Road network in Tamil Nadu June 2018, Tamil Nadu's road network has a total road length of . Tamil Nadu has about of highways which is designated as "National Highways" and "State Highways" on the basis of traffic intensity and connectivity. The various types of roads and their lengths are given below: Road stretches which have heavy traffic intensity of more than 30,000 Passenger Car Units (PCUs) connecting different state capitals, major ports, large industrial areas and tourist centers are designated National Highway by Government of India. In Tamil Nadu, "National Highways Wing" of Highways & Minor Ports Department was established in the year 1971
Road Network of the MERCOSUR border with Uruguay in Río Branco. In Uruguay the network link reaches the cities of Montevideo and Colonia del Sacramento. It is planned that the road network crosses the Rio de La Plata and links with Buenos Aires through a bridge to be constructed that would go from Colonia in Uruguay to Buenos Aires, landing in the area next to the city of Punta Lara. From there the network connects the city of Buenos Aires through the Buenos Aires–La Plata highway. In Argentina the network has a branch that goes to the city of San Luis, traversing the city of