National Route 8 (Spanish: Ruta Nacional 8) is a highway located in Argentina, that connects the provinces of Buenos Aires, Santa Fe, Córdoba and San Luis. The route starts at the link with National Route 9 in the northwest of Greater Buenos Aires, between the towns of El Talar, El Triángulo, Ricardo Rojas and Ingeniero Pablo Nogués, to the link with Provincial Route 55 in Villa Mercedes, San Luis Province at 695 km (432 mi). From Wikipedia
