Re: Melbourne frequencies (was Double deckers)

[David Guymer <davidmg@optusnet.com.au>]

Vaughan Williams wrote:

> > Off peak it is a 20  in service on each line through the Northern
> loop. If
> > one train is delayed by 3 miknutes the next 2 trains are also blocked.
> > There were some tests done earlier this year comparing headways in the
> > Burnley loop where signalling had been improved. It showed minor
> > improvement.
>
> This is rubbish, if you have a 20 minute service on five lines then
> thats four minutes between trains. If one train is delayed by three
> minutes, therefore, it wouldn't slow down the next train by more than a
> minute and certainly wouldn't affect the one after.

If you ride on any of these trains you would found it does get delayed by
the train in front of your's.

> > > Anyway, why should they all go through the loop? Half should go
> direct
> > > to Flinders & Spencer from Nth melb, then you can have a 10-min off
> > > peak frequency which gives you just over 3mins between trains with
> room
> > > to add extra ones during the peaks if needed.
> >
> > Government policy.
>
> Policy is no justification - why should they all go through the loop?

Ask the goverment.

David G.