Interesting. Oxford Circus (Victoria Line only) - trapped underground for the time being.

Tottenham Court Road from the south. Underground naturally but tunnelling past [LotUS]

Shall go with Gram's Conjunction and slip through the shadows to Marble Arch

I'll play the Schizoid Tangent with... Highgate, which became Archway (Highate), then Highgate (Archway) to end up as Archway...

And, I note, implicitly invoking the Piccadilly Ruling. Just as well I'm not trying to shunt from Ealing Broadway or we could have another Moon Over Morden incident. As things stand, Essex Road, de-quanging.