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High Speed Two (HS2) discussion

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but i've seen nothing to suggest that another track couldnt be provided if need be, either using the existing formation or widening it.

HS2 is using the existing formation but widened - there won't be any space for another EWR track (on a route that has freight aswell). The work on HS2 is also due to start soon after EWR has started - so the line will be closed pretty much straight away.

but that caused by quadrupling the Coventry Corridor would be on a whole different scale to the relatively small amount caused by the HS2 route - especially as anyquadrupling would still require more capacity into New St and the station itself if a station at Curzon St was to be avoided.

You can run from the Coventry corridor into Curzon St. if you wanted to - after all that is what the station was built for in the first place!
 
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bangor-toad

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HS2 is using the existing formation but widened - there won't be any space for another EWR track (on a route that has freight aswell). The work on HS2 is also due to start soon after EWR has started - so the line will be closed pretty much straight away.


I think you might be not understanding the layout.

Have a look at map HS2-ARP-OO-Dr-RW-05013Issue3 of the latest HS2 route map. That's the one that covers where the proposed East-West rail and HS2 intersect. There's also the high res map of the infrastructure depot in map HS2-ARP-OO-Dr-RW-05302 - this does not affect the EWR allignment.
The routes cross at pretty much 90 degrees and it's labelled "New Possible Permanant Reallignment of East West Railway over HS2"

Basically if EWR is built on the existing allignment, a new bridge will need to be built for it to cross HS2. Not a tricky thing at all for the civil engineers given the flat open ground to work on. A little disruption perhaps - about equivalent to dealing with a single new road bridge. The bridge can be as wide as is required, single, dual or more tracks.

Cheers,
Jason
 
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Sorry Jason but you're misunderstanding. EWR consists of two lines - Oxford - Bicester - Bletchley which you rightly point cross at a right angle to HS2 with the second line being the Met/GCR from Aylesbury to Calvert. It is this second line that HS2 is taking control of and will cause massive disruption to.
 

Chris125

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HS2 is using the existing formation but widened - there won't be any space for another EWR track (on a route that has freight aswell). The work on HS2 is also due to start soon after EWR has started - so the line will be closed pretty much straight away.

How do you know there wont be any space, or that it will close (the southern branch of) East-West Rail? HS2 have recently confirmed they are working with EWR on this area, and unless you know differently the outcome of that work remains unknown.

At worst there'll be a delay to the start of the proposed 1tph via High Wycombe. A great hardship that is not, and hardly relevant to the discussion about disruption around Birmingham - as i've already pointed out, no-one has suggested HS2 wont cause any disruption, just less than most if not all the alternatives usually suggested.

You can run from the Coventry corridor into Curzon St. if you wanted to - after all that is what the station was built for in the first place!

Are you not someone who argues that Curzon St is too far from New St? Apologies if you arent, but the argument normally goes hand in hand with opposition to HS2. Even if you did run the extra services into a new Curzon St, your still adding a large bill to the already massive cost and disruption of quadrupling the Coventry Corridor.

Chris
 
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RobShipway

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How do you know there wont be any space, or that it will close (the southern branch of) East-West Rail? HS2 have recently confirmed they are working with EWR on this area, and unless you know differently the outcome of that work remains unknown.

At worst there'll be a delay to the start of the proposed 1tph via High Wycombe. A great hardship that is not, and hardly relevant to the discussion about disruption around Birmingham - as i've already pointed out, no-one has suggested HS2 wont cause any disruption, just less than most if not all the alternatives usually suggested.



Are you not someone who argues that Curzon St is too far from New St? Apologies if you arent, but the argument normally goes hand in hand with opposition to HS2. Even if you did run the extra services into a new Curzon St, your still adding a large bill to the already massive cost and disruption of quadrupling the Coventry Corridor.

Chris

I am sure I read somewhere that it is being suggested that a rail link similar to what you have between Birmingham International to Birmingham Airport be setup to both Snow Hill and New Street stations? Plus by then you will also have the abolity to connect uisng the Midland Metro as well.
 

