The larges troad tunnel in the state of São Paulo, Brazil,began to be built on April 28, 2017, in Caraguatatuba, in the work on the new stretch of the Serra do Tamoios highway. The road is being duplicated.
For more informations, access: http://www2.ovale.com.br/2.620/maior-de-sp-tunel-da-tamoios-comeca-a-ser-escavado-no-vale-1.678285