On Sat, 6 Apr 2019 11:14:09 +0100
Robin9 wrote:
I certainly don't know but my guess is that only track servicing
trains are authorised in addition to the usual 378s. I'd like to know
if normal freight trains could use the route without damage.

Even if the track circuits allowed them, I suspect freight trains of any
significant length would seriously struggle on the Dalston and Shorditch
inclines.