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Circumvesuviana: questions and observations

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ABB125

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I recently spent some time in Italy, and travelled on Circumvesuviana (for th video, click my signature and look for 'Circumvesuviana trains in Italy').

I have some questions:
The track gauge is around 950mm. Why was this chosen? I don’t think it was to save on tunnelling costs, because the trains are just as wide as standard gauge.
Most of the trains were covered in at least some graffiti. Is this normal in Italy?
The line from Pompeii to Sorrento is predominately single track. There are lots of stations with passing places. However, some have two platforms, some have three platforms, and some have four platforms (with only one seemingly in use). Why is there so much variation?
On one journey, the train stopped outside a station with two platforms, just before the points. The driver got out of the cab, and unlocked a door so the guard could get out. I couldn’t see what was happening, but after about a minute, the guard got back in, and the train proceeded to the station. The guard then got out again, and walked along the track to the next set of points. He unlocked a trackside cabinet, removed an object (hammer?), and fiddled with the points, but didn’t change the direction they were set in. he then locked the cabinet. The train moved forward, stopped, collected the guard, and then proceeded on its journey. What was happening?

I also have some observations:
Acceleration: this was very quick, possibly the best I’ve experience (not that I travel much).
Braking: on approach to the stations, the train would arrive quite quickly, and then brake sharply.
Doors: these were opened by the driver about one second before the train stopped moving. People go on/off. The guard then closed the doors. Would this practice work in the UK?
Overgrown track: quite a lot of the track was overgrown. Is this normal?
Seats: these were moulded plastic, and surprisingly comfortable. Would British train operators adopt this type of seat?
Articulation: the trains were articulated. Is this common in Italy/rest of Europe?

See the attached images.
 

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johnnychips

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I've been on this railway about twenty times over four years, but perhaps not been as observant as you.

The graffiti is terrible in Naples absolutely everywhere.

The main objective on these trains, to me, is firstly to get a seat, and secondly to get one near a window. The heat can be unbearable as the air is so humid here in summer, even if it's only 30 degrees. I probably didn't even notice the seat was plastic.

I really don't like the humidity, but the number of local ladies wafting fans suggests it's not just me.

Afraid I can't help with drivers and hammers and acceleration!
 
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30907

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950mm gauge is not uncommon in Italy but I don't know why it was chosen.

The observations strike me as fairly typical for mainland Europe.

No idea about the operating procedures, but I'd hazard a guess that there's no fixed signalling or interlocking and some form of telephone block, rather like the line on which there was a dreadful head on crash recently.
 

axlecounter

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The Circumvesuviana should be all in CTC, which is a typical italian form of centralized signalling. What you have probably seen is the guard is taking a remotely-locked special key, normally used when points need to be manually turned.
 

ABB125

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The Circumvesuviana should be all in CTC, which is a typical italian form of centralized signalling. What you have probably seen is the guard is taking a remotely-locked special key, normally used when points need to be manually turned.

OK, although I'm still pretty certain that the points didn't actually change direction
 

axlecounter

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OK, although I'm still pretty certain that the points didn't actually change direction

Could as well have been something else, I don't know very well their system. It could have been simply that the signal wasn't opening because of an uncertain point position, so the guard had just to verify that the points were effectively set for the desired direction, and extracted the said key just for whatever reason (safety, procedure...)
 

Blillpers

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I don't know about this line or Italy in general, but there is a similar procedure here in Sweden, altough we only do it for freight trains and empty stock.

Some points which are seldomly used may be locked in their normal position. When the diverging track is needed, for example for accessing a siding, or more rarely, to permit two trains to meet, the signaller will release the K16 key (there are also Keys K1 all the way to K15, but never mind these!:lol:) and the guard or driver can retrive it (it could also be taken out from the signal box, although this is getting more and more rare as most boxes are closed in favour of CTC). It is then inserted into the point, and can't be returned until the point is replaced to its normal position. This also prevents all signals from being set to a clear aspect. Simple, but safe and means you can run two trains without having a staffed signal box where they will meet. The only downside is when someone remembers to return the points, but forgets to actually returning the key, leading to the signals being stuck at danger, with no way of getting the point back in control (without locating the key, of course). That is when things start to get embarrassing... :lol:
 
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ac6000cw

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I don't know about this line or Italy in general, but there is a similar procedure here in Sweden, altough we only do it for freight trains and empty stock.

Some points which are seldomly used may be locked in their normal position. When the diverging track is needed, for example for accessing a siding, or more rarely, to permit two trains to meet, the signaller will release the K16 key (there are also Keys K1 all the way to K15, but never mind these!:lol:) and the guard or driver can retrive it (it could also be taken out from the signal box, although this is getting more and more rare as most boxes are closed in favour of CTC). It is then inserted into the point, and can't be returned until the point is replaced to its normal position. This also prevents all signals from being set to a clear aspect. Simple, but safe and means you can run two trains without having a staffed signal box where they will meet. The only downside is when someone remembers to return the points, but forgets to actually returning the key, leading to the signals being stuck at danger, with no way of getting the point back in control (without locating the key, of course). That is when things start to get embarrassing... :lol:

It's similar to the remotely-released 'ground frame' scheme that is sometimes used in the UK in the same situation (except that there is no key to forget to return), or remote-released single-line 'staffs' to access dead-end branch lines etc.

I travelled on the Circumvesuviana a few years ago - I was aware it could be a bit grim, it lived up to expectations... (loved the Roman ruins at Pompeii though). It appeared to be signalled using some form of CTC, as far as I remember.
 
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