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Class 484 replacing class 483 on the island line: progress updates

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trainmania100

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Quick screen grab from Facebook after putting "Long Marston" in the Facebook post searchbar
Definitely look shallow in terms of height like the 483s
 

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DavidGrain

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The 483s were Tube trains. The 484s are ex Sub Surface trains which are much bigger.
 

Chris125

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Quick screen grab from Facebook after putting "Long Marston" in the Facebook post searchbar
Definitely look shallow in terms of height like the 483s

484s/D78s are significantly taller than 'deep tube' stock like the 483s, though not quite as tall (or long) as typical mainline stock - hence their suitability.
 

trainmania100

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Unsure if this is the only progress they've made so far or if there are some nearer-completed units in the workshops, they do look quite a few months away from completing, I guess covid hasn't helped the situation.
I bet swr are desperate to get their hands on them with their failing 483s
 

DavidGrain

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The general opinion is that Vivarail will start the build of the 484s in their new premises after they have completed the 230s for TfW which means that they will still have the upheaval of the move to come first.
 

pompeyfan

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Recently been informed that the plan is now likely to be the 484 will be railed at Haven Street and towed to Ryde St John’s road, with a temporary switch at Smallbrook Junction.
 

Bob Price

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Isn't there a lot of rail upgrading to do before they arrive including sorting the tunnel out.
 

Chris125

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Isn't there a lot of rail upgrading to do before they arrive including sorting the tunnel out.

They fit through the tunnel, the principal gauging issue is Smallbrook Lane overbridge - it was reported some weekend closures were needed this summer but no sign of them yet.
 

Rick1984

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Is anything being done at Ryde Esplanade, as that is a very tight curving platform? I imagine the middle doors might not be able to open due to the gap
 

trebor79

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They fit through the tunnel, the principal gauging issue is Smallbrook Lane overbridge - it was reported some weekend closures were needed this summer but no sign of them yet.
When I travelled on the line on Thursday, there were some notices up at Shanklin about weekend closures, I think one was the weekend just gone or possibly next weekend. I didn't pay much attention as it was just a one-off day trip for me.

Have to say I'm surprised a D78 will fit through Ryde tunnel.
 

Chris125

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D365

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All measured apparently before they ordered.

There was at least 18 months of discussion before the first public announcement. So it would be a bit embarrassing if they got it wrong at this stage ;)
 

trebor79

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Oh yes I remember the discussion and I'm sure it's all been measured. But sat as a passenger and seeing the tunnel walls very close to the window at times I'm surprised they fit.
Mind you, it wouldn't be the first time something's been measured wrong!
 

Bayum

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Why has the island line been forced to continue with this stock? Is it so far out of the way and isolated that it doesn’t ‘deserve’ investment?
 

trebor79

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More that it has the highest per-passenger-mile subsidy on the network, so spending on it is hard to justify.
Undeserving then.
From what I saw last week there is absolutely zero revenue collection being done. I didn't see a single other person buy a ticket, or see a single person tap in with a smart card.
From what I saw, it's a free service for local people, or indeed anybody.

The steadily declining passenger numbers also suggest that fewer and fewer are bothering to pay.
 

Domh245

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The restricted loading gauge also doesn't help - there's a reason that the last 2 fleets on the island have been ex tube (deep level) stock - 'normal' cascaded (or new) stock won't fit - as it is the 484s (physically bigger than the previous fleets, smaller than most mainline fleets) are the best they can get at the moment, the only recently released tube fleets were in the early 2010s and were designed for automatic train operation, which would have made their use on the Island tricky!
 

pompeyfan

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Revenue is a free for all at the moment due to SWR policy being no on board ticket checks. Most stations also don’t have TVMs from memory. They’re relying on passenger good Will to buy at the few TVMs on the network or using mobile tickets.
 

jopsuk

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Why has the island line been forced to continue with this stock? Is it so far out of the way and isolated that it doesn’t ‘deserve’ investment?
by this point I think it counts as tradition, this is third generation of ex-LU stock
 

DavidGrain

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Why has the island line been forced to continue with this stock? Is it so far out of the way and isolated that it doesn’t ‘deserve’ investment?

