The Anonymous Widower

Chiltern Sets Out New Fleet Ambitions

The title of this post is the same as that of an article in the September 2023 Edition of Modern Railways.

These are the first three paragraphs.

Chiltern Railways deserves to be the next operator to order new trains, its Managing Director Richard Allan has told Modern Railways.

On 7 August the operator published a tender notice seeking proposals for the supply of between 20 and 70 new or converted low-emission trains. This followed the unveiling on 19 July of its ‘RightRoute’ vision setting out the case for investment in new trains, which was presented to stakeholders and parliamentarians in Westminster.

Chiltern is prioritising replacement of its Class 165 DMU fleet, which comprises 89 vehicles. It carried out a pre-market engagement exercise last Autumn, and Mr. Allan said the view is that a battery train would be suitable for the Marylebone to Aylesbury route, either operating solely on battery power or additionally picking up power from the London Underground four-rail system South of Amersham.

These are my thoughts.

Electrification At Amersham

This OpenRailwayMap shows the electrification at Amersham station.

Note.

  1. Tracks shown in pink are electrified with the London Underground four-rail system.
  2. Tracks shown in black are not electrified.
  3. All three platforms are electrified.

The track layout allows both Chiltern and London Underground trains to pass through Amersham station on electrified lines.

Electrification Between Amersham And Harrow-on-the-Hill

This OpenRailwayMap shows the electrification at Northwood station.

Note.

  1. Tracks shown in pink are electrified with the London Underground four-rail system.
  2. All four platforms are electrified.
  3. Some sections are only double-track.

All tracks between Amersham And Harrow-on-the-Hill stations are electrified.

Electrification At Harrow-on-the-Hill

This OpenRailwayMap shows the electrification at Harrow-on-the-Hill station.

Note.

  1. Tracks shown in pink are electrified with the London Underground four-rail system.
  2. Tracks shown in black are not electrified.
  3. All six platforms are electrified.

The track layout allows both Chiltern and London Underground trains to pass through Harrow-on-the-Hill station on electrified lines.

Electrification Between Harrow-on-the-Hill And Finchley Road

Willesden Green station is typical of the stations on this section

This OpenRailwayMap shows the electrification at Willesden Green station

Note.

  1. Tracks shown in pink are electrified with the London Underground four-rail system.
  2. Tracks shown in black are not electrified.
  3. The two tracks South of the station are the Chiltern tracks.
  4. All Chiltern Trains along this route use these two separate tracks, that are not electrified.

Stations with this layout include Northwick Park, Preston Road, Wembley Park, Neasden, Dollis Hill, Willesden Green, Kilburn and West Hampstead.

The Chiltern Tracks Alongside The Metropolitan Line

I took these pictures as I journeyed from West Hampstead to Harrow-on-the-Hill.

Note.

  1. The Chiltern Tracks are those farthest from the train without electrification.
  2. There also seemed a lot of graffiti, where the tracks weren’t electrified.
  3. Platforms 1 and 2 at Harrow-on-the-Hill station are electrified and used by Chiltern’s diesel trains.

Finding a Jubilee or Metropolitan Line train with clean enough windows for photography was difficult.

Distances Between Stations

These are the distances, times and electrification, between selected stations, between Marylebone and Aylesbury Vale Parkway.

  • Marylebone and Harrow-on-the-Hill – 9.2 miles – 13 minutes – Not Electrified
  • Harrow-on-the-Hill  and Amersham – 14.3 miles – 24 minutes – Electrified
  • Amersham and Aylesbury – 15.3 miles – 23 minutes – Not Electrified
  • Aylesbury and Aylesbury Vale Parkway – 2.3 miles – 7 minutes – Not Electrified

Note.

  1. The 24 minutes between Harrow-on-the-Hill  and Amersham, should be enough to fully-charge the batteries.
  2. Harrow-on-the-Hill to Marylebone and return is 18.5 miles.
  3. Amersham to Aylesbury Vale Parkway and return is 35.2 miles.

As Merseyrail’s Class 777 trains  have achieved 83.9 miles on battery power, I am fairly sure that Marylebone and Aylesbury Vale Parkway could be achieved by a battery electric multiple unit, that has been designed for the route.

Rolling Stock

Bombardier built the Class 378 Electrostar train, so that it would run on the London Underground four-rail system to Richmond. so I’m sure that Alstom could build Aventras, that could use the Underground electrification.

I’m also sure that other UK trains manufacturers and suppliers like CAF, Hitachi, Siemens and Stadler have the expertise.

The article mentions between twenty and seventy trains. The number probably depends on the train length.

I think we’ll see some interesting bids.

Train Charging Issues

The main charging will be done between Harrow-on-the-Hill  and Amersham using the London Underground four-rail system already installed for the Metropolitan trains between London and Amersham and Chesham.

As the electrification will be powering six trains per hour in both directions between Harrow-on-the-Hill  and Amersham and charging the batteries on the Chiltern trains, I wouldn’t be surprised to find, that the power system will be uprated.