DynamicSpirit

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The reality is that there is no such huge pot of money. Less than 3% of the admittedly massive headline budget figure of £32.6bn is allocated to the present Parliamentary period; some of it dedicated to relieving the issue of blighted property, much of the rest funding preparations required to inform the enabling Hybrid Bill legislation.

Jo Public has been taken in by this false storyline. If someone believes that there is money available right now that could fund a local rail scheme from which they might directly benefit, it's not surprising to find support for HS2 wilting in favour of this notion - but it's simply a downright lie!

Surely the time that the money is allocated for is irrelevent. *If* it is true that there are more worthy local rail projects that the £32.6bn could be spend on instead, then presumably those projects will still be needed and still be more worthy some years down the line, whenever that money would actually become available. So the question still comes down to whether in principle there are other rail projects that between them would give better use of the money. (Personally, I'm undecided on that question, but it does seem plausible).
--- old post above --- --- new post below ---
When will the public comprehend what is going on here - a carefully crafted campaign of misleading half truths is underway, pursuing a relentless war of attrition to undermine public and political support for HS2 policy - a policy that we should recall boasts a clear democratic mandate - 88% of votes cast in the last general election for the three mainstream national parties, all of them carrying a clear and unequivocal commitment to High Speed Rail in their manifestos (HS2 was already in the public domain by 2010). The UK electorate had a choice and they made it - build a new high speed line. HS2 is that new line.

I very much doubt that almost any voters chose to vote for one of the main parties in 2010 did so primarily because of HS2 commitments in their manifestos.
 

bangor-toad

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Sorry Jason but you're misunderstanding. EWR consists of two lines - Oxford - Bicester - Bletchley which you rightly point cross at a right angle to HS2 with the second line being the Met/GCR from Aylesbury to Calvert. It is this second line that HS2 is taking control of and will cause massive disruption to.

Fair point.
The Oxford - Bletchley route appears to be the more important part and I've overlooked the Aylesbury - Calvert part.

I don't think this is a problem though. If the longer terms plans are known then passive provision can be made at the design stage for EWR for future changes.
If HS2 is going to go slap on top of the EWR allignment then as part of the civil works for that would to be to deal with the issue. It would need a new allignment to the side of HS2 as a diversion for EWR. This would just be part of the costs of building HS2 and a few miles of 75/90/100mph track through open countryside isn't expensive compared to building in a built up area.
As for disruption, just build the diversion first, have a few weekends of closure whilst the ends are slewed, it's all connected and it's all good.
/
As to if it's going to single or double track, does this really matter? It'll be done to whatever the cheapest option is to meet the demand. The HS2 works will replace like for like. If the original EWR business case is electrified double track, that's what the diversion will be (at HS2's cost). If it's a single track 75mph unelectrified route, then that's what the replacment will be.

Cheers,
Jason
 
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How do you know there wont be any space, or that it will close (the southern branch of) East-West Rail?

The HS2 people confirmed it at one of the roadshows. The entire route will be rebuilt so it will have to close for a long period of time.

I don't think this is a problem though. If the longer terms plans are known then passive provision can be made at the design stage for EWR for future changes.
If HS2 is going to go slap on top of the EWR allignment then as part of the civil works for that would to be to deal with the issue. It would need a new allignment to the side of HS2 as a diversion for EWR. This would just be part of the costs of building HS2 and a few miles of 75/90/100mph track through open countryside isn't expensive compared to building in a built up area.
As for disruption, just build the diversion first, have a few weekends of closure whilst the ends are slewed, it's all connected and it's all good.

HS2 is supposed to be a 'new' line so why go about the headache of rebuilding an existing one and possibly building a new line for EWR as you're suggesting? Build two lines when you could have just built one - which is the more cost effective. North of Calvert the route is proposed to take an 'S' bend when there is perfectly straight alignment available as shown by Ove Arup.

As to if it's going to single or double track, does this really matter? It'll be done to whatever the cheapest option is to meet the demand

It does matter - both for future proofing and secondly a second track is required through Calvert for the 'binliner' train.
 

