Monumento Rodoviário da Rodovia Presidente Dutra, Art Deco highway monument in Piraí, Brazil.

The Monumento Rodoviário is an Art Deco tower rising 46 meters high along a major highway route between Rio de Janeiro and São Paulo. The structure features observation areas and was originally designed with restaurants and leisure spaces to serve as a rest stop for travelers.

Construction began on 18 May 1926, initiated by the Touring Club do Brasil, with the foundation stone laid in 1928 by President Washington Luiz. The monument was inaugurated on 13 May 1938 as a rest area and observation point. It was registered as cultural heritage on 27 August 1990, after closing in 1978.

The monument's decoration centers on road building: four interior panels by Candido Portinari on that theme, and eight exterior bas-reliefs by Albert Freyhoffer tracing transport from a litter to a carriage, ox cart and 1930s car. The Portinari panels were removed in October 2000 and are now at the Museu Nacional de Belas Artes in Rio de Janeiro.

The monument stands at kilometer 226 of the Via Dutra in Piraí, on the descending lane of the Serra das Araras, and is visible from the road. It has been closed since 1978 and is not open to visitors; access to the structure is not permitted. The Portinari panels are no longer on site but at the Museu Nacional de Belas Artes in Rio de Janeiro.

Two celebrated artists created works at this site: Candido Portinari painted four large panels depicting highway construction, while Albert Freyhoffer sculpted eight bas-relief panels on the exterior. This artistic collaboration turned the monument into an open-air gallery celebrating the builders of modern roads.