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I'm sorry you've not had your tickets resolved yet - there's a backlog of them for me to go through, and I'm having to prioritise them accordingly. But now the COVID vaccination programme has almost wound down, I'll be spending less time in clinics and hopefully more time working on the website.

You can also email [email protected] and get a quicker reply than posting here :)

All ARS does is set a route - TRUST derives actual platform from berth interpose/step/cancel operations reported to it from a separate system called SMART. A rather large lookup table contains a mapping of these 'moves' to a STANOX and platform, and these are reported to TRUST. I'm not sure...

I run OpenTrainTimes, and it doesn't currently use Darwin. It will do soon, as I'm actively working on switching over to using Darwin for passenger services and overlaying non-passenger services from TRUST.

If you mean signalling control tables (as opposed to train describer stepping control tables), then electronic copies are likely to be held by the signalling design company, and NRG provided with printed copies as per signalling contracts. I was asked to look at a project several years ago to...

I'm working on the diagram right now actually. I've taken a bit of a break to concentrate on projects which bring in the money so I can pay rent and bills. Hopefully I'll have the updated diagram out tomorrow afternoon.

As explained above, not all train describers support sending out data which includes signal aspects and route indications. Wembley Mainline, for example, doesn't - but the Watford WestCAD which covers Wembley Central to Kings Langley. They're entered automatically by the Waterloo ARS...

There's nothing TRUST-specific trackside. TRUST uses TD berth data where the train describer reports to a system called SMART. TRUST works off berth operations, as well as GPS movement reports and manual inputs. For an auto-reporting point, the TRUST arrival or departure will be based on...

According to a map I drew at https://www.opentraintimes.com/maps/signalling/nkl1#T_HTHRGRN, all lines blocked through Hither Green, which is quite bad.

Thanks for your help - I ended up going only to Brighton as many of the Ashford - Hastings services were cancelled!

What is the cheapest walk-up ticket(s) which will let me travel London Terminals - Hastings - Brighton - London Terminals off-peak on a weekday? I want to visit both Hastings and Brighton, in that order. My routeing guide fu is weak! :(

Where did you read it?

Guildford's covered - see http://www.opentraintimes.com/maps/signalling/guildford The reason the whole country isn't covered is because I draw every single map by hand and it takes a long time to get them correct.

It's trivial to say it's trivial, but it's not quite that easy in practice. There are a number of difficult problems to work around - for example, descriptions being cancelled and re-interposed rather than stepping, trains starting or running through non-TD areas, and a multitude of different...

Do you think there's any reason platform numbers aren't displayed until they're confirmed? I think it's to stop people from crowding around a platform entrance before a train's ready for boarding and also to protect against last-minute platform alterations and set swaps where the train...

VSTP is another mechanism for pushing through a schedule - which can be either a VAR, an STP, or a cancellation. Schedules that come through the normal timetabling process, including the STP process, are validated by ITPS. Those that come through via VSTP aren't.

That's completely correct - the "Class 170" timing load has a maximum speed of 100mph, and the "Class 150, 155 or 156" has a maximum speed of 75mph. It's come up time and time again, but "timing load" isn't the *booked* stock.

Thanks to Rockshore, OpenTrainTimes is now back :)

No, it probably won't be - I had to look through a bunch of CIF files by hand to find this out, as it's the closest thing I can find to an audit trail. Network Rail /might/ respond to an FoI request for the history of that specific schedule UID in ITPS, or another industry body may have an...

I've had a look back through some archived data: * There was a cancellation (CAN) schedule in for Y87256 (1H78) on 31st December 2013, as the schedule was auto-called through TRUST and then cancelled with reason code 'PD' * This schedule first appeared as a WTT schedule on 3rd October...