CBD rail capacity myths: Loop tunnel usage, Stations served, the European solution

In this blog post I hope to address a few myths around Melbourne's rail system that I'm seeing floating around. The Loop tunnels have hardly any trains! I've heard from a couple of sources in the past week (one on mainstream radio) the claim that nothing needs to be done about rail capacity in the CBD, because trains only run in the tunnels every 10 minutes or so. It might be true in