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Toll / Expressway Authority Directory

4organizations

Authorities that finance, build, and operate toll roads, expressways, and managed lanes.

Updated Jul 27, 2026 · Sourced from FDOT Work Program & Active Construction data

Showing 1–4 of 4

GMX
Greater Miami Expressway Agency
Miami-Dade County — SR 836 (Dolphin), SR 874 (Don Shula), SR 878 (Snapper Creek), SR 924 (Gratigny), SR 112 (Airport Expressway), FLToll / Expressway Authority

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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