>>1736894>for interchange with the GWML and Crossrail, and possibly a Heathrow link and the TubeThe Heathrow link is via Crossrail, and means that travellers from the south-west (Bristol, Swansea etc) can get to Heathrow via rail without having to head into central London first and double-back.
Interestingly, one of the arguments about not having Eurostar call at Stratford International was that it'd be awkward to have the train stop just six, seven minutes away from London. But that's exactly what's happening with Old Oak Common; every train that serves Euston will also call at OOC as well.
