Colombia has published the pre-bid documents for the first concession under the second wave of the country's US$25 billion 4G highway plan, the 202 kilometre Puerta de Hierro-Palmar de Varela highway.
Located in northern Colombia, the highway runs through the departments of Sucre, Atlántico and Bolívar.
The project entails US$187 million improvement works on 175 kilometres, with construction estimated to take three years, said vice president Germán Vargas Lleras. The works are to be followed by a main
