The RER (Réseau Express Régional)is a vast network of commuter trains
that operate across the Ile-de-France (the Paris Metropolitan area). The system consists of five
lines, labelled "A" through "E". The RER system complements Paris' extensive
metro line system, which has 14 lines in total.
The RER system has 258 stations. The lines cover a distance of 587
km (365 miles). Single and multi-day passes can be purchased at most
stations. The costs of transit passes vary from 8,50 Euro for one day
with three zones to 47 euro for 5 days and all six zones. Transit
passes include unlimited use of the RER and metro systems.
For a comprehensive map and schedule information please visit the RATP
official website at:
http://www.ratp.info/informer/anglais/