The signalling system in general seems to be very slow about identifying problems and trying to work around them. It should be far quicker to spot, "Okay everythings stuck behind train X. It's obviously going nowhere. Here are gaps on the opposite line that train Y can fit through."
I don't think we should be turning everything over to the computers, but the point of information systems is to give the human controllers options and aid them in making decisions to resolve the problem quickly.
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