I'm trying to set up a demo that serves up live spatial data, but am having trouble finding any suitable example data sources.
Ideally I'm looking for something that updates every few seconds; either with a new position or maybe a fixed position but a new status.
So traffic congestion (for example) is out because it doesn't really update frequently enough. I was thinking that a live GPS feed would be ideal - but I just don't know of any.
Does anyone have any suggestions, or example feeds that are reliable and open?
Answer
Have you tried looking into live bus tracking or similar AVL data?
A quick google search revealed a lot of possibilities, but the Chicago Transit Authority looked like it had possibilities. They even have a Bus Tracker API that might give you access to a direct feed (although I haven't even read the details, let alone tried to use the API).
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