@cstross @forestpines @http @julf @marcas @tml @SteveJonesnono1

With modern signalling systems, you can run a train about every 3 minutes or so. Assuming you already have a double track line. Bringing the signals into the 21st century is a damn good start. I'm not (yet) calling for every 90 seconds for a train. Every 15 mins is my minimum start point.