The R-4 is a Spanish radial toll motorway originating from Madrid and passing through Valdemoro, connecting to the N-400, A-40 and AP-36.

Map
Route

The road is managed by Cintra.

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40°04′40″N 3°40′26″W / 40.0777°N 3.6739°W / 40.0777; -3.6739