Cercanías Zaragoza is the name given to the RENFE

RENFE

Renfe Operadora is the state-owned company which operates freight and passenger trains on the 1668-mm "Iberian gauge" and 1435-mm "European gauge" networks of the Spanish national railway infrastructure company ADIF .- History :The name RENFE is derived from that of the former Spanish National...

 operated commuter train service in and around the city of Zaragoza

Zaragoza

Zaragoza , also called Saragossa in English, is the capital city of the Zaragoza Province and of the autonomous community of Aragon, Spain...

, in Aragon

Aragon

Aragon is a modern autonomous community in Spain, coextensive with the medieval Kingdom of Aragon. Located in northeastern Spain, the Aragonese autonomous community comprises three provinces : Huesca, Zaragoza, and Teruel. Its capital is Zaragoza...

, Spain

Spain

Spain , officially the Kingdom of Spain languages]] under the European Charter for Regional or Minority Languages. In each of these, Spain's official name is as follows:;;;;;;), is a country and member state of the European Union located in southwestern Europe on the Iberian Peninsula...

.

There is currently one line, running from Miraflores to Casetas. Trains run once an hour off-peak, with extra trains in the peaks.
The second cercanías line, along with extra stations on the original line are in the process of being constructed.

Stations served by Cercanías Zaragoza

• Casetas
• Utebo
• Zaragoza Delicias (the main station, for regional, national and AVE
  AVE
  Alta Velocidad Española is a service of high-speed rail in Spain operated by Renfe, the Spanish national railway company, at speeds of up to . The name is literally translated from Spanish as "Spanish High Speed", but also a play on the word , meaning "bird".AVE trains run on a network of...
  
  services)
• Portillo
• Miraflores