'Losing' the Greenford Branch

[Meerkat]

Through traffic would be routed via Greenford East Junction and Park Royal to Old Oak Common West Junction so would not impinge on Greenford branch operations which would remain entirely independent of any Chiltern operation into OOC.

You misunderstand me. I meant that the through passengers that currently change at Greenford to use the branch to get to GWML destinations would mainly use the new Chiltern service to go to OOC instead , leaving the Greenford branch as an even worse basket case.

 

[JN114]

Are there not individual signalboxes for the arms of the triangle? It's been a long time since I saw a diagram of that area, but thought it was all mechanical AB.

No, and indeed there never has been.

Greenford East SB was formerly Greenford Station East SB - one of a pair of signal boxes either end of the GW station on the Old Oak - Northolt Line.

Greenford station east has almost always controlled the whole triangle, save a short period of time when Greenford East Jn had its own signalbox (Greenford East Loop SB)