The three selected consortia submitted conceptual proposals:
Cintra Infraestructuras S.A.:
* Cintra Infraestructuras S.A.U.
* Ferrovial Agroman, S.A.
* Janssen & Spaans Engineering Inc.
* A. Morton Thomas and Associates Inc.
* American Infrastructure

460 Partners, Inc.:
* Moreland Property Group Inc.
* Infrastructure Capital Partners LLC
* CGA Capital
* Bank of America
* Lane Construction Corporation
* Skanska USA Civil
* Southeast Inc.
* AECOM
* Transfield Services North America

Multimodal Solutions LLC:
* Edgemoor Real Estate Services, LLC
* Clark Construction Group, LLC
* Shirley Contracting Company, LLC
* Autostrade S.p.A.
* Keiwit Construction Inc.
* The Louis Berger Group
* Barclays Capital