Re: Re: Sydney Metro reaffirms safety and reliability
  Dudley Horscroft

Paris copied London's Metropolitan and Metropolitan District Railways, which became the Metropolitan and District Railways ( and then Lines) before Paris though of it.

Regards

Dudley

On 6/06/2022 11:55 am, Stuart Keenan wrote:
> The term "Metro" seems to have been seized by corporate and marketing types in recent years and used in their attempts to sell a train or rail line to the wider community as something sleek, futuristic, glossy, etc.

>

> However a Google search turns up Compagnie du chemin de fer métropolitain de Paris, the Paris Metropolitan Railway Company Ltd which is shortened to Le Metropolitain or Metro (which opened 120yrs ago). Interestingly, the same article says the term Metro is an example of a genericized trademark and has been adopted in many languages "...making it the most used word for a (generally underground) urban transit *system*."

>

> The metro marketing enthusiasts espouse "high capacity, high speed, high frequency" trains as attributes that poop all over your regular suburban operation. I've not visited Paris but I have used the London tube. On any one line there, could the trains be described as high capacity? No, they're all quite small carriages marshalled (from memory) as 6 or 8 car sets, depending on the line. High speed? Hardly, they don't attain any great speed but they're probably the quickest way around that big city so using that criteria, yes to high speed. High frequency? On the centre section of each line they run every 2 minutes or so in the peak so yes to frequency although there is some short working involved so the outer ends of each line miss out somewhat.

>

> So does any one or two lines anywhere qualify as a Metro? Well nothing is legislated so any individual is free to label anything as he or she sees fit so if you want to brand Sydney's suburban line to Penrith as a Metro, you absolutely can! (Not sure what you'll do to justify all those intercity's, coal trains and the Indian Pacific though...) But if we're talking about what seems to be internationally accepted convention, then it's systems or networks with certain features that are Metro, not individual lines.

>

> That being the case, then Perth is the closest we have, although it's more accurate to describe it as a high performance (rapid acceleration, hard braking) suburban system, yes a "metro in waiting"!

>

> The automated suburban line in Sydney may morph into a metro some time in the future, if enough lines are added to make it a true system and not what is currently planned which is one long north-west to south-west line and a short east-west one.

>

> S

>

> On Sun, Jun 5, 2022, 23:37 Daniel Bowen danielbowen@...> wrote:

>

> Thanks Tony.

>

> I'm still not sure how Perth meets those criteria (and I

> appreciate there are shades of grey, and yes you're right,

> everyone has a different definition!).

>

> Perth's rail headways are mostly 15-30 minutes, not exactly high

> frequency except in peak. Not all trains stop all stops, a number

> of lines have express services.

>

> Is it fast? A quick comparison of the Fremantle line to

> Melbourne's Sandringham line (which of course is run by an

> operator with the name "Metro" but is really a suburban rail line)

> indicates similar length and average speed (37.4 km/h vs 35.8

> km/h). Obviously Perth has some faster lines along the freeways.

>

> Interesting paper, thanks for that.

>

> But I'm afraid I'm not seeing what makes it a "metro".

>

>

> On Sun, 5 Jun 2022 at 22:51, TP historyworks@...> wrote:

>

> Perth and Sydney Metro systems are rapid transit systems. This

> article explores the concept in some detail.

>

> https://en.wikipedia.org/wiki/Rapid_transit

>

> There are variations in detail and in names given to the

> system but the common factors include high capacity, close

> headways, stopping at all stops and very quick journey times.

> The conversion of the Perth system to a metro (rapid transit)

> system is described in this paper by its principal creator.

>

> https://cotma.org.au/documents/perth_2018/The%20story%20of%20electric%20trains%20coming%20to%20Perth%20-%20Alan%20Cotton.pdf

>

> Suburban or commuter rail is a different beast, although there

> are naturally overlapping characteristics. Be warned, 1,001

> different railway enthusiasts will come up with 1,001

> different arguments to challenge these definitions, which is

> fair enough because there are inevitably grey edges according

> to the requirements of different individual cities. However,

> the basic concepts are distinct.

>

> https://en.wikipedia.org/wiki/Commuter_rail

>

> Tony P

>

> On Sunday, 5 June 2022 at 22:26:47 UTC+10danie...@...

> wrote:

>

> Hey Tony, I'm interested to know how you classify a

> "metro" vs a "suburban rail system", and thus how Perth

> has transitioned from one to the other?

>

> I still think of Perth's network as suburban rail, along

> with Melbourne, Adelaide, Brisbane and Sydney Trains.

> Sydney Metro is clearly different.

>

>

> On Thu, 2 Jun 2022 at 14:21, TP

> histor...@...> wrote:

>

> It is pretty much the same as other metros I've used,

> but probably best to compare it with other automated

> metros. It doesn't quite have the acceleration and

> deceleration of Prague but I think not many would!

> It's  more comfortable than most, more like Perth

> which was lucky enough to replace its entire suburban

> system with a metro system. Sydney and Perth metros

> are evenly matched for performance given the same

> parameters (station spacing, number of stops).

>

> However, in situations like Sydney where there are two

> different types of system running side by side doing

> the same job, the comparison is valid. The metro

> smokes the suburban system on every criterion: speed

> and journey time, capacity, frequency, reliability and

> customer satisfaction. A better opportunity to compare

> will of course be when that line opens through to

> Bankstown and the other lines start opening,

> particularly Metro West. Melbourne will have its turn

> before too long.

>

> Tony P

>

> On Thursday, 2 June 2022 at 13:13:25 UTC+10

> eme...@... wrote:

>

> The other point is that metro operations should

> ideally be compared to other metro systems.

>

> How does Sydney compare to Paris, Washington, 

> Prague,  for example?

>

> If it's worse than these, explanations must be

> sought. If, otoh, it is better, then let's not be

> worried.

>

> I'm also more concerned that in cities like

> Melbourne and Sydney,  the rail system is trying

> to do the work that metros do elsewhere. Or, in

> the case of Adelaide,  heavy rail is trying to do

> the work of trams on several routes. Using the

> wrong mode for the job always means inefficiencies

> that can be used to scrap that mode.

>

>

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