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    Tallest UK Railway Signal

    One of the tallest I can recall was on the Up East Suffolk at the London end of Beccles station. It was a wooden co-acting signal, designed so that trains approaching the station from Lowestoft around the curve.could see the aspect above the stations buildings and footbridge. In it's latter...
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    Two trains on single track

    Many years ago, in BR days, there used to be an intermediate tablet instrument point and home and distant signals in both directions at Berney Arms. It split the Reedham - Breydon Junction single line into two sections, so, yes, it can be done and has been done. I don't remember it being used...
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    Eurostar E300 replacements?

    Whatever train is choosen it will need to meet the quite stringent fire requirements for operation through the Channel Tunnel. Not many existing HS trains do that.
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    Questions about Norwich-Lowestoft

    Then it's probably GSM providing internet for the departure board - it's not as if it's going to be constantly changing - and VoIP for the help line.
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    Questions about Norwich-Lowestoft

    A quick look on Google maps confirms that there is no pole route now. At a guess, there is now internet around Berney Arms, either by GSM, Microwave or possibly BT cable. Probably extends to the houses and pub by the pumping windmill. Don't think NR has cabled between Berney Arms and either...
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    Questions about Norwich-Lowestoft

    I don't think there is a telegraph pole route between Reedham Junction and Berney Arms now so there can't be any wires between the bridge and where the phone box was.
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    Questions about Norwich-Lowestoft

    No, technology has moved on, there's no need for physical lines to telephones now that mobile phone technology has taken over.
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    Questions about Norwich-Lowestoft

    " To the East of Reedham station there is a run of splendid telegraph poles with large numbers of crosspieces ..... " They are known as Arms. The normal, 4 position arms are 48" but there is often a top arm of 60" which can accommodate 6 wires, the outer two being power supplies for the...
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    WCML slow lines - upgrade to 125mph?

    There is the matter of trackside safety to consider. Up to 100 MPH you need a 1.5M safe cess, above 100mph you need 2.0M. A full risk assessment would be needed to see what infrastructure changes would be necessary or where maintenance access would need to be restricted and special arrangements...
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    25KV over Woodhead.

    Changing from DC to AC electrification requires changes to the immunisation of Signalling and Telecommunications systems also. Modern resignalling systems usually make provision for AC electrification so if somewhere has recently been resignalled it's quite possible that electrification costs...
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    Analogue clocks on station buildings and other features - why only in Europe?

    Norwich has an analogue clock on the outside of the station cupula, but it's also a listed building so it's not likely to be converted to digital. It was originally a mechanical clock, made in Norwich, but the movement was changed in BR days. The original movement was given to a local museum.
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    How to mitigate the effects of stranded trains in future incidents

    Bit of a problem on a Crossrail train!
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    How to mitigate the effects of stranded trains in future incidents

    If I remember correctly - and it's a very long time since I had anything to do with it - On Train PA announcements can be made via GSMR. So those equipped with the right equipment in signalling centres or the like could make announcements directly to the train, assuming there is still enough...
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    Slower HS2

    One thing that may vary with higher speeds is the design of the catenary system. Pantograph interface with the OHEL is critical at higher speeds. There are standard designs that work well for the current HS lines but if you want to go faster the designs may need to be revisited - which costs money!
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    Virgin set to propose new cross-channel service

    For anyone wanting to run additional trains via Eurotunnel there are a number of problems to be overcome. Platform capacity at St Pancras is limited, to expand it would be incredibly expensive, but maybe something at Euston would help the problems there? But wherever you go in the UK you have...
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    Who will help those with limited ability to walk to be able to board the trains in the future?

    I would think one of the best things to do would be to ask your Train Operator how they intend to comply with the requirements of the Equalities Act for your particular station. They have a legal requirement to do so and should be able to tell you what their plans are. The long term answer is...
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    Cambridge Area Signalling Renewal

    Well, at a guess, the current ground floor equipment room (Signalling) and first floor equipment room (Telecpmms) will still have quite a lot of operational kit in them, so it's just the operating floor that's likely to become vacant. Maybe a few Hot Desks for staff who don't actually need to...
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    Trivia : UK counties with no 100mph+ line speeds

    No 100MPH + in Norfolk, Suffolk I was going to say Essex but I'm not sure about HS1 speed there. But there is 100MPH.
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    PA system - high volume

    If you have decided to go the Council complaint route then the one thing to do like is information. I have an App on my Iphone called Decibel X which is available via the App Store, it enables you to take sound level measurements where ever you want but if you take them at the same place, e.g...
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    PA system - high volume

    From the limited information given, it would be better if there were a number of lower powered speakers positioned around where the lighting columns are which are positioned so that they are the platform side of the columns pointing towards the platform edge. Nobody will want to do that because...

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