BR-401 is a federal highway in the state of Roraima in Brazil.

[2][3] The Ponte dos Macuxis [pt] over the Branco River was completed on 29 August 1975.

[4] The Takutu River Bridge was completed in 2009, and provides access to the road network of Guyana.

[5] The bridge switches between left- and right-hand drive automatically.

[6] In 2018, the section between Boa Vista and the border with Guyana was fully paved.