The transport ministry in publishing a bid request to the northern loop of the Circunvalacion.
Road officials said they hope to have the long-awaited project started by September 2014.
The Circunvalación now runs from La Uruca and the General Cañas Autopista to San Pedro. It is a four- to six-lane divided highway.
The government will put up $50 million and borrow the remainder from the Banco Centroamericano de Integración Económica,
The announcement Wednesday was just that the bid request would be published in the La Gazeta official newspaper.
The second stage is still being designed, said the Ministerio de Obras Públicas y Transportes.
The second stage will be just 1.2 kilometers.