Road According to the New York State Thruway Authority, some sample per-mile costs to construct multi-lane roads in several US northeastern states were: The United States has the largest network of roads of any country with as of 2009. The Republic of India has the second largest road system in the world with 4,689,842 kilometres (2,914,133 mi) of road (2013). The People's Republic of China is third with of road (2007). The Federative Republic of Brazil has the fourth largest road system in the world with (2002). See List of countries by road network size. When looking only at expressways the
Road Network of the MERCOSUR Road Network of the MERCOSUR The road network of the MERCOSUR (), is a network of roads and highways in South America, that constitute a transnational system and links Mercosur main cities and access points. Starting in Brazil, the network links the city of Río de Janeiro with the cities of Sao Paulo and Curitiba. From there a coastal highway connects with the city of Florianópolis, the harbour of São Francisco do Sul and Porto Alegre and an occidental highway goes from Curitiba up to Porto Alegre. From Porto Alegre, the network arrives to Rio Grande, and finally to the