Analyzing the favorable winds

I threw the leg times for an end to end trip (specifically, the first train of the morning) on the Western line in both directions into a quick Excel spreadsheet, and can now reveal the following useless statistics:

  • There are 18 stations and therefore 17 legs along the western line.
  • The most common leg time is 3 minutes. There are 9 eastbound legs which take 3 minutes, and 12 westbound.
  • There are 7 legs in which the durations for the eastbound and westbound legs differ.
  • Of the 7 variances, 2 occur with the eastbound being the faster leg, and the remaining 5 occur with the westbound leg being the faster of the two.
  • No variance is greater than 2 minutes.
  • The two longest legs are also the ones with the largest variances - Newmarket/Britomart (8mins eastbound, 10 mins westbound) and Avondale/New Lynn (5 mins eastbound, 3 mins westbound).
  • The largest run of legs with no variance occurs in the western end of the line. There are 4 in a row with no variance. Legs 13 through to 16 are the same duration in both direction.

After all of this I'm none the wiser! I had some strange expectation that there would be one or two legs that would own the bulk of the time differences, but that's not the case. I'm starting to think that there's some sort of hidden art to scheduling trains that I'm not aware of. Then again, the signalling is all done from Wellington, so maybe the scheduling is too - that'd explain something, right?

 

Bonus points for guessing the mystery train related photo!

(Just kidding Wellingtonians)

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 Print | Posted on Thursday, June 21, 2007 9:07 PM | Filed Under [ NZ NZ Trains Miscellaneous Me ]



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About me

My name is Ross Hawkins and I'm a developer, consultant, business owner and writer based in Auckland, New Zealand (pictured below!). My current work revolves around ASP.NET, C#, jQuery, Ajax, SQL Server, and a mix of other Microsoft development technologies.

I also have about 15 years of experience with IBM Lotus Notes/Domino and associated technologies. While Notes/Domino is no longer my primary focus I still like to dabble and keep my skills up to date.

I own and run 2 businesses - Hawkins Consulting Services, and Ignition Development.

Bethells Beach, located in sunny West Auckland, New Zealand




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