These connect with Mainline services which operate at a frequency of between 10 and 30 minutes.

The fast Crossline services operating at a frequency of 30 minutes.

The 29 and 29A combined operated at a frequency of 30 minutes.

Most peak routes have a frequency of 30 minutes between stops.

A control and signaling system was to allow frequencies of three minutes between cars.

Trains run at an average frequency of three minutes during peak days.

They have a frequency of 20 to 60 minutes.

The journey time is 30 minutes, with a frequency of about 20 minutes.

The four routes, which operate between 6 am and midnight every day, run at a frequency of 10 to 20 minutes.

Other sections are operated with frequencies of up to 30 minutes.