Use the ocean to alleviate road traffic.
Use high speed hydrofoils or boats to transport commuters from residential neighborhoods to business centers to alleviate road traffic.
Old Cutler Road is a two lane road that meanders parallel to the coast from Cutler Bay to Coconut Grove and has weekday traffic jams going north in the morning and south in the evenings between the Cutler Bay area and Miami's business district. There are county marinas at Homestead Bay Front, Black Point and Matheson Hammock parks with docks and large parking lots that are virtually empty on weekdays. Miami is a waterfront city. Why not take advantage of the our proximity to the ocean and weekday empty parking lots and have a system of high speed hydrofoils to transport commuters from these marinas to Miami and reduce traffic on Old Cutler?