http://bike-pgh.org/2009/07/pittsburgh-made-and-developed-chalkbot-sprays-messages-at-the-tour-de-france/ Bicycle safety, advocacy, and community Wed, 10 Mar 2010 05:54:57 -0500 http://wordpress.org/?v=2.8.5 hourly 1 http://bike-pgh.org/2009/07/pittsburgh-made-and-developed-chalkbot-sprays-messages-at-the-tour-de-france/comment-page-1/#comment-26704 scott Mon, 20 Jul 2009 21:10:42 +0000 http://bike-pgh.org/?p=2815#comment-26704 More on Chalkbot: http://www.post-gazette.com/pg/09198/984458-28.stm More on Chalkbot: http://www.post-gazette.com/pg/09198/984458-28.stm

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