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BTP Lancashire tweeter earlier about this: https://twitter.com/btplancs/status/1646542708553531394?s=46&t=MQaeq3UsgChhganq6NZ3iA

Assuming both parties are aware that an emergency call is happening (which if their direct call is interrupted they should be) then the simple answer is that it ends the movement authority for both trains. When the emergency call is complete the signaller can authorise movement again. Not ideal...

I think that establishing communication between reversing and assisting drivers is probably the easiest of the many problems with this idea to solve. AIUI, they couldn't use GSM-R to do it today, but the system has the capability to allow a direct voice connection between two units which could...

When the solution to Risk A creates a new Risk B you need to weigh up which risk is greater and then account for possible mitigations for Risk B, which in turn may introduce Risk C, and so that and its mitigations need to be factored in. Then you factor in that as Risk A no longer exists, a...

I expect that getting a video signal from one end of the train to the other reliably in all circumstances would be tricky. Most freight trains don't have any sort of electrical connection from one end to the other, so it would need to be wireless. It's much to far for wifi or bluetooth, 3G/4G/5G...

https://art.tfl.gov.uk/labyrinth/ has the list in station name order - click on the station name in the column on the right. The photos on each page show the number and (at least usually) the location in the context of the station. @bluegoblin7 has a spreadsheet they've shared with me that has...

Yes, but given that Crossrail was allowed to be built with platforms that guarantee level access will be unavailable at all platforms until fleet replacement at the absolute earliest, don't expect long term to mean anything other than very long term. Even in an ideal world, I would be surprised...

This is how it is currently meant to work, and (judging by the rarity of the action in this specific case) generally does work: if a police officer is found guilty of gross misconduct then they are sacked unless there are some extremely strong mitigating circumstances (I don't know what they...

Fitting in platforms like this would certainly be more challenging than just rebuilding the existing platforms, but that doesn't necessarily mean it's impossible (and if only certain stations are tricky then one or the other service could skip them). The Watford DC shared platforms are I...

Other, possibly more realistic, options for shared stations are platforms on both sides of the train (mainline stock would open the doors on e.g, the left hand side and tube stock on the right) or double-length platforms with a ramp in the middle (I believe this what is used in Rotherham for...

This is exactly the same as what happens regarding self-detrainment outside of stations - every passenger who is physically capable of doing so will self detrain at some point. The only things the railway can do is to either (a) get them to their destination before that point, or detrain them in...

Either by mistake or by someone thinking that it would enable them to get out quicker - most likely someone who is impatient, able bodied, reasonably fit, unfamiliar with how high platforms actually are and not thinking of/aware of the risk from a train entering the platform before they vacated...

At least part of the reason for the DLR extensions costing significantly more is that they were built to a much higher capacity than the original system. Tower Gateway, Island Gardens, Pudding Mill Lane, Stratford and South Quay stations have all be completely rebuilt for capacity reasons -...

And given that the whole line is overdue a complete resignalling, TfL aren't going to spend money they don't have on fixing something that isn't guaranteed to fix a problem that isn't necessarily anything other than a statistical blip.

Sorry, I worded my post badly. I meant that when considering what action to take, in order for contacting the guard to be one of the options they would need to know there was one on board to contact.

The signaller has to know that the service has a guard and know the guard is on the train, and know that they have the ability and authority to use the PA to contact them indirectly; or they can contact the driver of an approaching train directly. In this instance the signaller decided to...

From the RAIB the relevant timings are: 20:22 - train departs West Worthing station 20:25 - train arrives in siding 20:25:25- 20:26:04 - driver walks through train 20:41 - signaller clears route from siding, presumably at the booked time 20:49 - guard is contacted 20:53:50 - driver of second...

I think there are a good number of Crossrail engineers, as just one example, who would disagree with that.

I know in the early First Great Western days a 143 did Cardiff to Penzance. When FGW took over the local services from Wessex Trains there was a period when the attitude seemed to be that any DMU was interchangeable with any other DMU so we got things like 158s on the Taunton-Gloucester stoppers...

I would expect that will depend on who owns the bridge, the land that has slipped and whether something like road maintenance caused or contributed to the slip. If there has been a bridge at this location since the railway was built then it is most likely Network Rail who own it, if it...