I also suspect, that the trains could have the ability to use 25 KVAC overhead electrification, as this could allow short lengths of electrification to be used to charge the trains at terminal stations.

Speed Issues

If you look at the speeds and times, you get the following.

  • Current Chiltern Class 165 trains are 75 mph trains.
  • Current Underground S Stock trains are 62 mph trains.
  • Chiltern take 33 minutes between Amersham and Marylebone.
  • Trains in both services run every half hour.
  • There is also an every half hour service between Chesham and Aldgate, which means there are six trains per hour between Chalfont & Latimer and Harrow-on-the-Hill.
  • I suspect Chiltern set the timetable, by going through first with the slower Amersham and Chesham services following.
  • This means that if the new Chiltern trains are 100 mph trains, it shouldn’t make much difference to the operation of the trains.

But the faster Chiltern trains could knock eight minutes off the time between Amersham and Harrow-on-the-Hill stations.

In an ideal world, where TfL had more money, faster Underground trains would allow more services to the area.

Leamington Spa Services

Chiltern Railways run two local services from Leamington Spa station.

  • One service goes to Stratford-on-Avon, which is a distance of 15.3 miles.
  • The other service goes to Birmingham Moor Street, which is a distance of 22.7 miles.
  • Both services are run by Class 165 diesel trains.
  • Both services have a frequency of one train per two hours.

I suspect that these services could be run using battery-electric trains with charging at Leamington Spa.

Timescale

This is said about timescale.

Under the plans set out in its ‘RightRoute’ prospectus, Chiltern wants to agree scope and funding for new trains this year and launch the first new trains by 2027 between London and Aylesbury, and upgrade infrastructure and trains on the West Midlands route between 2028 and 2035.

West Midlands Route

This is said about the West Midlands route.

Mr Allan said that after ‘165’ replacement consideration would be given to the best solution for the main line between London and the West Midlands, including whether this would involve partial or full electrification, with a rolling stock solution to succeed the Class 168 DMUs and loco-hauled sets to be devised accordingly. Chiltern’s Interim Engineering & Safety Director Tim Sayer told Modern Railways one potential option the Government and Network Rail are keen on is third party funding of electrification, which could be built into a manufacturer’s contract for new stock.

Note.

  1. I must admit that I like the idea of bundling rolling stock and electrification in one contract.
  2. After all, rolling stock and maintenance have been bundled together for some years and it seems to work.
  3. I disclose some of Hitachi’s thinking in Solving The Electrification Conundrum, which is based on an article in Modern Railways.

I wonder if Hitachi will come up with a solution something like this.

  • A number of five-car battery-electric trains.
  • High quality interiors.
  • They would serve Birmingham Moor Street, Oxford and Stratford-on-Avon.
  • Short lengths of electrification in terminals and perhaps at strategic locations in the middle. Banbury?
  • Automation as needed.

It could be a service that’s a viable alternative to High Speed Two for some passengers.

Charging At London Marylebone Station

I recently took these pictures at Marylebone station.

Note.

  1. It is a surprisingly spacious station and I feel that Furrer+Frey or some other specialist company could add some form of charging to the platforms.
  2. In its simplest form it would be a short length of 25 KVAC overhead electrification.
  3. Charging would be performed using the train’s pantograph.

It appears that the turnround time in Marylebone is typically twelve minutes or more, which should be adequate to fully charge a train.

Charging At Oxford Station

These pictures show the bay platforms at Oxford station, where Chiltern services terminate.

I wouldn’t be surprised, if these two platforms were designed for future 25 KVAC overhead electrification.

Marylebone And Oxford Services

Marylebone and Oxford are only 66.7 miles apart and I believe that a battery electric train would be able to shuttle between the two terminals, charging as required after each journey.

Charging At Birmingham

These pictures show the bay platforms at Birmingham Moor Street station, where some Chiltern services terminate.

Note.

  1. Currently, Birmingham Moor Street station has two through platforms and two bay platforms.
  2. None of the platforms are electrified.
  3. Some plans include adding two more bay platforms to the station.
  4. Electrifying the bay platforms 3 and 4, would allow the charging battery electric trains from London.

The two through platforms could also be electrified to help Birmingham’s local trains decarbonise and allow London services to reach Birmingham Snow Hill station.

Marylebone And Birmingham Services

Consider.

  • Marylebone and Birmingham Moor Street are only 111.7 miles apart.
  • Birmingham Moor Street and Birmingham Snow Hill stations are only 0.6 miles apart.
  • Birmingham Moor Street and Birmingham Snow Hill stations could be easily connected by an electrified line.
  • Stadler are talking of battery-electric trains having a range of over 125 miles.
  • It might be sensible to electrify Banbury to give the batteries a top up.

I believe that a battery electric train would be able to shuttle between Marylebone and Birmingham, charging as required after each journey.