The Planner

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The binliner won't last forever though as Calvert will eventually fill up. What is the proposed service level along the Aylesbury - Calvert section ? As I am not convinced you need to double track it purely because of that, no reason why you couldn't flight it behind a passenger.
 

jon0844

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Couldn't HS2 have new lines branching off in the coming years? First we build the line, and then we look at how we can improve/expand it 10, 20 or 30 years on.

I just wish all new lines were built with some expansion factored in.
 

LE Greys

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Its not especially relevant to the current discussion but i've just found Chiltern's submission to the 'all party parliamentary group for HSR' - worth a read.

Chris

It certainly is!

Evidence from Chiltern Railways said:
Britain’s railways are now handling more traffic than at any time since the 1920s, and both passenger and freight traffic are continuing to grow despite the poor state of the national economy. A particular feature is the growth of rail traffic to/from south midlands (e.g. existing towns such as Banbury and Bicester, or new cities such as Milton Keynes), due to these being favoured locations for new housing development. There is a limit to how much of this growth can be absorbed on the existing rail network.

A conventional railway line handling a mixture of intercity passenger(100-125mph), local passenger (75mph) and freight (60-70mph) of necessity makes sub-optimal use of line capacity, due to fast trains catching up with slow ones. This is exacerbated where more trains have to call at intermediate stations.

I certainly agree with both of those.

Evidence from Chiltern Railways said:
In this context it is unfortunate that the proposed new route to the north is known as “High Speed 2”. Whilst high speeds result in higher revenue earnings, better equipment utilisation, and better connectivity between different parts of the UK, the most important requirement for the new line is to provide extra capacity - and this will benefit en-route communities on the existing network at least as much as those making end-to-end journeys. It is regrettable that this message has been widely overlooked.

Not so sure about this though, not with the way it has been planned.

Evidence from Chiltern Railways said:
With sensible planning a single new line can provide capacity relief to each of the main routes from London to the north (West Coast Main Line, Midland Main Line, East Coast Main Line)

True, provided there is proper access to all these lines from HS2, so lots of classic-compatible stock running through from new line to old.

Evidence from Chiltern Railways said:
The new line can provide capacity relief to those parts of on existing network that are both the most congested, and where the room available for expansion is most limited – i.e. the first 30 miles out of London, and the last 10 miles into Birmingham.

That's certainly true of London, but Birmingham is far harder to justify without some means of connection at the far end. Also, are these really 'the last 10 miles'? Why does Virgin run so many trains through to Wolverhampton?

Evidence from Chiltern Railways said:
By concentrating on a single traffic type (i.e. high-speed intercity passenger) a new line can give far more additional capacity than could an upgrade of a conventional mixedtraffic railway.

Probably true, but that depends on allowing those passengers to get to it rather than operating in splendid isolation. Cross-platform interchange is by far the easiest way to do this, incorporting the ticketing system is necessary as well.

Evidence from Chiltern Railways said:
A new line can be routed to avoid urban areas, with a resultant reduction in the number
of people affected.

And reducing the number of people it serves without some means to get to the stations in the urban areas. Every town bypassed means lost passengers. Obviously, it doesn't need to stop at every gate and stile from London to Glasgow, but anywhere with a population of 100,000 or greater should be considered a potential station.

Evidence from Chiltern Railways said:
Engineering work on an existing railway is inevitably more expensive than on a “greenfield” site, where construction is unimpeded by the need to continue running trains.

Does alongside an existing railway (no closer than 10ft) count as being part of that railway or a greenfield site? That needs clarification.

Evidence from Chiltern Railways said:
Due to the amount of lineside housing, upgrading and additional tracks is least practical where it is most needed – again, the first 30 miles out of London.

Now that I certainly agree with!

Evidence from Chiltern Railways said:
A number of commentators have suggested that the Chiltern line could be upgraded as an alternative to HS2. We do not believe this is practical:

And that, but I don't think it's an either/or situation. Without upgrading parallel lines, HS2 can't work.

Evidence from Chiltern Railways said:
Much of the additional land and construction work needed would be in the middle of urban and residential areas such as Gerrards Cross and Beaconsfield, and considerable purchase of domestic property would be required. Away from the towns it is also questionable whether significant work would be allowed in the Chiltern AONB.

