Asfordby to be used to test air conditioned tube trains
On Mar 20, 11:24 am, "Recliner" wrote:
Does Tube Lines have a separate test track, apart from the 900m
signalling test track within Highgate depot or the fourth track at South
Is there the possibility for them to extend that track back through
the tunnel to highgate high level station if they wanted? Or would the
tunnel(s) require a refurb first?
B2003
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