I am working on compiling information on accidents and derailments on the CTA rails from the past two years. I was surprised to find that there really isn’t a good public record of this. It’s easiest to find first or second day stories for about 3/4 of incidents, but many of those articles have important parts missing.

Here is all the code I've written to generate maps, the flash/actionscript source for the geotimeline component and the django backend.

You can see it in action here: http://ryan-mark.com/interactive/CTA/proj/SampleClient2.html