Ludlam Trail, we are going to have thousands of users that will then become the advocacy group to demand more bicycle infrastructure.” In May 2017, Miami Dade County reclaimed land on Rickenbacker Causeway to help keep the Plan Z For Miami plan alive, The Miami Herald reported in May 2017. As of May 2022 Plan Z, is in the limbo after receiving very significant backslash from the Key Biscayne community as it incurs in an up to 80 year rights forfeiture to the Plan Z developers thus creating many uncertainties for the residents of the island who are not keen to have their only road to the mainland be dependent on a third party for no significant value to the island community. References Roads in Miami Key Biscayne, Florida Roads in Miami-Dade County, Florida Causeways in Miami-Dade County, Florida Toll bridges in Florida Intracoastal Waterway Bridges completed in 1947 Road bridges in Florida Concrete bridges in the United States 1947 establishments in Florida