That's a major problem whatever you do, but it has to be faced. Without dealing with that problem, you end up with a line in splendid isolation. You need to do something about access, which means lots of changes to junctions and service diversions.

Evidence from Chiltern Railways said:
At both High Wycombe and Leamington Spa the existing railway is elevated above the town, and on a sharp, speed-restricted curve. A new by-pass line would thus be needed, and due to (perceived) noise impacts this would probably also be desirable for the other towns en-route. In this case the various by-passes might as well be linked to give a wholly-new route throughout, rather than a sub-optimal mismatch of old and new.

Between Northolt and Denham the works needed to upgrade the existing railway would be little different from those proposed for HS2.

Interestingly, they seem to have hit on exactly what I would like to see happen even if we don't go for the full HSGC idea. HS2 effectively absorbs the Chiltern route and uses it as slow lines. However, they don't carry it through to its logical conclusion, that there should be much more connection between the two.

Evidence from Chiltern Railways said:
The effects of not providing future capacity
9. We believe that on the affected routes some, and possibly all of the following would occur:
  • Rationing by space – i.e. overcrowding.
  • Rationing by price – i.e. fares would be raised to choke off demand. This would penalise lower income travellers, and also be ineffective at those times (e.g. commuter rush hours) at which passengers have little option to change their travel patterns in response to price signals.
  • The withdrawal of some services in order to create line capacity for others. If profitable long distances trains are withdrawn, the railways’ financial viability would suffer; if local and commuter trains are withdrawn, the socio-economic benefits of the rail network would be reduced.
  • Rail punctuality and reliability would decrease, due to the system being required to operate more trains than it is designed for.
  • Long-term disruption of the rail network due to attempting incremental capacity increases along existing lines. This would impact on both rail users and lineside residents, and in many instances provide only temporary relief.
  • Modal shift from rail to road and air – due to all of the above. This would not only bring adverse environmental and fuel security impacts, but would increase pressure on road space and runway capacity. This would in turn lead to calls for highway and airport expansion, which in terms of landtake, noise and emissions would have far worse impacts than expanding the rail network.
  • Successive governments’ plans to tackle the housing shortage by building new homes in e.g. Milton Keynes and Northampton would be put at risk due to inadequate public transport capacity.

This speaks for itself. However, I'd like to add a few things. HS2 has only a slight benefit for Milton Keynes and Northampton, by allowing one or two extra stops, although every little does help. E-W Rail will do a lot more for the area there.

Evidence from Chiltern Railways said:
North Chiltern Parkway
10. Calls have been made in some quarters for a “North Chiltern Parkway” station, perhaps at Calvert, Bucks, where the new HS2 line would cross the proposed East West Rail line from Oxford to Milton Keynes. We believe that such a station would be undesirable:
  • The resultant mix of non-stop and stopping trains on HS2 would reduce line capacity.
  • Most traffic from the new station would be towards London; to provide sufficient seating trains would need to run partially empty between Birmingham and the new station.
  • The new station would be in a wholly rural area, and thus dependent on long-distance railheading [sic] by car.
  • There would be no interchange benefits between HS2 and EWR, as the potential connections already have direct rail links (e.g. Oxford- Birmingham).

They seem to be missing the point here. I certainly agree that Calvert is completely the wrong place, since it doesn't serve anywhere. Thing is, they are forgetting Brackley Central. Of course most of the traffic would be towards London, that's why they need somewhere to collect it into one place and feed it to HS2, like Ebbsfleet. However, by being in Brackley, it would not suffer the problems that Ebbsfleet has of being in the middle of nowhere. The idea would be to use the Javelin model to allow HS2 to serve the northern half of the Chiltern route (Birmingham Moor Street, Stratford-on-Avon, Northampton, etc), thus removing a lot of traffic south of Banbury (the other end of the link line) and allowing an increase in suburban stopping frequencies - linked with electrification, which is needed if you want to operate 395s. It's a compromise, trading capacity for utility, but it's a useful compromise that provides a vast improvement to an area currently dependent on diesel traction and full of commuters who get to London via the M40. What's more, it could connect them directly to Kent as well.