 

Conclusion

It seems a sound plan!

 

August 21, 2023 Posted by | Transport/Travel | , , , , , , , , , | 8 Comments

Chiltern Railways Seeks Proposals For Low-Emission Multiple-Unit Fleet

The title of this post, is the same as that of this article on Railway Gazette.

These are the first three paragraphs.

Chiltern Railways is seeking proposals for the supply of between 20 and 70 new or converted ‘low-emission’ multiple units.

The operator has called for ‘established’ rolling stock manufacturers, owners and modifiers to propose vehicles which would provide a ’meaningful’ reduction in the emissions and external noise compared to its existing diesel multiple-units, particularly in urban areas.

The envisaged five-year framework agreement has an estimated value of up to £400m, including supply and maintenance of the fleet, refuelling infrastructure and any depot modifications.

I have my thoughts.

Chiltern’s Rolling Stock

Chiltern Railways have two different types of rolling stock; diesel multiple units and rakes of coaches haled by diesel locomotives.

Chiltern’s Diesel Multiple Units

Chiltern has these diesel multiple units.

  • Class 165 diesel trains – 28 x two-cars – 56 cars
  • Class 165 diesel trains – 11 x three-cars – 33 cars
  • Class 168 diesel trains – 9 x two-cars – 18 cars
  • Class 168 diesel trains – 9 x three-cars – 27 cars
  • Class 168 diesel trains – 10 x four-cars – 40 cars

Note.

  1. The trains were built between 1990 and 2004.
  2. The Class 165 trains are 75 mph units, whereas the Class 168 trains are 100 mph units.
  3. These total to 67 trains and 174 cars.
  4. This is an average train length of 2.6 cars.

Could a fleet of three-car low-emission 100 mph trains fit Chiltern’s requirements?

  • They could work in pairs for six-car units for Birmingham Moor Street and Oxford.
  • There may be a need for some four-car units.

But how will they be powered?

  • Pure diesel will surely give out too many emissions!
  • Would an mtu Hybrid PowerPack lower emissions enough?
  • Could hydrogen-power be used, either with fuel-cells or a hydrogen internal combustion engine?

In Alstom And Eversholt Rail Sign An Agreement For The UK’s First Ever Brand-New Hydrogen Train Fleet, I wrote about Alstom’s proposed Hydrogen Aventra.

A version of these trains could be ideal, if Children could source the fuel economically.

Chiltern’s Diesel-Hauled Rakes Of Coaches

Chiltern have four rakes of Mark 3 coaches hauled by Class 68 locomotives.

These could be replaced by pairs of three-car low-emission’ multiple units.

Conclusion

A fleet of seventy three-car ‘low-emission’ multiple units, powered by hydrogen could be an innovative solution to the trains to run Chiltern’s services.

 

 

 

August 8, 2023 Posted by | Hydrogen, Transport/Travel | , , , , , , , , , | 3 Comments

High Speed Two Works From A Chiltern Train – 19th July 2023

I took these pictures returning from Birmingham on a Chiltern train.

O don’t think I’ve seen so many tunnel segments on a site.

July 23, 2023 Posted by | Transport/Travel | , , | Leave a comment

A Fraught Journey Between Worcester Shrub Hill And Reading Stations

My train home from Worcester Shrub Hill station didn’t make the most impressive of starts to my journey back to Reading.

  • The five-car train was supposed to leave at 15:15.
  • It was also supposed to arrive in Reading at 16:58.
  • But the relief driver was delayed.

Eventually, we left at 15:31.

The train didn’t appear to be running at full speed and around Moreton-in-Marsh, staff started distributing water, which in my view is always a sign that all is not well.

I measured the temperature and humidity at 26.7 °C and 40% respectively, so the water was welcome.

I asked one of the staff what was up and was informed, that two of the engines were overheating because of the heat, so were we effectively running on the remaining cool engine?

Eventually, we were informed that the train would terminate at Charlbury station, where we would all be picked up by the following train, which would have nine cars.

After Charlbury, things didn’t get much better.

  • The rescue train eventually left Charlbury at 17:38, which was twenty-six minutes late.
  • The train wasn’t full and I had a table to myself, but after Oxford, there wasn’t a seat anywhere.
  • We missed out the stop at Didcot Parkway station because of flooding, caused because of a violent thunder storm.
  • The rescue train didn’t even make Paddington and it was terminated short in the bi-directional Platform 7 at Reading, because of an unwell passenger.

Eventually, when I arrived in Reading station at 18:55, the rescue train was fifty-five minutes late.

As my original train, should have arrived at 16:58, I was actually, three minutes short of two hours late.

By the time, I got to Platform 14 for the 16:59 Elizabeth Line train to Central London, it had gone, so I had another thirty minute wait.

I finally arrived home at 21:00, after a nearly 5¾ hour journey.

I have a few thoughts.

