The Salta-Antofagasta railways passes through a plateau, what percentage of which is in Chile?
Salta–Antofagasta railway The Salta–Antofagasta railway, also named Huaytiquina, is a non-electrified single track railway line that links Argentina and Chile passing through the Andes. It is a railway with a total length of 941 km (571 in Argentina and 330 in Chile), connecting the city of Salta (Argentina) to the one of Antofagasta (Chile), on the Pacific Ocean, passing through the Puna de Atacama and Atacama Desert.
San Pedro de Atacama Airport San Pedro de Atacama Airport (Spanish: "Aeropuerto de San Pedro de Atacama" ) (ICAO: SCPE) is a high elevation airport serving San Pedro de Atacama, a town in the Antofagasta Region of Chile. The airport is 3 km east of the town.