HS2 expresses would of course zoom past Brackley at full line speed.

Evidence from Chiltern Railways said:
Future Chiltern Railways services
12. We understand that claims have been made to the effect that, post HS2, Chiltern Railways would increase fares and/or reduce services at intermediate stations. We have no such plans, and totally refute these allegations.

How much say do they really have in the matter? Will they be able to attract funding for line improvements when they or their successor looks for them? Will they be able to source new stock easily at the next renewal cycle? After HS2, Chiltern will go back to being the 'poor relation' it was under BR, when the WCML and GWML got all the funding and Marylebone was nearly turned into a coach terminal. It's solveable if they can make HS2 work for them. It provides a means to get fast trains off their lines, allowing them to increase suburban frequencies. It also provides a means to get their routes wired to increase compatibility and free them for diversions.

Sorry this is such a long post
 
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Couldn't HS2 have new lines branching off in the coming years? First we build the line, and then we look at how we can improve/expand it 10, 20 or 30 years on.

I just wish all new lines were built with some expansion factored in.

One of the keys flaws of HS2 is that it has no room for expansion. From day 1 of phase 2 opening all paths will be used so no extra services and no possibility of extra stations along the core.
 

Chris125

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The HS2 people confirmed it at one of the roadshows. The entire route will be rebuilt so it will have to close for a long period of time.

All i can find online is that they are working with EWR on this area, so it would be helpful if you could provide some quotes or a link stating that.

HS2 is supposed to be a 'new' line so why go about the headache of rebuilding an existing one and possibly building a new line for EWR as you're suggesting?

For someone who wants upgrades to existing lines instead of HS2, you seem very concerned about it delaying a 1tph service between Aylesbury and Milton Keynes. You dont need to convince us that HS2 will be disruptive - no-one is suggesting otherwise.

Regarding the alignment via Calvert, there may be other benefits but the obvious one is direct access to the construction base at Calvert. The recent funding of EWR has obviously complicated things, but delaying the start of a 1pth service between Aylesbury and Milton Keynes is hardly the end of the world and certainly doesnt justify a completely different alignment.

It does matter - both for future proofing and secondly a second track is required through Calvert for the 'binliner' train.

If there's no room for EWR i cant see there being room for the binliner terminal which will presumably be relocated, especially if the line south is being closed as you suggest.

Regarding 'future proofing', how much demand is there ever going to be? If more than 1tph between Aylesbury and Calvert is required then then there is plenty of scope to provide it further south.

If there was a sufficiently frequent service to justify redoubling the whole line, the far greater issue would be providing room for those extra trains on the rest of the route.

Chris
 
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LE Greys

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All i can find online is that they are working with EWR on this area, so it would be helpful if you could provide some quotes or a link stating that.



For someone who wants upgrades to existing lines instead of HS2, you seem very concerned it delaying a 1tph service between Aylesbury and Milton Keynes. You still seem to be trying to prove the point that HS2 will be disruptive - no-one is suggesting otherwise.

Regarding the alignment via Calvert, there may be other benefits but the obvious one is direct access to the construction base at Calvert. The recent funding of EWR has obviously complicated things, but delaying the start of a 1pth service to Milton Keynes is hardly the end of the world and certainly doent justify a completely different alignment.



If there's no room for EWR i cant see there being room for the binliner terminal which will presumably be relocated, especially if the line south is being closed as you suggest.

Regarding 'future proofing', how much demand is there ever going to be? If more than 1tph between Aylesbury and Calvert is required then then there is plenty of scope to provide it further south.

If there was a sufficiently frequent service to justify redoubling the whole line, the far greater issue would be providing room for those extra trains on the rest of the route.