Changing At Reading

Part of the reason, that I missed my Elizabeth Line train, was that the escalators to Platform 14 were out of action and I had to wait for the lift, as I don’t trust myself going down stairs.

I have said before that if you need a ticket in your change a Reading, there should be a ticket machine on the bridge.

As Reading station is managed by Network Rail, perhaps, they should examine the operation of the station with a good dose of old-fashioned time and motion in more detail.

The Elizabeth Line Frequency To London

The Elizabeth Line only runs two trains per hour (tph) between London and Reading.

This may be fine when everything is going well, but on days like Sunday, when trains aren’t performing well and the weather is not behaving itself, would four tph be better?

Perhaps, the two extra trains would run between Reading and Abbey Wood, and only stop at say Twyford, Maidenhead, Slough, Hayes & Harlington, Southall, Ealing Broadway, Old Oak Common, Paddington, Bond Street, Tottenham Court Road, Farringdon, Liverpool Street, Whitechapel, Canary Wharf, Custom House and Woolwich.

Great Western Railway Trains Between Oxford, Reading and Didcot Parkway and London

The three terminals get the following services to and from London

  • Didcot Parkway – 4 tph
  • Oxford – 4 tph
  • Reading – 11½ tph – 8½ fast and 3 slow

Consider these questions.

  • How many travellers between Didcot Parkway, Oxford and Reading and Paddington, now use the Elizabeth Line for onward travel from Paddington?
  • How many of the endless visitors to Oxford start their journey on the Elizabeth Line?
  • How many visitors to Oxford combine a trip with one to Bicester Village?
  • How many travelling by train between Oxford and Cambridge will use part of the Elizabeth Line for the journey?
  • Is it fair, that Cambridge is connected to four London rail terminals; King’s Cross, Liverpool Street, London Bridge and St. Pancras and Oxford is connected to just two; Marylebone and Paddington?

I suspect there’s considerable scope to reorganise services between the three stations and London to provide a better service.

GWR’s Paddington and Didcot Parkway service, which has a frequency of two tph,  could be moved to the Elizabeth Line and possibly extended to Oxford, once Didcot Parkway and Oxford is electrified.

This would give.

  • Didcot Parkway would have  two fast tph to Paddington and two stopping tph on the Elizabeth Line with all its connectivity and delights.
  • Oxford would have  two fast tph to Paddington and two stopping tph on the Elizabeth Line.
  • Reading will have a much-needed Elizabeth Line frequency of four tph.

Note.

  1. Terminating the Elizabeth Line at Oxford, means that there are services connecting Oxford and Cambridge, with a single change at either Farringdon or Liverpool Street.
  2. Oxford would also get one change connectivity to Gatwick, Heathrow and Stansted Airports.
  3. The slow lines between Oxford and Maidenhead typically have operating speeds of 90-100 mph. So if the Class 345 trains on the Elizabeth Line and the track were upgraded to 100 mph, this might save a few minutes in the outer reaches of the Elizabeth Line.
  4. The Elizabeth Line could terminate in one or two South-facing bay platforms on the East side of the station. This position would reduce passenger traffic on the crowded footbridge.
  5. If all the bay platforms were on the same East side of the station, this would simplify and ease passenger flows.
  6. Chiltern and East West Railway services could be timed for an easy interchange.
  7. The proposed Cowley Branch could also use the South-facing bay platforms.

The more I look at it, the more I like the idea of running the Elizabeth Line to Oxford.

The Heat Problem On The Class 800 Trains

The Wikipedia entry for the Class 800 trains has this paragraph on the overheating of the engines or generator units (GUs) on the trains.

The GU is installed on vibration-isolating mountings, and fitted with side-mounted cowls to reduce external noise. Heat management measures include thermal insulation around key areas such as cable ducts. According to Modern Railways magazine, the limited space available for the GUs is responsible for them being prone to overheating. It claimed that, on one day in summer 2018, “half the diagrammed units were out of action as engines shut down through overheating”.

That was in 2018, which was five years ago. But it appears to be still happening.

Would Overheating Happen With Battery Units?

One of the reasons, I went to Worcester was to assess the feasibility of battery-electric trains on the route.

This article from EV-Lectron is entitled Electric Cars in Hot Weather – What You Need To Know, gives a detailed set of answers.

But it probably comes to the conclusion, that cold weather with the extra heating load might be more of the problem.

I suspect, that if you were running battery electric trains on a route of over fifty miles, the best thing would be to have electrification at both ends of the route.

If, as I have calculated in Reading And Oxford – 10th June 2023, that to run battery-electric trains to Hereford needs a length of electrification between Worcester Shrub Hill and Great Malvern stations, then when they leave the electrification, they should have the interiors at the right temperature for staff and passengers.

I also suspect that battery-electric trains need to be well insulated to cope better with cold weather.

 

June 13, 2023 Posted by | Transport/Travel | , , , , , , , , , , , , , | 3 Comments

Reading And Oxford – 10th June 2023

Yesterday, after breakfast on Moorgate, I went for an explore at the Western end of the Elizabeth Line.

