Greater Miami Expressway Agency
Also known as GMX
The Greater Miami Expressway Agency (GMX), successor to the Miami-Dade Expressway Authority (MDX), operates five urban toll expressways totaling approximately 35 miles, connecting major employment centers and Miami International Airport. The state assumed control of the former MDX system in 2023.
Updated Jul 27, 2026 · Sourced from FDOT Work Program & Active Construction data
Network
Connected to 1 project · 2 firms · 1 corridor
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About
The Greater Miami Expressway Agency (GMX), successor to the Miami-Dade Expressway Authority (MDX), operates five urban toll expressways totaling approximately 35 miles, connecting major employment centers and Miami International Airport. The state assumed control of the former MDX system in 2023.
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