REC 146 / 356 · Leonida atlas

Keys Causeway

Keys Causeway is a highway due to appear in Grand Theft Auto VI, first identified in the September 2022 leaks as the stretch of U.S. Route 3 beginning south of Hamlet that carries traffic out to the Leonida Keys. It is likely based on the Overseas Highway, the bridge-and-embankment route that takes U.S. Route 1 through the Florida Keys to Key West.

Leak Identification and Route

Keys Causeway was identified in the September 2022 Grand Theft Auto VI leaks. It was shown as part of U.S. Route 3, running from an origin south of Hamlet toward the Leonida Keys.

The available material establishes the road’s role as the connection used by motorists travelling between the mainland-side area near Hamlet and the Keys region. No trailer timestamps, screenshots, official promotional appearances, vehicle details, traffic information, or gameplay features are specified.

Overseas Highway Influence

The highway is likely modelled on South Florida’s Overseas Highway, the real U.S. Route 1 corridor crossing the Florida Keys on its way to Key West.

That route uses both bridges and elevated embankments. Those embankments are the physical feature associated with a causeway, accounting for the in-game road’s name. The comparison identifies a geographic and structural inspiration rather than confirming that Keys Causeway reproduces any particular real-world bridge or segment.

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