My aim was to change at Reading for Oxford and then have a bit of an explore in the University City.

These are my observations and thoughts.

Changing Trains At Reading

There are two trains per hour between Liverpool Street and Reading station, but at the Moorgate end of Liverpool Street station, there is no way of buying a ticket, that would get me between Reading and Oxford. To make things more complicated, I needed to be quick with my change at Reading, as I only had a few minutes before the next Oxford train left Reading.

In the end I had to leave Reading station and walk across the concourse in front of the station.

O then bought a ticket in a machine and then re-entered the station.

Great Western Railway can do better.

In Germany, there would be a ticket machine inside the barriers for those changing trains. But we never do that!

In the end, I missed my train and had to wait thirty minutes for a very crowded London Paddington to Oxford train.

Electrification At Oxford

This map from OpenRailwayMap shows the planned electrification at Oxford station.

Note.

  1. The four through lines are shown in dotted red-and-black, which indicates, that they will be electrified with 25 KVAC overhead electrification.
  2. The proposed electrification continues all the way to Didcot Parkway station on the map.
  3. The two black tracks are the unelectrified platforms for Chiltern and East West Railway services.

But the proposed electrification stops just outside the station. Why?

Great Western Railway Services Beyond Oxford

Great Western Railway run an hourly service to Great Malvern, which according to Wikipedia terminates as follows.

  • 4 trains per day continue to Hereford calling at Colwall and Ledbury.
  • 1 train per day terminates at Worcester Shrub Hill.
  • 4 trains per day terminate at Worcester Foregate Street.

So what are the distances of these stations from Oxford?

  • Great Malvern – 65.6 miles
  • Hereford – 86.3 miles
  • Worcester Foregate Street – 57.6 miles
  • Worcester Shrub Hill – 57.2 miles

I suspect that one version of the Hitachi Intercity Tri-Mode Battery Train, which is shown in the infographic below

could handle all these distances.

After the Oxford and Didcot Parkway electrification is complete, trains will arrive at Oxford station with a full battery.

But how would the batteries be recharged for the journey back to Oxford?

This map from OpenRailwayMap shows the tracks at Worcester.

Note.

  1. Trains to and from Oxford, use the tracks in the South-East corner of the map.
  2. Trains to and from Birmingham, use the tracks in the North -East corner of the map.
  3. Trains to and from Great Malvern and Hereford, use the tracks in the South-West corner of the map.

I suspect that some selective electrification would be able to charge the trains.

Trains take around twenty minutes to go between Great Malvern and Worcester Shrub Hill via Worcester Foregate Street.

Electrifying this 8.5 mile section would surely enable the following.

  • Trains to leave Worcester Shrub Hill for Oxford with a full battery.
  • Trains to leave Great Malvern for Hereford with a full battery.
  • As Hereford and Great Malvern are only 20.7 miles apart, I suspect a return trip without a recharge is possible.
  • Trains terminating at Worcester Shrub Hill and Worcester Foregate Street to be fully recharged before travelling back to Oxford.

Other services to and from the Worcester stations could also be run by battery-electric trains.

As Worcester Shrub Hill and Oxford stations are only 57.2 miles and well within the capabilities of most battery-electric trains, there would be no need to electrify the route.

I may of course, be wrong about the length and position of the electrification at Worcester, but this could be just one of many solutions using partial electrification.

Does this explain the stopping of the proposed electrification at Oxford?

In addition, there must be marketing opportunities in running a battery-electric service to Hereford and Worcester.

The Bay Platforms At Oxford Station

These pictures show the two North facing bay platforms 1 and 2 at Oxford station.

Note.

  1. The platforms are not electrified.
  2. They appear to be easily updated with electrification to be able to charge Chiltern and East West Railway trains.
  3. Marylebone is only 66.7 miles from Oxford.
  4. Milton Keynes Central is just over 40 miles from Oxford.
  5. Bedford is just under 60 miles from Oxford.

I suspect that services from Oxford to Bedford, Marylebone and Milton Keynes can all be run by battery-electric trains.

 

 

June 11, 2023 Posted by | Transport/Travel | , , , , , , , , , , , , | 14 Comments

Aylesbury Vale Parkway Station – 4th June 2023

I went to Aylesbury and Aylesbury Vale Parkway stations today, to check out if my recent posts about the East West Railway are correct and take some pictures of the two stations.

This Google Map shows the layout of Aylesbury Vale Parkway station.

Note.

  1. The station only has a single bay platform.
  2. It appears that there is a step-free walk between the car park and the platform.
  3. There is no bridge or need for one.
  4. There is a single through line at the station on the opposite side to the car park, which is mainly used by trains going to the landfill at Calvert.

It looks from this map, that if the single platform were widened to an island platform, that both terminating and through trains could call in the station.

These are my pictures of the station.

Note.

