The Ministry of Transport of Colombia and the national infrastructure agency, ANI, are tendering four schemes with a total length of 704km as part of the 'fourth generation of concessions'.

The PPP concession contract cover studies and final designs, financing, environmental management, construction, renovation, operation and maintenance.

The four corridors are presented below:

• Villavicencio - Yopal corridor: with an estimated investment of US$815 million and length of 260 km. Tender documents can be found at: https://www.contratos.gov.co/consultas/detalleProceso.do?numConstancia=13-19-1914079

• Neiva - Girardot corridor: with an estimated investment of US$588 million and length of 191 km. Tender documents can be found at: https://www.contratos.gov.co/consultas/detalleProceso.do?numConstancia=13-19-1914066

• Rumichaca - Pasto corridor: with an estimated investment of US$815 million and length of 80 km. Tender documents can be found at:  https://www.contratos.gov.co/consultas/detalleProceso.do?numConstancia=13-19-1914070

• Puerta de Hierro - Palmar de Varela y Carreto - Cruz del Viso corridor: with an estimated investment of US$241 million and length of 173 Km. Tender documents can be found at:  https://www.contratos.gov.co/consultas/detalleProceso.do?numConstancia=13-19-1914075

The first step in bidding is to submit an expression of interest. Ten prequalified bidders will be invited to the second stage.