(09 Oct 2021, 9:42 pm)Train8261 wrote Main problem I'd say is the X1 & 4 as they are usually at Washington Galleries at the same time

That was originally (and maybe still) deliberate, as it allowed for quick connections to Newcastle on the X1 with the 4 acting as a feeder.

It just doesn't work properly in practice and ends up in a bottleneck.

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