Discussion about Florida passenger rail operations including proposals. Official web-sites:
Miami/Dade Metrorail, Sunrail (Orlando), and Tri-County Commuter Rail Authority
For Virgin Rail/Brightline: Virgin Trains Worldwide (includes Brightline)

Moderator: Kurt-Trirail

  by Jeff Smith
 
Rejected by Miami Beach: Axios

As opposed to MIAMI BEACH LIGHT RAIL TO MIAMI / MAINLAND, of which I don't know what became.
Miami Beach rejects train extension connecting to downtown Miami
...
But extending the Metromover rail system from downtown to South Beach is a step too far, the City Commission has decided, as first reported by the Miami Herald.
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The elevated people-mover would run across the MacArthur Causeway and end up at new transit stations on Fifth Street in South Beach.

Commissioners voted Wednesday urging the county to reject the project after residents from affluent neighborhoods complained it might attract crime and that the plans were based on incomplete studies.

The county doesn't need approval from the city or residents to move forward with the project, which is expected to be paid for by the county and state, Axios has previously reported.
...
  by scratchyX1
 
"it might attract crime!"

by that argument, shouldn't expand highways, either.