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Proposed Dandenong Timetable

Copyright 2006 MJJA. Copyright release available on application, on very reasonable terms: eg "Use it to your heart's content, just let me ride on it any time I validate. And by the way, it cost me $2.50 to draw up - the jelly beans I eat over the keyboard which help with the arithmetic"

This timetable was prepared after I'd had a real argument with a certain person on Railpage. See the thread here: http://www.railpage.com.au/f-t11316413.htm.

Now, the important thing: Download DNGTT.XLS. This is not certified virus free etc etc. But I wrote it with Mesa which runs on OS/2 and doesn't get viruses, and what's more I had Norman running the whole time. So there's no viruses (viri? virii, viriii, viriv, virv?) in it.

NB: This document looks at EVENING PEAK. Morning peak can be sort of similar, off-peak just depends how much we want to spend on drivers and train-kms.
Goal

Infrastructure requirements
In a nutshell
Timetable repeats itself perfectly every ten minutes. In that time run a Pakenham, Cranbourne and Frankston express and a Sandringham stopper via the City Loop, two Dandenong, one Cheltenham and one Brighton Beach stoppers direct to Richmond.
Advantages
Comparison with today's services
Today's services are spaced irregularly (apart from Sandringham services) so for want of a better method I have assessed present service levels by counting trains which depart Flinders Street between 5pm and 6pm.

ServiceTodayProposed
Serving HKN-TRK-ARM-MAL524
Serving CNE-MRB-HUG612
Serving OAK, express312 (Fast to SPG and DNG also)
Serving OAK-DNG9 (except one skips HTD)12
Serving DNG-PKM56
Serving DNG-CBE36
Serving CHM, express46
Serving MOR-FKN76 - see below under Problems
Services direct to RMD6 (not counting ALM and BBN)24
Services to SHM66
Services to BBH612
Trains required41*91**

CFD-DNG down lines run at 40% of capacity; up line at 80% of capacity (assuming no trains stable) - plenty of leeway for catch-up time and for V/Line services.

Problems, and options to look at
This focuses somewhat on the Dandenong lines. Unfortunately there isn't the capacity at Flinders Street to give Frankston the same level of service. Between Richmond and Caulfield there is room for one more express and one more stopper in every cycle, which would bring Frankston's service up to the level of Dandenong's. However this would require two more platforms at Flinders Street and displace Sandringham services from the Loop.

An option would be to pull the Dandenong stoppers down from 5-minutely to 10-minutely. However this would mean that the stations from Oakleigh to Dandenong get downgraded from nine trains an hour to six. As it is, they get an upgrade and Mordialloc-Frankston only suffers a small downgrade from seven trains to six.

This is not ideal, but since they are getting more express running, some of the load on the through trains will be transferred to the Cheltenham trains (of which there is an increase).

An interesting way around it would be to run trains out of North Melbourne Yard, through Southern Crossern Spencer Street, stop at Flinders Street platform 9 (which would be unoccupied for four minutes out of each ten except in case of late running) but just treat it as any other station, and then run direct to Richmond, stop South Yarra, Caulfield, Moorabbin and then all stations to Frankston. This idea shamelessly pinched from Connex as per http://www.railpage.com.au/f-p583222.htm#583222.

Alternatively, if you will forgive me bringing in another hobby horse, reduce some of the Frankston load (Frankston is the busiest station outside the City Saver area, I'm told), run a Stony Point train from Southern Crossern, stopping FSS, RMD, SYR, CFD, MRN, CHM, MOR, FKN and all stations to Stony Point. And make it available to suburban passengers. Five Sprinters be enough?

The author extends special thanks to:

*Presumably, since at one point the EDI Comengs basically stayed on the Caulfield group and the Siemens on the Northern group, Caulfield services (including Sandringham) must take approx 97/2-15% = 41 trains (97 x 3-car sets in the fleet, all arranged as six-cars, with 15% spare for maintenance).

**If this is not achievable Sandringham and perhaps Dandenong services can be run with three-car sets, saving 4 and 11.5 six-car sets respectively


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