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Real time performance of tube and traffic in London
1. Real time performance of tube and traffic in London Dr David Mountain Placr Ltd [email_address] www.placr.co.uk Possibilities of Real Time Data London Data Store City Hall 19 Apr 2010
David is the Technical Director of Placr Ltd. He has an MSc in Geographic Information Systems from Leicester University (1998) and a PhD in Information Science from City University (2006). David was a researcher and lecturer at City University from 1999 - 2008, where he developed some of the earliest location-based services and helping to launch commercial spinouts from R&D projects, including the Camineo mobile guide platform now widely deployed across Europe and North America. In this academic role, David has published widely in academic journals and international conferences. In 2008, David formed Placr Ltd with Jonathan Raper, specialising in advancing geolocation technologies from proof-of-concept to commercial services. Active projects include location-aware mobile guides, meta-positioning systems, and context sensitive travel information.
Need viz examples of each
A generic overview, but what about detail
[could have some arrows with oddities pointed out eg hi freq Northern line south, better freq on E District line than any other 'out of town' line, Bayswater and Old Street are lowest frequency cent London stations] A spatial, nontemporal analysis
Xx legend xX Red is short waiting time Yellow is long waiting time
How does tube frequency vary across the network over the course of a day?
Starting up – low frequency everywhere
Service gets going – good performance for main routes
Still improving
Lower freq in early afternoon
Freq picks up for late afternoon
Tailing off in evening
Let’s drill down to one station. What’s its expected profile (grey) What are the recent conditions (brown) Last 24hrs was generally better than expected, but what went wrong at 1400-1500?
So we can do a
For last last hour, how has performance been, relatively to expected Green higher freq Orange – as expected Ref lower freq - problems
Southern loop of circle line has problems – avoid?
![Real time performance of tube and traffic in London Dr David Mountain Placr Ltd [email_address] www.placr.co.uk Possibilities of Real Time Data London Data Store City Hall 19 Apr 2010](https://image.slidesharecdn.com/placr-tuberoadhistory-v5-100427052049-phpapp01/85/Real-time-performance-of-tube-and-traffic-in-London-1-320.jpg)
![Travel network sensors ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)