Second Sydney Harbour crossing to follow North West Rail

 

News article: Second Sydney Harbour crossing to follow North West Rail

[color=#000000][size=3][font=Helvetica Neue', Helvetica, Arial, sans-serif][b][b]THE man in charge of the $8.

  JimYarin Chief Commissioner

Location: Adelaide, South Australia


THE man in charge of the $8.3 billion North West Rail Link said he is building the line on the assumption a second Harbour rail crossing will follow and that Tube-like single-deck trains will then travel all through Sydney.

Transport for NSW's North West Rail Link project director Rodd Staples said his department was working on the concept of a second Harbour rail crossing - a tunnel from Chatswood through St Leonards and involving the creation of a new station at North Sydney. The director's comments show the dilemma facing Premier Barry O'Farrell because, although Transport Minister Gladys Berejiklian has stated she wants a second Harbour rail crossing, it is completely unfunded, would cost $10 billion to $15 billion and would likely require the sale of the $30 billion electricity poles and wires.
Second Sydney Harbour crossing to follow North West Rail


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makes good sense to continue to provide capacity in sydney for cross harbour.  why would you build it to only run single deck?

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  Raichase Captain Rant!

Location: Sydney, NSW
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makes good sense to continue to provide capacity in sydney for cross harbour.  why would you build it to only run single deck?
JimYarin
I keep asking myself the same question about the N/W rail link, haha!

I still think there's a place for SD, high speed loading/unloading metro type trains in Sydney, but as a dedicated metro system to supplement the heavy rail. Heavy rail should bring the people in from the outer suburbs, with metro serving the inner suburbs and through the CBD...
  bevans Site Admin

Location: Melbourne, Australia
I keep asking myself the same question about the N/W rail link, haha!

I still think there's a place for SD, high speed loading/unloading metro type trains in Sydney, but as a dedicated metro system to supplement the heavy rail. Heavy rail should bring the people in from the outer suburbs, with metro serving the inner suburbs and through the CBD...
Raichase

Does this suggest higher speeds cannot be achieved on a metro system?  Is this what the NSW government believes?

Are multi-deck trains unable to provide the service?  The issue in my mind is by building the second harbour crossing to a different standard you are potentially restricting operational redundancy as in the event the harbour bridge route is not accessible or is out for maintenance the alternative path under the harbour is not available to the mass fleet cityrail have now.

This is akin to building a new harbour road tunnel and restricting the height of the new tunnel to prevent higher cars?

Regards
Brian
  TomBTR Train Controller

Location: near Sydney
This is akin to building a new harbour road tunnel and restricting the height of the new tunnel to prevent higher cars?


Don't laugh, they did just that in Dublin to stop trucks using a tunnel to the port district. They say most people regret that decision now.
  Alfred3333 Locomotive Fireman

I thought the government plans to terminate the Bankstown Metro at Cabramatta, not Liverpool (as it mentions in the article). Have their plans been altered?
  Raichase Captain Rant!

Location: Sydney, NSW
Does this suggest higher speeds cannot be achieved on a metro system?  Is this what the NSW government believes?
bevans
Brian, I don't think that it has anything to do with speed or anything beyond loading and unloading times for trains. The DD stock has a poorer power to weight ratio, but with modern technology, this is negligible. I'm sure the government has their reasoning, but I personally would like to see the SD metro stock and service used to serve the CBD and inner suburbs, with the existing DD stock bringing people in to the city. Catching a DD train from one CBD station to the other isn't practical with all of the seating, this is where a metro type train like Melbourne would be more useful.
  Watson374 Chief Commissioner

Location: Fully reclined at the pointy end.
Catching a DD train from one CBD station to the other isn't practical with all of the seating, this is where a metro type train like Melbourne would be more useful.
"Raichase"
I rather think that the original idea was that short hops would be made in the vestibules, but due to crowding this is increasingly impractical.

Inner suburb metros would be fantastic, but I rather suspect that this is no longer considered a viable option due to significantly higher cost if they were to be built now, as opposed to if they had been built in the interwar or postwar eras (whereupon we might have ended up with an inner-suburb metro system resembling the London Underground).
  donttellmywife Chief Commissioner

Location: Antofagasta
Inner suburb metros would be fantastic, but I rather suspect that this is no longer considered a viable option due to significantly higher cost if they were to be built now, as opposed to if they had been built in the interwar or postwar eras (whereupon we might have ended up with an inner-suburb metro system resembling the London Underground).
Watson374
In real terms or in relative-to-average-wage terms, why would they cost more today?

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  awsgc24 Minister for Railways

Location: Sydney
I thought that I read somewhere that the new Metro Single Deck tunnels were 6m in diameter.

Does this mean that the SD trains can be 3m wide at floor level, which is the 3m width as Tangaras, and thus use existing platforms with the same "gap".

What then about any difference in floor height, and thus the "step" from existing platforms such as at Chatswood onto the floor of the SD Metro trains?

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