Want trains to continental Europe from Stratford? Here's how

So Sadiq Khan says getting international trains at Stratford International in East London is within "touching distance" in an article in City A.M. this morning (full article here). OK, so the Mayor of London wants it, and is saying so, which is important. But the article written in his name says very little about how to actually do it.So let's have a go at that aspect.The station is a sunken concrete box, with tunnels at both ends, and a single track on a bridge rising through the middle to access Temple Mills depot. There are two platforms on the outsides (north and south) that are 400m long and were foreseen for international services and currently stand unused, and two shorter platforms (c. 300m each) in the middle that are currently used by Southeastern Javelin services from St Pancras to Kent, using HS1.View over the tracks at Stratford International, looking east. From left to right: unused eastbound international platform and track, high speed through track, domestic track with…