The subway system in Paris is called the “Metro”.
With more than 300 stations on 16 different metro lines it is one of the best and most expanded subways in the world.
The metro lines are named by numbers 1 through 14.
The service of the Paris metro starts at around 5.30 AM in the morning and stops at around 00.40 AM in the night.
On Fridays, Saturdays and Sundays service is extended until around 01.40 AM in the night.
The metro does not run a fixed schedule but frequency between trains ranges from about 2 minutes during busy hours up to about 10 minutes.