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Port Miami Tunnel Project


The PortMiami Tunnel (POMT) project was built by MAT Concessionaire, LLC, in partnership with the Florida Department of Transportation (FDOT), Miami-Dade County and the City of Miami.

By connecting SR A1A/MacArthur Causeway to Dodge Island, the project  provides direct access between the seaport and highways I-395 and I-95, create another entry to PortMiami in addition to the Port Bridge to keep  PortMiami, the community’s second largest economic generator, competitive.

Additionally, The POMT  improves traffic flow in downtown Miami by reducing the number of cargo trucks and cruise related vehicles on congested downtown streets, and aids ongoing and future development in and around downtown Miami.

This site is a resource to answer your questions and keep you up-to-date on the most recent activities and information regarding the POMT. Take a moment to explore the site, feel free to contact us with your questions and/or comments.