  1. The second track can be seen in the eighth picture.
  2. I believe an island platform could be created between the two tracks.
  3. There is a substantial amount of car parking for 501 vehicles.
  4. There is a step-free connection between the platform and the car parking.
  5. There appears to be a good grid connection.

I believe that Aylesbury Vale Parkway station could be modified to be a single platform station on the Aylesbury Spur of the East West Railway, that I wrote about in East-West Rail: Aylesbury Spur.

This Google Map shows the area around the station.

It shows how a parkway station can provoke development on an area.

June 4, 2023 Posted by | Transport/Travel | , , , , , | Leave a comment

East-West Rail: Electrification

The first paragraph of the Wikipedia entry for the East West Railway, says this about electrification.

As of March 2020, electrification of the line is not planned, but the 2019 decision (to rule it out) is under review.

But I don’t think it’s a simple decision of electrify or not!

These observations are guiding my thoughts.

Milton Keynes Central Station

This OpenRailwayMap shows the platforms and whether they are electrified in Milton Keynes Central station.

Note.

  1. Lines shown in red are electrified with 25 KVAC overhead wires.
  2. The short platform is Platform 2A, which can take a five-car train and was built recently to terminate the Marston Vale Line service.
  3. Could Platform 2A be ideal for handling and charging, battery-electric trains, that terminate in Milton Keynes station?

The Wikipedia entry for Milton KeynesCentral station, has a section called Platforms and Layout, which gives full details.

Bletchley Station

This OpenRailwayMap shows the platforms and whether they are electrified in Bletchley station.

Note.

  1. Lines shown in red are electrified with 25 KVAC overhead wires.
  2. The wide swath of red going North is the West Coast Main Line.
  3. The smaller patch of red to the East of the West Coast Main Line are electrified sidings.
  4. All low-level platforms at Bletchley station are electrified.
  5. The viaduct platforms, are shown in black as they are not electrified.
  6. A non-electrified line leads North-West from the viaduct towards Milton Keynes Central.
  7. The Milton Keynes end of the line between Milton Keynes Central station and the viaduct is electrified.
  8. A non-electrified line leads North-East from the viaduct towards Fenny Stratford and Bedford.

The Google Map shows a 3D visualisation of Bletchley station.

I can’t see much sign of any electrification.

Bedford Station

This OpenRailwayMap shows the platforms and the electrification around Bedford station.

Note.

  1. All platforms at Bedford station are electrified.
  2. The lines to the West of the station are the electrified Midland Main Line.
  3. The Marston Vale Line services terminate in the short Platform 1A, which is the South-East corner of the station.
  4. The track into Platform 1A is electrified for about two hundred metres, through the sidings South of the station.

This picture shows the electrified track as it crosses over the river.

Could Platform 1A be ideal for handling and charging, battery-electric trains, that terminate in Bedford station?

It’s odd that there is the same platform layout at both ends of the Marston Vale Line.

Is it just a coincidence or does Engineer Baldrick have a cunning Plan?

Oxford Station

This OpenRailwayMap shows the platforms and the electrification around Oxford station.

Note.

  1. The dotted red and black tracks, indicate electrification is planned.
  2. The planned electrification will connect Oxford station to Didcot Junction station.
  3. The two bay platforms at the North of the station are not electrified and Platform 2 is now used by Chiltern’s London services.
  4. Platform 1 could be used by trains on the East West Railway that terminate at Oxford.

When Oxford station is electrified, it wouldn’t be the largest project to add 25 KVAC overhead electrification to the two bay platforms.

Aylesbury Station

This OpenRailwayMap shows the platforms and the lack of electrification around Aylesbury station.

Note.

  1. No tracks are electrified.
  2. Platforms are numbered 3, 2, 1 from the top, so 2 and 3 are paired in the middle.
  3. All freight trains go through Platform 2 and most seem to go via Princes Risborough and High Wycombe.
  4. Chiltern services use Platforms 1 and 3.

Putting a charging system in Aylesbury station could be tricky.

I wonder if the simplest system for East West Railway would be to electrify between Aylesbury and Aylesbury Vale Parkway stations.

Chiltern Railway’s time between the two stations is as much as seven minutes.

Some trains to Aylesbury take over twenty minutes to do the short journey to Aylesbury Vale Parkway and return, which is more than enough to fully-charge a battery-electric train.

You can even have Chiltern’s hourly Aylesbury Parkway service, sharing the same stretch of electrification with East West Railway’s Aylesbury service, as there is a loop, which creates double-track for some of the way.

It should be noted that between Marylebone and Aylesbury Vale Parkway stations is only 41.1 miles, so some battery-electric trains could do that with a full charge at one end.

East West Railway Distances

In Trains Needed For The East West Railway, I calculated some of these distances.

