Thanks to the SACEM automation system (with dynamic blocks) you can have a train...

baku-fr 7 months ago | parent | context | favorite | on: London, Paris, Seoul Show Commuting Power of Fast ...

Thanks to the SACEM automation system (with dynamic blocks) you can have a train arriving at the platform while the previous one is departing, it's pretty impressive.

Here's an example... from 12 years ago: https://www.youtube.com/watch?v=oCj0yQacKVE

Nowadays these older trains have been deprecated and only double-deckers run the line.