Chris

Why look on Calvert as a problem? Surely it's an opportunity for an access point and an ideal permanent-way maintanence base? It has rail access that does not involve travelling over HS2, and it is easy to get to HS2 from. Running ballast trains over miles and miles of high-speed line to get to a work site, even if done in the dead of night, would be a serious problem because they couldn't cope with the canted curves. Besides, you want as little occupancy by ballast trains as possible.
 

sprinterguy

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I imagine you are talking about the leading vehicles of each set of an EMU? I have done calculations before showing that at this length, a DMU can have less capacity than LHCS, mainly due to the 'Cabinets' at each end of every car, and that realistically, only 1.3333 extra carriages are put in each set.
Very much so. As a basic comparison:

Current EMT 2+8 HST
Length: 220 metres, Seating: 110 first, 359 standard

9 -car 390 with a comparable 3 carriages of first class
Length: 216.9 metres, Seating: 108 first, 370 standard

Proposed 9-car IEP unit
Length: 234 metres, Seating: 106 first, 510 standard (Big difference in standard class seating, but the formation is an extra 14 metres long).
 

HSTEd

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I thought the "cabinets" issue had been largely solved these days, with the 2 carriage LO Cl172s only having one metre of cabinet across the entire train?
 
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All i can find online is that they are working with EWR on this area, so it would be helpful if you could provide some quotes or a link stating that

I can hardly post a link to what someone said orally. The guy said it would be a 3-track alignment - 2 x HS2 and 1 x EWR. The maps clearly show new structures.

The recent funding of EWR has obviously complicated things, but delaying the start of a 1pth service between Aylesbury and Milton Keynes is hardly the end of the world and certainly doesnt justify a completely different alignment.

Spending about £100m completely unnecessarily is just crazy. So the people of Aylesbury & Milton Keynes (& Winslow) don't matter then? EWR is long overdue.

If there was a sufficiently frequent service to justify redoubling the whole line, the far greater issue would be providing room for those extra trains on the rest of the route

Any additional services would extension of current Aylesbury / AVP terminators. HS2 prejudices the ability to put Brackley back onto the railway map.
 

Chris125

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I can hardly post a link to what someone said orally. The guy said it would be a 3-track alignment - 2 x HS2 and 1 x EWR. The maps clearly show new structures.

How have you concluded that the £100m would be spent 'completely unneccesarily' when you've been told there will be room for EWR alongside HS2? Thanks for confirming that though. I see you've still not provided any evidence about a delay/closure.

So the people of Aylesbury & Milton Keynes (& Winslow) don't matter then?

:roll:

Any additional services would extension of current Aylesbury / AVP terminators. HS2 prejudices the ability to put Brackley back onto the railway map.

...and that would justify redoubling the entire line to Calvert if its as prohibitively expensive as you appear to suggest? I think not, especially as its far from certain there's be enough capacity to get them onto the WCML slow lines anyway.

Chris
 
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jon0844

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One of the keys flaws of HS2 is that it has no room for expansion. From day 1 of phase 2 opening all paths will be used so no extra services and no possibility of extra stations along the core.

Really? I though the capacity from long trains and being able to run so close together allowed for capacity way beyond what we'd need for years.

The old lines aren't closing, so not everyone will want or need to change - so it's nearly all brand new capacity too.

You make it sound like it will be full up and broken within weeks. Of course, if we're in such need of this demand, then all the more reason to get started ASAP.

And why couldn't a new station be built? Yes, there would be some disruption for the engineering work - but surely it's not impossible?
 
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How have you concluded that the £100m would be spent 'completely unneccesarily' when you've been told there will be room for EWR alongside HS2?

It would be cheaper to build a totally new alignment and provide more capacity.

...and that would justify redoubling the entire line to Calvert if its as prohibitively expensive as you appear to suggest? I think not, especially as its far from certain there's be enough capacity to get them onto the WCML slow lines anyway.

I've never said it would be expensive to re-double the EXISTING route, I don't know where you got that idea from. The additional paths would be for the likes of Brackley.

Regarding slow line capacity, isn't HS2 supposed to be releasing capacity?:lol:

Really? I though the capacity from long trains and being able to run so close together allowed for capacity way beyond what we'd need for years

There is plenty of seating capacity for the routes concerned but no spare train paths to run to additional locations.

And why couldn't a new station be built? Yes, there would be some disruption for the engineering work - but surely it's not impossible?

Simple train planning principles - station calls increase headways, particularly when not all trains will stop thereby reducing the number of trains can run - the only way to get round it is with significant four tracking (as is happening at Birmingham Airport. It would be a several hundred million pound job for a single station.
 

