Meet the Team

Learn more about who's building SH 45SW:

Owner and Operator

The Mobility Authority oversaw design of the project and has contracted with McCarthy Building Companies to construct the project. Once the project is complete the Mobility Authority will operate and maintain the 45 Southwest Expressway.

Agency Partners

TxDOT was the lead agency in the development of the SH 45SW environmental study, including related environmental documentation and coordination of public outreach. In addition, TxDOT provided funding and right-of-way for the project.

Hays and Travis counties helped provide funding, input and feedback for the project.


McCarthy Building Companies, Inc. has been a community builder across America for more than 150 and in Texas for 35 years, creating and developing positive working relationships with clients in a diverse range of markets. Throughout all phases of a project, from early integrated design phase services, through construction and after completion, McCarthy builders utilize industry-leading construction techniques and the most sophisticated technology to deliver the highest quality, job-site safety and ultimately, the best value. McCarthy has worked on several heavy, civil and complex transportation projects totaling nearly $4 billion in construction costs. 


Call us at 512-996-9778 or send us a comment via our easy-to-use contact form.

Join the conversation on Twitter.