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On Moderation
http://www.railwaycodes.org.uk/stations/barriers.shtm has code 73 as "Emergency ticket, not valid for travel at this station". What is an "emergency ticket"?
I would guess it'll be a "SILK" ( Stranded Individual Location Known ) ticket, if they still do those?http://www.railwaycodes.org.uk/stations/barriers.shtm has code 73 as "Emergency ticket, not valid for travel at this station". What is an "emergency ticket"?
Wow. It's taken me 25 years to find out what SILK meant!I would guess it'll be a "SILK" ( Stranded Individual Location Known ) ticket, if they still do those?
It's where someone is stranded with no resources and someone else pays for the ticket remotely through a procedure specific for the purpose. I would be very surprised if the resulting tickets were not encoded to be used only at the specified origin and destination.
A ticket issued as a result of a SILK arrangement is still a normal ticket, the difference is how it's been paid for.I would guess it'll be a "SILK" ( Stranded Individual Location Known ) ticket, if they still do those?
It's where someone is stranded with no resources and someone else pays for the ticket remotely through a procedure specific for the purpose. I would be very surprised if the resulting tickets were not encoded to be used only at the specified origin and destination.
Wow. It's taken me 25 years to find out what SILK meant!
In that case, we are no nearer to solving the OPs question are we?A ticket issued as a result of a SILK arrangement is still a normal ticket, the difference is how it's been paid for.
I would guess it'll be a "SILK" ( Stranded Individual Location Known )
It's taken me 25 years to find out what SILK meant!
What emergency were these supposed to mitigate?In APTIS days, stations were supposed to retain a stock of emergency tickets to their "Top 24" destinations.
They were issued in bulk with the date and price suppressed and they were validated with a date stamp when issued.
I'd guess LU had a similar arrangement.
Presumably a failure of the APTIS equipment.What emergency were these supposed to mitigate?
What emergency were these supposed to mitigate?
Correct. This was firmly back in the analogue era when a power cut was not assumed to be a cause for business interruption. These days it's accepted (however reluctantly) that if there's a power outage physical retailing gets suspended - not just on the railway but in the high street too.Presumably a failure of the APTIS equipment.
Correct. This was firmly back in the analogue era when a power cut was not assumed to be a cause for business interruption. These days it's accepted (however reluctantly) that if there's a power outage physical retailing gets suspended - not just on the railway but in the high street too.
The two main TIS will still function without mains power.Correct. This was firmly back in the analogue era when a power cut was not assumed to be a cause for business interruption. These days it's accepted (however reluctantly) that if there's a power outage physical retailing gets suspended - not just on the railway but in the high street too.
Is the correct answer.It sounds a bit like a "backronym" of a fairly arbitrary telegraph code to be honest! These very often are. Might not be, though.
There is an emergency OSI which can be set at any number of local stations and allows entry at any within 30 minutes of the exit, including re-entry at the same station. ITSO mostly won't be affected as they're usually travelcards, but I don't know what happens with KeyGo etc. Contactless will probably work the same as Oyster but the back office will be free to break the OSI if it can avoid incomplete journeys.I've no idea if there is an equivalent setting for Oyster