Miami beach tunnel. A Major road tunnel under the Port of Miami feeding one of the largest cruise port terminal and relieving the city center road network. Proposals have ranged from streetcar, light rail, monorail, Metromover, or Metrorail extension that would connect Downtown Miami to South Beach via the MacArthur Causeway, with the light rail or streetcar options potentially having loops at both ends. The PortMiami Tunnel is a toll-free, 4,200-foot undersea tunnel that provides direct access between the MacArthur Causeway and PortMiami, helping reduce downtown congestion and streamline cargo and cruise traffic. The new tunnel provided a direct link needed to alleviate the traffic congestion caused by I-95 traffic having to go through the City of Miami to connect with I-395. Sep 4, 2025 · Miami Beach Mayor considering Elon Musk’s Boring Company tunnels Miami Beach faces unique constraints, including chronic flooding, porous limestone foundations, and its low elevation near sea level. BayLink is a long-proposed transit connection between Miami and Miami Beach, Florida. The state has agreed to pay for 50 percent of the capital costs (design, construction) and all of the operations and maintenance, while the remaining 50 percent of the capital costs will be provided by Miami-Dade County and the City of Miami. S. In operation since 2014. 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. In 2020, the project was previously approved by . Project Profile: Port of Miami Tunnel photo credit: Florida Department of Transportation (FDOT) The total cost of design and construction of the tunnel is set at $668 million. Why it matters: After opposing plans to expand the Metromover from downtown Miami to South Beach, city leaders have turned to more experimental ideas to ease gridlock. Project status Sep 9, 2014 · Project Overview The Port of Miami Tunnel (POMT) will improve access to and from the Port of Miami, serving as a dedicated roadway connector linking the Port with the MacArthur Causeway and I-395. , completed in 2010 at the cost of $700 million. It consists of two parallel tunnels (one in each direction) that travel beneath Biscayne Bay, connecting the MacArthur Causeway on Watson Island with PortMiami on Dodge Island. 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. The first structure constructed by Bouygues Construction in the United States was handed over in 2014: a twin tunnel bored through the coral below the port of Miami, Florida. The Port of Miami Tunnel Project is the first P3 project in the U. Sep 3, 2025 · The mayor of Miami Beach wants to explore the possibility of building underground tunnels to improve traffic. The Port of Miami Tunnel has improved access to and from the Port of Miami, serving as a dedicated roadway connector linking the Port (located on an island in Biscayne Bay) with the MacArthur Causeway (State Road A1A - which connects Miami to Miami Beach) and I-395 on the mainland. The Port of Miami Tunnel (also State Road 887) is a 4,200-foot (1,300 m) [3] bored, undersea tunnel in Miami, Florida. 71htg25o ddrndm 6kwzj 4u0q ckm5u junr dnw1ecx jp1ar hwjr5 k7oxn