Chris125

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It would be cheaper to build a totally new alignment and provide more capacity...I've never said it would be expensive to re-double the EXISTING route, I don't know where you got that idea from. The additional paths would be for the likes of Brackley.

AFAIK there are no serious or even half serious proposals to reopen a line to Brackley, even if there were it really doesnt warrant a branch (though HS2 wouldnt preclude it via a different route), and any reopening as part of a larger project to rebuild the GCR would have far bigger and costlier issues to deal with than a section of new alignment alongside HS2 in open countryside. I really dont see why this is a big issue or requires re-routeing HS2 away from its main construction base.

Chris
 
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The Planner

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Simple train planning principles - station calls increase headways, particularly when not all trains will stop thereby reducing the number of trains can run -

You answered your own statement there, station calls don't increase headways at all, they reduce capacity.
 
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AFAIK there are no serious or even half serious proposals to reopen a line to Brackley, even if there were it really doesnt warrant a branch (though HS2 wouldnt preclude it via a different route), and any reopening as part of a larger project to rebuild the GCR would have far bigger and costlier issues to deal with than a section of new alignment alongside HS2 in open countryside. I really dont see why this is a big issue or requires re-routeing HS2 away from its main construction base.

How much will it cost to build a brand new route to Brackley compared to an existing almost complete trackbed? You're talking about building two railways when you could have just built one, where is the sense in that?

The Calvert site is to be a maintenance site not a construction base.
 

Chris125

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How much will it cost to build a brand new route to Brackley compared to an existing almost complete trackbed? You're talking about building two railways when you could have just built one, where is the sense in that?

I cant see how Brackley justifies a 10+ mile branch south to Calvert anyway, let alone a completely new HS2 alignment to accomadate it - if there was sufficient traffic you can rebuild the line to Banbury without all the expense of upgrading the existing line further south. When it comes to rebuilding the GCR as a through route, diverting around the 2ish miles of GCR alignment on the line south to Calvert makes no difference to the zero likelihood of this section being reopened.

That's all i have to say on the matter. Im happy to discuss HS2's impact on a real-life project, but not its impact on some dreamed up fantasy reopening.

Chris
 

HSTEd

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Could just clear the HS2 alignment over that section as three tracks rather than two.... even if the third track isn't actually there.
 

Waverley125

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why is everybody obsessed with re-opening to Brackley? It's a not a particularly well populated town in a not particularly well populated bit of the country. As Ed says, clear a third track if its that big an issue, or potentially slew the alignment 10m to the east. Either way, it's irrelevant.

Honestly, 'let's not build HS2 because we'd like to give Brackley a train service'-what a crock of ****.
 

LE Greys

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Hitchin
why is everybody obsessed with re-opening to Brackley? It's a not a particularly well populated town in a not particularly well populated bit of the country. As Ed says, clear a third track if its that big an issue, or potentially slew the alignment 10m to the east. Either way, it's irrelevant.

Honestly, 'let's not build HS2 because we'd like to give Brackley a train service'-what a crock of ****.

Because it's a useful junction that allows high-speed suburban services off HS2 to head off to different destinations. It also has a bigger population than Ebbsfleet, which serves the same function.
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Could just clear the HS2 alignment over that section as three tracks rather than two.... even if the third track isn't actually there.

Is 10ft of displacement really that much of an issue?
 

Waverley125

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The purpose of HS2 is specifically NOT to provide suburban services. We have conventional lines that can do that perfectly well, as they run to big towns with lots of stops. What we need to do is optimise track usage by creating a line that can run good, fast, long-distance services, obviating the need for them on the classic lines.

Brackley is not, and never will be, a major destination. And so it does not need to be on HS2, just like Barnsley, Wakefield, Chesterfield or Ilkeston.

and FYI Northfleet (where Ebbsfleet International is) has around the same population. But just next door are Gravesend (56,000), Dartford (86,000), oh and all of South East London (1,300,000).

So Ebbsfleet acts as a railhead for 1.4 million people.

Brackley for 13,000.

Get with the programme.
 
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