We know that the Island line has a restricted loading gauge because of the tunnel and also possibly as someone has mentioned above the Smallbrook bridge.
Therefore we know that standard UK rolling stock cannot be used. So what are the alternatives
1) Build a very small fleet of non-standard trains which will fit the loading gauge with all the fixed cost that would entail for just five trains
2) Scrap the line
3) Refurbish existing stock from elsewhere for further use

The first option is not financially viable on any business case assumptions
The second option would have been justified in 1965 but we have moved on from the thinking of those days
The third option is the only viable alternative and the stock is available so lets use it.

I have noticed among the comments on this thread a feeling among some answers that the writers have an antipathy toward this stock whatever the justification for using it. I have ridden on the class 230 versions on the Marston Vale line and the 230 units for Transport for Wales are tested on my local line. Quite frankly the users of the Island Line when they see them and use them will think that these are brand new trains and will be glad of them.

So can we please stop the carping about them until you have experienced travelling on them. Hopefully the track will be in a better condition than it was when I last travelled on it. At one point I was lifted out of my seat and then slammed back down and I can assure that was painful.
 

Mikey C

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We know that the Island line has a restricted loading gauge because of the tunnel and also possibly as someone has mentioned above the Smallbrook bridge.
Therefore we know that standard UK rolling stock cannot be used. So what are the alternatives
1) Build a very small fleet of non-standard trains which will fit the loading gauge with all the fixed cost that would entail for just five trains
2) Scrap the line
3) Refurbish existing stock from elsewhere for further use

The first option is not financially viable on any business case assumptions
The second option would have been justified in 1965 but we have moved on from the thinking of those days
The third option is the only viable alternative and the stock is available so lets use it.

I have noticed among the comments on this thread a feeling among some answers that the writers have an antipathy toward this stock whatever the justification for using it. I have ridden on the class 230 versions on the Marston Vale line and the 230 units for Transport for Wales are tested on my local line. Quite frankly the users of the Island Line when they see them and use them will think that these are brand new trains and will be glad of them.

So can we please stop the carping about them until you have experienced travelling on them. Hopefully the track will be in a better condition than it was when I last travelled on it. At one point I was lifted out of my seat and then slammed back down and I can assure that was painful.
The D78s in the condition they left London in were already a massive step up from the 483s.
 

trebor79

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We know that the Island line has a restricted loading gauge because of the tunnel and also possibly as someone has mentioned above the Smallbrook bridge.
Therefore we know that standard UK rolling stock cannot be used. So what are the alternatives
1) Build a very small fleet of non-standard trains which will fit the loading gauge with all the fixed cost that would entail for just five trains
2) Scrap the line
3) Refurbish existing stock from elsewhere for further use

The first option is not financially viable on any business case assumptions
The second option would have been justified in 1965 but we have moved on from the thinking of those days
Thread drift, but I've never really understood why instead of closing all the railways on IoW, they left this truncated stub. Was it just about distributing summer holiday makers down the east coast of the island?
It just doesn't seem to serve much purpose as a transport system. It is lovely to ride on though. Should get a better view out of the windows with the new stock too!
 

Clarence Yard

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It was the inability to shift by bus the then large number of holidaymakers to Sandown and Shanklin that saved the line.

The files in the National Archives show the train by train loadings for various days of the week in various months in 1963 and the summer saturday loadings were bonkers busy, several hundred on each train for several hours of the day. In winter, apart from the Sandown schools train, they were largely pathetic - a bus would have been adequate.

Unfortunately Ventnor missed out on the recommendation but it didn't have nearly the same traffic level as Sandown or Shanklin and was already declining as a destination in the early 1960's. When it did feature, the cost of a new sub station was too much for BR to consider retention.
 

trebor79

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Thanks for the potted history. I understand that Ventnor station was also quite inconveniently sited for the town and sea front, at the top of a steep hill.
 
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