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Wanted to share my map of the 227 bike accidents in Arlington from 2010 to 2012: Arlington Bike Crash Data

Thanks to BikeArlington for sharing the data!

The London Barclays Cycle Hire has a sample file with 25 trips. To get access to their bikesharing system you have to submit an application, including things like expected audience, and the IP...

The best part of the Tweed Ride is the smiles it brings to passers-by who weren't expecting to see hundreds of vintage cyclists roll by. It's like tweed diplomacy. A few photos here: Taking to Tweed,...

On the occasion of the 20th anniversary of the critical mass, I collected some pix from the DC ride: Looking Back at the Critical Mass

In general, it's a good group of riders, though I wish people...

Another awesome event. I understand they wanted to shift from the spring to the fall, but why not keep it twice a year?

Got a few pix up on my blog: Diamond Derby Returns to Crystal City

Glad...

Added Bonzai. But someone commented in the blog post that I'm missing " Annandale Bike Shop", but it is not showing up on Google. I can't add it without an address. Anyone know if this is an actual...

Thanks everyone for your suggestions - I've added them to the Bike Shops and Beyond map. I now have 91 bike shops on the map (phew!). Best way to leave a note is via the accompanying blog post,...

For anyone interested in this stuff, I made a movie that shows stations over a 3-month period (1st Q 2012), reflecting which ones have the biggest differences between check-ins and check-outs. See...

Got a couple of new CaBi movies... latest animated CaBi data from March 23, 2012: Animating a Busy Day for Capital Bikeshare

Here's another project from the cabi data: A Day in the Life of Capital Bikeshare. Please check to see if the data looks right... Does it make sense there are no CaBi trips on this November Sunday...

Here's my own visualization: Looking at CaBi Stats with a Bubble Map.

I went through 3 iterations while writing the code, so the data started making my head spin - holler if anything looks amiss.

Thanks to CaBi's open data, I recently built my own CaBi app. Well, CaBi web page. I taught myself AJAX to get it working. Please check out the beta version and see whatchya think:...

The #1 priority is a set of bridges or tunnels to connect Arlington Memorial Bridge to the Mount Vernon Trail. Crossing the GQ parkway is just too dangerous. (I've heard that lands belongs to DC and...