  • Oxford and Bedford – 46.8 miles
  • Oxford and Milton Keynes – 33.4 miles
  • Aylesbury and Milton Keynes – 25.9 miles

With charging at both ends, all of these routes are possible using modern battery-electric trains, where even a Class 777 IPEMU, designed for extending Merseyrail’s suburban network has done 84 miles on one charge.

On To Cambridge

In this document on the East-West Rail Consortium web site, these services are suggested, for when the East West Railway is complete.

  • An hourly train via Norwich terminating at Great Yarmouth.
  • An hourly train via Ipswich terminating at Manningtree.

These are distances on these routes that are not electrified, that are to the East of Cambridge.

  • Ely and Norwich – 53.7 miles
  • Norwich and Great Yarmouth – 18.3 miles
  • Cambridge and Haughley Junction – 40.3 miles

Note.

  1. The Manningtree service would be able to charge its batteries after passing Haughley junction going East and it would be nearly an hour before it needed to use the battery for traction.
  2. If the Yarmouth service could handle the full route on batteries, then it could return to Cambridge with an efficient charger at Great Yarmouth, which for 25 KVAC overhead electrification trains is an off the shelf item.
  3. But it does look to me that the trains must leave Cambridge with full batteries, so they can reach electrification at Bedford, Haughley or Norwich.

This map shows the route of the East West Railway between Bedford and Cambridge.

Note.

  1. Bedford is on the electrified Midland Main Line to London.
  2. Tempsford is on the electrified East Coast Main Line to London.
  3. Cambridge has two electrified main lines to London.
  4. These connections should ensure a good power supply to the East of Bedford for electrification.

I suspect the easiest option will be to add some more electrification at one or more of these places.

  • At the Eastern end of the Bedford and Cambridge section.
  • To the West of Haughley junction, when it is rebuilt.
  • To the North of Ely, when the railways in that area are improved.

Although, as it will be a new route, it might be best to build Bedford and Cambridge as an electrified railway.

June 3, 2023 Posted by | Transport/Travel | , , , , , , , , , , , , , | 4 Comments

Chiltern Electrification Alternatives Studied

The title of this post, is the same as that of this article on Railway Gazette.

These are the first two paragraphs.

Chiltern Railways is working to present the Department for Transport with options for a fleet renewal programme, with London Marylebone being the only non-electrified London terminal and pressure for the withdrawal of diesel trains continuing to mount, particularly from local residents.

Industry insiders report that this could see at least the 39 two and three-car Class 165 diesel multiple-units replaced.

Note.

  1. The Class 165 trains were built in 1990-1992 and refurbished around the turn of the century.
  2. Chiltern Railways have 28 two-car and 11 three-car Class 165 trains.
  3. Chiltern Railways also have ten similar two-car,  nine three-car and nine four-car Class 168 trains.
  4. In addition, Great Western Railway has 20 two-car and 16 three-car Class 165 trains, and 23 Class 166 trains.
  5. The Class 165 and Class 166 trains are 90 mph units, whereas the Class 168 trains are 100 mph units.

As Chiltern’s study would appear to rule out electrification, could all of these trains be replaced with an appropriate number of a new class of 100 mph  zero-carbon independently-powered multiple units?

In Alstom And Eversholt Rail Sign An Agreement For The UK’s First Ever Brand-New Hydrogen Train Fleet, I talked about a proposed hydrogen train fleet.

These trains are described as three-car in Alstom’s press release.

  • Most Aventras are 100 mph trains.
  • They could easily be lengthened to four cars by the addition of an extra car.
  • It may even be possible, that these trains could be fitted with a pantograph for working on electrified lines.

The only problem, I can envisage, is that a two-car version might not have enough space for the hydrogen and electrical gubbins.

Chiltern’s Locomotive-Hauled Mark III Stock

Greater Anglia have replaced locomotive-hauled Mark III stock with multiple units and it appears to have been successful.

Could Chiltern’s locomotive-hauled Mark III stock be replaced by six-car hydrogen-powered Aventras, with a long-distance interior?

Other Routes

Alstom and Eversholt Rail announced their agreement in November 2021.

Since then, I have written these posts, where the proposed Alstom Hydrogen Aventra could have an application.

Note.

  1. A two-car version would surely increase the number of applications.
  2. A 110 mph capability would allow the trains to mix it with high speed trains on fast lines.
  3. Bombardier proposed a 125 mph bi-mode Aventra. Could this be achieved with hydrogen power?

I feel the eight applications, I listed, could be the start of something a lot bigger.

Conclusion

Alstom and Eversholt Rail Group appear to have done their research.

 

 

 

 

 

 

 

 

May 17, 2023 Posted by | Hydrogen, Transport/Travel | , , , , , , , , , | 8 Comments

Riding The 182 Bus Between Harrow Bus Station And Brent Cross

I did this journey, which could be part of the Superloop, in good weather, and was able to take these pictures.

Note.

