EFE provides suburban rail service under the brandname of Metrotren. There are 2 southbound routes. The most popular is the Metrotren Nos service, between the Central Station of Santiago and Nos station, in San Bernardo. This line, inaugurated in 2017, serves 8 million people per year, with 12 trains serving 10 stations with a frequency of 6 minutes during rush hours, and 12 during the rest of the time. The other route is the Metrotren Rancagua service, between the Central Station of Santiago and the Rancagua station, connecting Santiago with the regional capital of O'Higgins.