Making communities bike-friendly can help reduce traffic congestion and increase the physical activity of residents. Learn how one Philadelphia resident is working to make his community a healthier and safer place through bicycling infrastructure. Comments on this video are allowed in accordance with our comment policy: http://www.cdc.gov/SocialMedia/Tools/CommentPolicy.html This video can also be viewed at http://www.cdc.gov/cdctv/ActiveLiving/Wmv/ActiveLiving.wmv