  1. The roads were not bad and were partly two lanes each way, with large roundabouts at junctions.
  2. I suspect the bus was going at between 30 and 40 mph most of the way.
  3. There was still quite a lot of traffic.
  4. It is a distance of about 7 miles.
  5. The timetable says that buses run every 10-13 minutes.
  6. Harrow-On-The-Hill station is next to Harrow Bus station.
  7. Harrow-On-The-Hill connects to the Metropolitan Line and Chiltern
  8. Northwick Park Hospital is on the route.
  9. Sudbury and Harrow Road station connects to Chiltern.
  10. South Harrow station connects to the Piccadilly Line.
  11. Wembley Central station connects to the Bakerloo and Watford DC Lines and National Rail.
  12. Wembley Stadium station connects to Chiltern.
  13. Wembley Park station connects to the Metropolitan and Jubilee Lines.

The journey took about 70 minutes, mainly because of the traffic at the road works.

I have a few thoughts.

The Route Of The Bus 182 Could Be Part Of The Superloop

I feel my journey today, proved that this would be part of a feasible Superloop leg between Harrow and North Finchley bus stations.

A Chiltern Metro

Wikipedia says this about a  proposed metro service between Marylebone and West Ruislip stations.

  • The Metro would have a frequency of four tph.
  • It would call at Wembley Stadium, Sudbury & Harrow Road, Sudbury Hill Harrow, Northolt Park and South Ruislip.
  • The service would require a reversing facility at West Ruislip.
  • There would need to be passing loops at Sudbury Hill Harrow, and  Wembley Stadium.

Given that the Chiltern Metro was first proposed over a decade ago, perhaps the concept could be increased in scope.

  • Housing and other developments along the route may suggest that a station further out like High Wycombe might be a better terminal.
  • ERTMS in-cab digital signalling is likely to be installed at some time, which would decrease headways between trains and allow more services.
  • Electrification is likely in some form before 2040 and this will improve train performance.
  • If Neasden station were to be rebuilt, as a comprehensive transport and residential development, I believe that this Metro service should also call at Neasden, as it would complement the West London Orbital Railway.

I believe that a review of the Chiltern Metro may mean, that an improved version is worth creating.

March 30, 2023 Posted by | Transport/Travel | , , , , , , , , , | 1 Comment

Riding The X140 Bus Between Heathrow Airport And Harrow Bus Station

I did this journey, which will be part of the Superloop, in better weather than yesterday, and was able to take these better pictures.

Note.

  1. The roads were much better than yesterday’s trip and were mostly two lanes each way, with large roundabouts at junctions.
  2. I suspect the bus was going at between 30 and 40 mph most of the way.
  3. There was still quite a lot of traffic.
  4. It is a distance of about 15 miles.
  5. The timetable says that buses run every 10-13 minutes.
  6. The X26 buses run between about six in the morning at midnight.
  7. There are twelve intermediate stops.
  8. Harrow-On-The-Hill station is next to Harrow Bus station.
  9. Heathrow Central connects to Heathrow Express, the Elizabeth and Piccadilly Lines.
  10. Hayes and Harlington connects to the Elizabeth Line and GWR’s local services.
  11. Northolt station connects to the Central Line.
  12. Northolt Park station connects to Chiltern.
  13. South Harrow station connects to the Piccadilly Line.
  14. Harrow-On-The-Hill connects to the Metropolitan Line and Chiltern

The journey took 49 minutes, which is only a minute longer than the timetable.

I have a few thoughts.

Passenger Numbers

These were my observations on my journey that started at about 11:30 on a dry day.

  • Few got on at Heathrow Central, but I suspect we had just missed a bus.
  • By Hayes & Harrington station, the bus was about a quarter full.
  • At South Harrow station it must have been about three-quarters full.
  • At Harrow bus station all the lower-deck seats were taken.

I would expect that the loading I saw fits with TfL’s expectations.

The Bus

The bus was one of the latest ADL battery-electric buses.

  • It had a strong performance.
  • It had wi-fi and phone charging.
  • It was probably less than a year old.
  • It was a lot better than yesterday’s bus!

At present not all buses on the route are battery-electric, as some are still older hybrids.

Travelling To Heathrow From The Northern Reaches Of The Metropolitan Line

Many people travel to and from Heathrow either for work or because they are flying.

  • But it is not an easy journey from the Northern reaches of the Metropolitan Line.
  • I believe the X26 bus could be a viable way to get to the airport for many.
  • There would be a change at Harrow-on-the-Hill, but the station is at least step-free.
  • It would avoid parking fees.
  • Fares could be less than fuel costs.

The only big drawback, is that the X26 bus is not twenty-four hours.

More And More Frequent Buses Would Help

I believe that the Superloop should be a 24-hour service, as a lot of things go on at airports in the middle of the night.

I’ve just found out that there is an N140 bus that covers the route.

I also think, that as with the Overground, services should be at least four buses per hour.

 

 

March 29, 2023 Posted by | Transport/Travel | , , , , , , , , , , , , , , | 2 Comments

« Previous Entries     Next Entries »