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Name: Is the 370 the worst bus route in Sydney?
--client lca --show lca2018 --room medium 13576 --force
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Author(s):	Katie Bell
Location	Medium Lecture Theatre CB11.00.401
Date	jan Wed 24	Days Raw Files
Start	11:40	First Raw Start	11:12
Duration	0:45:0	Offset	0:27:57
End	12:25	Last Raw End	12:42
Chapters	00:00 0:01:30 0:31:30
Total cuts_time	43 min.

http://lca2018.linux.org.au/schedule/presentation/83/
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In Switzerland, people will be surprised at a bus that's 2min late. In Sydney, people will only consider it noteworthy if a bus is more than 30min late, and this varies greatly between routes and providers. So, how do Sydney busses (and third-party bus providers) stack up against each other and the world? To answer these questions we need data… lots of data.

Hooray for open government data! Transport NSW publishes real-time information on the location and lateness of all public transport. Unfortunately it's ephemeral – there is no public log of historical lateness for us to analyse. To gather the data I needed I had to fetch, log and aggregate ephemeral real-time data that was never intended to be used this way. There are random gaps and spontaneous route or timetable changes for special events, roadworks or holidays. Even with noisy data, the patterns start to emerge across months.

Public transport networks of the world export timetable and real-time data in a (reasonably) consistent format so this process can be applied across cities and countries. Let's see how Sydney stacks up against other cities or how Australia stacks up against the world! Perhaps 40min late busses are not an inevitable fact of life.

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2018-01-24/11_12_03.ts
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2018-01-24/11_42_03.ts
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