi Year Schedule

Our Software







Click on an Image for detailed information.

Tutorials Here