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Longest length trains on preserved railways

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SeanG

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Having just seen a video of an 8 car DMUs lash up at Llangollen this weekend, I'm wondering which railway regularly has the longest train length? This may differ between narrow gauge railways, with their shorter coaches and standard gauge which predominantly use mk1s.
Thanks
 
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Iskra

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The KWVR have been running 7/8 carriage trains for their Railway Children theatre performances at Oxenhope. However, this was with Suburban stock so these carriages are shorter than standard Mk1’s.

The Embsay & Bolton Abbey Polar Express trains are the longest trains I’ve heard of on preserved railways, I think they are 12 carriages long with a loco at each end but somebody more knowledgeable will need to confirm?
 

kje7812

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Having just seen a video of an 8 car DMUs lash up at Llangollen this weekend, I'm wondering which railway regularly has the longest train length? This may differ between narrow gauge railways, with their shorter coaches and standard gauge which predominantly use mk1s.
Thanks
Severn Valley standard length is now 7. 8 was very common pre COVID.
If dining vehicles are attached, that service is often 8 or 9 coaches.
 

Magdalia

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Having just seen a video of an 8 car DMUs lash up at Llangollen this weekend, I'm wondering which railway regularly has the longest train length? This may differ between narrow gauge railways, with their shorter coaches and standard gauge which predominantly use mk1s.
Thanks
Lengths of run round loops and passing loops are key constraints on train lengths, especially when there is more than one train in operation.
 

david l

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ELR many years ago operated a 23 coach Mark 1 hauled train 'because they could'. Max. now tends to be 8 if diner attached to a service train, or Santas with 7 Mark 1 + CCT (Halloweens with 8 Mark 1) + 2 locos top and tailed.
 

zwk500

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Bluebell Railway can get about 7 coaches in most of their platforms even if it means drawing the engine off the end of the platform. However when visiting railtours are there I think the mainline sets (which are up to 11/12 carriages normally have to be stabled at Kingscote as that loop is longer than the others.
 

35B

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Bluebell Railway can get about 7 coaches in most of their platforms even if it means drawing the engine off the end of the platform. However when visiting railtours are there I think the mainline sets (which are up to 11/12 carriages normally have to be stabled at Kingscote as that loop is longer than the others.
I was on the trip immediately after reconnecting at East Grinstead, which was stabled at Horsted Keynes. That worked, but took a very long time to detrain us.
 

zwk500

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I was on the trip immediately after reconnecting at East Grinstead, which was stabled at Horsted Keynes. That worked, but took a very long time to detrain us.
I know some steam hauled trips have gone all the way to Sheffield Park to detrain, detach the loco for servicing but then the diesel on the back has taken the set back up to Kingscote for stabling on the day. Probably varies depending on the Bluebell's intended timetable, length of set and duration of stay.
 

158760

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Bluebell Railway can get about 7 coaches in most of their platforms even if it means drawing the engine off the end of the platform. However when visiting railtours are there I think the mainline sets (which are up to 11/12 carriages normally have to be stabled at Kingscote as that loop is longer than the others.
Most of the platforms will only take 6 Mk1 coaches, with East Grinstead being an anomaly at roughly 8 Mk1s. Sheffield Park Platform 1 can only take 5 1/2 Mk1s. Platforms will be lengthened to take 7 in the future where this is possible, but our standard service sets are only up to 6 Mk1s in length.

I do remember about 5-6 years ago there was a 12 coach train at Giants of Steam, top and tailed with ‘Britannia’ on the north end and ‘Mayflower’ on the south. Good times.

== Doublepost prevention - post automatically merged: ==

However when visiting railtours are there I think the mainline sets (which are up to 11/12 carriages normally have to be stabled at Kingscote as that loop is longer than the others.
They can be stored at Horsted Keynes or Kingscote without dividing, but you lose a line at whichever station it is.
 

zwk500

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Most of the platforms will only take 6 Mk1 coaches, with East Grinstead being an anomaly at roughly 8 Mk1s. Sheffield Park Platform 1 can only take 5 1/2 Mk1s. Platforms will be lengthened to take 7 in the future where this is possible, but our standard service sets are only up to 6 Mk1s in length.

