Welcome to St Albans Signal Box - Garden Tour

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Our chairman provides a tour of our railway garden, signals and signs. Located in the car-park outside platform four at St Albans Station and opened in 2009 after a six year rescue and renovation effort by local residents, the signal box has provided a free visitor attraction of interest to railway, heritage enthusiasts and families with all the generations. Everything from technical detail on how railways are run to the garden were toddlers can safely watch the trains fly by or chase Thomas the Tank Engine up and down the garden path. Teas, souvenirs, memberships and donations are what keeps us going.
The garden has signals and a point that visitors can operate as well as simulations of how colour light signals are used in the modern railway. There are also replica telegraph lines and signage from the victorian to the modern era.

Опубликовано:

5 авг 2024

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Комментарии : 11

@Luigi-uj5ml 10 месяцев назад

Good evening, some single track museum railways in the United Kingdom are still operated with staff or token blocks although all their stations are equipped not only with home signals but also with departure signals (generally "railway semaphore signals" with arms positioned at 45º in the dial lower or in the upper quadrant to communicate to the driver that the way is clear). It is therefore not clear to me the need to have a staff or token block in the presence of starting signals. In other words, the signals that authorize the sending of trains in the opposite direction along the single track section could not be interconnected with each other in order to avoid head-on collisions as well as pile-ups as happens on double-track lines equipped with "Absolute block" ? If I remember correctly, the intermediate railway stations of the lines operated with the "Radio Electronic Token Block" do not have departure signals, except the "Stop Board". Grateful for the attention given to me, I would like to take this opportunity to extend cordial and sincere regards

@sigbox 10 месяцев назад

Hi - thanks or your question about why single line working uses tokens or staffs rather than just signals to control movements between blocks. A token or staff is used because it provides something physical that has to travel between the start and end of a route. The machine that issues a token is interlocked with the machine that will receive it. Until that token has been received no more tokens can be issued. The use of a physical object as part of the interlocking is safer than relying on information alone. Hope this helps - this is a big subject and my explanation is far from compete really!

@glloyd1987 2 года назад

Looks like a brilliant little place you've all managed to save there! If I should ever venture anywhere remotely near, I'll be sure to come check it out. Blessings to you

@sigbox 2 года назад

Thanks for the kind thoughts ...and a merry Christmas to all.

@sigbox 2 года назад

Hi there and thanks for the question. The green lever on the four lever ground frame, would be used to let the signaller (who is in the signal box and therefore some distance from the ground frame) know that the ground frame is going to be used. The interlocking is arranged so that when the green lever is is pulled off, the red lever that operates the signal can be pulled off and then the black lever that moves the point can be pulled off. The point (black), signal (red) and signaller indicator (green) are returned in reverse order. Hope this helps answer your question. You can alo contact us at our web-site if you would like more information. Thanks again.@vikinglaws fan channel

@homeofthegnome 2 года назад

@vikinglaws fan channel The game sounds like fun - do let us know how you get on - good luck.

@sigbox 2 года назад

yes - Yapton Crossing is great place to start with simulators. The trustee who built our simulator also thinks that the other blockpost simulations are good. Also there is PC-Rail Simulations, This is another example with a mixture of mechanical Signalling and power boxes. He thinks you get a certain time free as a demo, and then it's paid for. There is Great Cockrow Railway which has free simulators for the three signal boxes. This is a miniature railway that is fully signalled, but is not modelled on anything in real life. The point of any simulator is that you are the signaller, so you need to know what you are doing! John Hinson's website signalbox.org has a good explanation of the block system for mechanical signalling, and lots of other stuff on signalling. hope this helps you enjoy signalling!

@reubcom4040 2 года назад

Hello I'm a volunteer signalman in Australia. I noticed you pulled the red lever before changing the points understandably In compliance with the interlocking of the ground frame, however I understand that lever movement to be clearing a signal for a train before the points are changed which normally doesn't work. Is there a reason for this? I look forward to hearing from you.

@sigbox 2 года назад

Thanks for query not many visitors pick that up. The ground frame came from an avoiding line at Leicester Station and was used to control access from a small siding that normally contained a tamper. When the tamper was needed the green lever was pulled to notify the signalman that the frame was in use, it was out of his sight line. This released the red lever which was used to block the avoiding line so that the points could be moved with the black lever to allow the tamper out. I assume this was a local fix for an unusual problem. Tony Furse - Chairman

@reubcom4040 2 года назад

@@sigbox Thank you kindly, if ever you find yourself in south Australia come say hello at woodville signal box at the NRM Adelaide, Kind regards Reuben.

@Luigi-uj5ml 10 месяцев назад