While it's interesting to compare Australian and overseas operations, if
you do it too often, people get annoyed. Or simply refuse to believe.
On Thu, 14 Feb 2019, 13:34 Robbie Smith zoqaeski@... wrote:
> It'd be an interesting exercise to compare Australian suburban operations
> with overseas counterparts. The Zürich S-Bahn has quite a lot of
> single-track sections, and they manage to achieve some rather impressive
> average speeds and levels of service… but then again, to the Swiss
> timekeeping is of national importance.
>
> Other than having an unnecessarily padded timetable and too many level
> crossings, the one thing that could permit more services on the Upfield
> line is the addition of a second platform at the terminus. It'd be a whole
> lot cheaper than duplicating the remaining section, and would probably
> permit ten-minute frequencies.
>
> Robbie
>
> On Fri, 2019-01-25 at 19:25 -0800, Prescott wrote:
>
> This is a timely comparison with the Perth videos that I just posted,
> where it is directly comparable to the Perth legacy lines. In terms of the
> comparable shorter-distance, closer-stops lines, the slightly more sluggish
> performance of the Melbourne train is conspicuous. Slower
> acceleration/deceleration and seemingly a slower maximum speed - it seems a
> bit dawdling by comparison. However, in terms of a shorter-distance run,
> it's not a great difference from Perth.
>
> If I take a 13 km segment that I use in the comparisons, this would be
> Upfield-Royal Park, 9 intermediate stops in 20 minutes with, from what I
> can see, similar dwell times to Perth (the Melbourne train has 3 doors per
> car I assume?). The journey time in the Melbourne case is only a couple of
> minutes slower than the equivalent on a Perth legacy line, which would
> reflect the (unnecessarily?) more lethargic performance of the Melbourne
> train. On longer distances, the gap between Melbourne and Perth widens.
>
> However, all this is nothing compared to Sydney running times which, over
> equivalent 13 km runs with the same number of stations, are a good 5 to 7
> minutes slower than the Perth times and thus, about 4 to 5 minutes slower
> than the Melbourne times. Sydney metro times over the equivalent are going
> to be very close to the Perth times, just a tiny fraction slower, but
> they're not specified for the maximum speeds that Perth trains are designed
> for. I think this will be rectified in future Sydney orders for metro
> trains.
>
> As usual, thanks for the well-crafted and informative video Richard.
>
> Tony P
>
> On Saturday, 26 January 2019 08:30:15 UTC+11, Richard Youl wrote:
>
> If you want to fill-in 25 minutes today, come for a train ride.
>
> Already this scene has changed with the completion of the grade separation
> project at Camp Road.
>
> According to my driver, although the bridge makes provision for a second
> track, the new rail cutting at this stage is only wide enough for the
> single track at this location. He thinks duplication could be another 20
> years away.
>
> https://youtu.be/MXI_aFwXCOU
>
>
> Regards,
>
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