I do remember about 5-6 years ago there was a 12 coach train at Giants of Steam, top and tailed with ‘Britannia’ on the north end and ‘Mayflower’ on the south. Good times.

== Doublepost prevention - post automatically merged: ==


They can be stored at Horsted Keynes or Kingscote without dividing, but you lose a line at whichever station it is.
Thanks for the info, it's been a while since I had a close look at the Bluebell - was mostly going off memory of their website from when I read most of it in COVID.
 

158760

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Thanks for the info, it's been a while since I had a close look at the Bluebell - was mostly going off memory of their website from when I read most of it in COVID.
Lots has changed since then and is still changing, hopefully you can pay a visit some time!
Lengths of run round loops and passing loops are key constraints on train lengths, especially when there is more than one train in operation.
Bringing this thread back towards the original question and not me on a tangent, this is the limiting factor for normal service - your longest train is the length of your shortest passing/run round loop. In regular service most railways will run 5-7 coach trains, as that is the perfect balance between too little capacity and empty seats. Some run even shorter than that.
 

Gwr12345

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When compared to Standard gauge coaches, the Welsh Highland must be up there. 10 coach formations, each coach about 14m, so 140m overall. That's about the same as a 7 coach mark 1 rake, not taking into account the much smaller track gauge (597mm compared to 1435mm)
 

Flying Phil

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The GCR did operate a 50 wagon freight train to celebrate it's 50 Anniversary in 2023, there was a 63 (?) wagon train run in around 1998 I believe. However, as others have said, it is usually constrained by run round loop length, so 6 coaches and 18 wagon freights are normal.
 

norbitonflyer

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Lots has changed since then and is still changing, hopefully you can pay a visit some time!

Bringing this thread back towards the original question and not me on a tangent, this is the limiting factor for normal service - your longest train is the length of your shortest passing/run round loop. In regular service most railways will run 5-7 coach trains, as that is the perfect balance between too little capacity and empty seats. Some run even shorter than that.
Technically, your longest train can be as long as you like, but no other train can be longer than the shortest loop. (I seem to recall that the aluminium trains on the West Highland are longer than the loops)
 

158760

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Technically, your longest train can be as long as you like, but no other train can be longer than the shortest loop. (I seem to recall that the aluminium trains on the West Highland are longer than the loops)
Technically, until it gets to the end and has to run round!
 

Waterlemon

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Severn Valley standard length is now 7. 8 was very common pre COVID.
If dining vehicles are attached, that service is often 8 or 9 coaches.
I think I recall an 8 or 9 coach Santa special + a kettle on the front and a diesel loco on the rear?
 

StoneRoad

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On a few occasions, back in the day [like AGM trains, or for rail tours] I recall the Festiniog hooking almost all the carriage stock onto two double fairlies ... not all of them were corridor cars, so there was a lot of locking & unlocking of doors !
 

stadler

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I am sure i remember that the West Somerset Railway used to run very long trains on busy summer days? I think i recall 12 coaches (or at least something close to that length) were common at one point?

Minehead has extremely long platforms. So they clearly had long trains in mind. No idea on the exact lengths but i reckon they may be able to fit more than 12 coaches. They are both very long but the one on the North side of the island in particular is a bit longer than the South side.

Another related question is which heritage railways have the longest platforms? Considering that heritage railway stock has no door locking (so no ability to prevent alighting on to the track) i presume they would not normally run trains that could not be fully accommodated for safety reasons?
 

kje7812

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.Another related question is which heritage railways have the longest platforms? Considering that heritage railway stock has no door locking (so no ability to prevent alighting on to the track) i presume they would not normally run trains that could not be fully accommodated for safety reasons?
On the SVR, Kidderminster is 10 coaches if the set is set back to the stops, 7 if in run round. The extension this winter will up that by 2/2.5 coach lengths.
As for running longer than platform lengths, almost all SVR trains are longer than the shortest platform, even discounting the two halts. Highley and Hampton Loade have 4 coach platforms. Hampton's down platform (to Bridgnorth) is even worse for that as the loco has to stop on the platform so really only 3 are on the platform. Fortunately Hampton is fairly quiet station on normal days. Highley is quite busy with the Engine House. The TTIs are expected to help guide passengers to correct part of the train and keep an eye on the coaches off the platform.
 
