London Banter - View Single Post - Southern Metro platform extensions (was TfL grant LOROL 2 year extension)

[email protected] · February 26th 13, 08:35 PM posted to uk.transport.london

In article , (Roland Perry)
wrote:

In message

, at 09:36:55 on Mon, 25 Feb 2013, Neil Williams
remarked:
SDO is normally used to allow one set of doors to be off the platform,
not an entire coach at each end.

SDO is presently used at Bletchley for 4 cars (a whole unit) off the end
of the 8 car platform on a number of trains. The platform is being
extended, but it has been used in that manner for well over 2 years.

Until they recently lengthened the platform, northbound HSTs stopping
at Loughborough had the rear three coaches locked out, and the front
three southbound. That's for decades.

They also used SUO (selective unit opening - I just made that up) on
the rear unit of some 4+4 (or maybe 5+5) Meridians between Nottingham
and Loughborough southbound in the morning each hour, opening up the
rear unit for the first time at Leicester.

Infamously, Meridians (like Voyagers) don't have a corridor
connection between the two units.

Some FCC slows from Cambridge to the Cross do that, even using 317 units
that do have corridor connections. An 8-car leaves Cambridge with the back
unit locked out and stops at stations to Royston with only the front 4-car
unit occupied. At Royston they open up the back unit.

--
Colin Rosenstiel