Roland Perry wrote in
:

In message , Richard J.
writes
I think this assumed that Crossrail would not be segregated on any of
the branches except Shenfield.

Unfortunately Crossrail have taken down their consultation site with all
the detailed information, but IIRC there will still be fast trains to
Liverpool Street from Shenfield and Romford.

Is the proposal to segregate the trains on the Shenfield branch? Is that
by commandeering two of the existing four lines (which would surely
cause conflicts between Southend and Chelmsford trains sharing the
remaining two) or are they proposing to triple the tracks (an expensive
exercise especially through places like the Brentwood cutting).

The Shenfield service is pretty much segregated already: a few longer
distance services use the electric (=slow) lines between Liverpool Street
and Stratford, mainly due to the fact that there are simultaneous
departures (at xx.00 to Norwich, when Ipswich tunnel reopens, and Southend
and at xx.45 to Ipswich (currently diverted to Harwich) and Clacton).

Only on Sundays do fast trains to Romford use the slow lines.

This leaves the Maryland problem (note that Maryland does not appear on any
of the Crossrail maps ...)