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Krokodil

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your longest train is the length of your shortest passing/run round loop.
Technically the second-longest train is the one which must fit the passing loops. Run-round loops can be solved using a second locomotive. I once took a ride on a West Somerset train formed of a combination of a standard coaching set and the Quantock Belle dining set, must have been a dozen coaches in total. Double-headed by the locos which had worked the individual trains to Minehead earlier.

The GCR did operate a 50 wagon freight train to celebrate it's 50 Anniversary in 2023, there was a 63 (?) wagon train run in around 1998 I believe. However, as others have said, it is usually constrained by run round loop length, so 6 coaches and 18 wagon freights are normal.
If we're counting the number of vehicles then the Ffestiniog's gravity trains have often amassed 60 waggons.

Considering that heritage railway stock has no door locking (so no ability to prevent alighting on to the track) i presume they would not normally run trains that could not be fully accommodated for safety reasons?
No, they handle it the same way that was still done on the national network until (I think) the end of HST operation on the Highland Chieftan. If there isn't a platform outside your door, you do not open it. With slam doors you have to lean out to operate the handle so the lack of a platform should be obvious, unlike when pressing a button for a power door.

I took that 12 coach WSR train to Doniford Halt!
 

kje7812

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No, they handle it the same way that was still done on the national network until (I think) the end of HST operation on the Highland Chieftan. If there isn't a platform outside your door, you do not open it. With slam doors you have to lean out to operate the handle so the lack of a platform should be obvious, unlike when pressing a button for a power door.
You would think so but personal observation suggests otherwise!
 

bramling

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You would think so but personal observation suggests otherwise!

Unfortunately this is something which will likely become an increasing issue as time goes on, simply as there are now whole generations of people who have no experience of slam-door trains.

I had a friend on the NYMR who tried the door handle of a moving train, and was utterly amazed to find the door opened. He said he assumed it was like door buttons on normal trains where the mechanism wouldn’t work when the train was moving.

It’s nostalgic to watch footage from the 80s where it was totally commonplace for all forms of user to do things like be out of the train and the door slammed shut before it had come to a halt in a station. Pretty much everyone did it. Nowadays virtually no one under about 25-30 will have any experience of all this at all except for preserved railways, and more so for people in areas where slam-door trains disappeared earlier.
 

Krokodil

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To be fair, most of people I've had to stop from alighting not on the platform have been a lot older than 25-30.
The 25-30 year olds will be looking around for the button and wondering why they can't find it. When boarding they may try the rubber stopper on the outside of a Mk1.
 

DJ_K666

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Most of the platforms will only take 6 Mk1 coaches, with East Grinstead being an anomaly at roughly 8 Mk1s. Sheffield Park Platform 1 can only take 5 1/2 Mk1s. Platforms will be lengthened to take 7 in the future where this is possible, but our standard service sets are only up to 6 Mk1s in length.

I do remember about 5-6 years ago there was a 12 coach train at Giants of Steam, top and tailed with ‘Britannia’ on the north end and ‘Mayflower’ on the south. Good times.
Oh man that must have been spectacular up Freshfield Bank.

There's a temporary wooden extension at Sheffield Park by the demonstration signal box which seems to bring the length up to 6 coaches. No ramp though (tut tut)
When I was there on the model railway weekend it was a pair of 6 coach trains plus the observation car shuttle. Wightwick Hall and Beachy Head on the service trains and Fenchurch on the shuttle. I got off the mk1 set at Horsted and had a look around and then went back to SP behind Beachy Head.

One of my travelling companions was shooting footage for a YouTube video and used a cube camera pointing out of the window, clipped onto the frame so she could sit down and get 'window hanging' footage of the journey without the danger.
 
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