The tunnel is designed to service both cruise and cargo traffic, but cruise passengers and non-cargo vehicles should keep to the left after exiting the tunnel at PortMiami.

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 …

It is dug through surrounding soil, earth or rock, or laid under water, and is usually completely enclosed except for the two portals common at each end, though there may be access and ventilation …

The project includes a tunnel under the Main Channel, roadway work on Dodge Island and Watson Island/MacArthur Causeway, and widening the MacArthur Causeway Bridge.

Dec 19, 2025 · tunnels and underground excavations, horizontal underground passageway produced by excavation or occasionally by nature’s action in dissolving a soluble rock, such as limestone. A …

The meaning of TUNNEL is a covered passageway; specifically : a horizontal passageway through or under an obstruction. How to use tunnel in a sentence.

Constructing a tunnel is one of the most complex challenges in the field of civil engineering. Learn about the basics behind tunnels.

TUNNEL definition: 1. a long passage under or through the ground, especially one made by people: 2. the long passage…. Learn more.

Tunnels are dug in types of materials varying from soft clay to hard rock.

The PortMiami Tunnel project is a highly complex project built through a public-private partnership (PPP or P3) that includes the design, build, finance, operation and maintenance of said project.