Request for Proposals
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TxDOT is pleased to present a request for proposals (RFP) to the shortlisted teams for the design, construction and maintenance of the I-35 Northeast Expansion (NEX) Central Project, in Bexar and Guadalupe counties. 

Legal Disclaimer – The following documents are provided as reference information only project documents. The information contained in these documents reflects information as of any date or time identified therein. TxDOT has not determined whether the project documents are accurate, complete, pertinent, or of any other value to potential developers. TxDOT makes no representation, warranty or guarantee as to, and shall not be responsible for, the accuracy, completeness, or pertinence of the project documents, and, in addition, shall not be responsible for any interpretations thereof or conclusions drawn therefrom. The statements made in the project documents that are not purely historical are forward-looking statements, including TxDOT's hopes, intentions or strategies regarding the future. These statements are based on information currently available to TxDOT and TxDOT assumes no obligation to update any such forward-looking statements.

Request for Proposals (RFP) Documents – I-35 NEX Central Project

The original RFP documents and the latest addenda are available in the table below. Addenda 1 and 2 are also available.

Title Original
Addendum 3
Addendum 4
Addendum 5
Issuance Letter
Instructions to Proposers (ITP)
Design-Build Contract (DBC)        
Design-Build Agreement (DBA)
DBA General Conditions  
Design-Build (DB) Specifications
DB Specifications Attachments  
Capital Maintenance Contract (CMC)        
Capital Maintenance Agreement (CMA)  
CMA General Conditions  
CMA Specification  
CMA Specification Attachment  

More Information

I-35 Northeast Expansion Central Project




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