8. Bicycles make up more than 7% of the total vehicular traffic on the South Street Bridge

7. The Surgeon General reports that regular moderate physical activity such as bicycling for 30 minutes can substantially reduce the risk of developing or dying from heart disease, diabetes, colon cancer, and high blood pressure.

6. In 2000, 3.2% of Center City workers and 0.4% of Delaware Valley workers biked to work.

5. When bicycle usage doubles, the crash risk for each individual declines by one third  

4. Bicycling on the Schuylkill River bridges (JFK, Market, Chestnut, Walnut, South) more than doubled (163%) between 1990 and 2008

3. An estimated 36,000 commuters bicycle to work at least once a month in Philadelphia.

2. More than 400 bicycle on transit trips are taken daily on NJ TRANSIT's RiverLINE.  That's about 5% of the total ridership.

1. On a typical day Philadelphia bicyclists take 75,000 trips and travelling 260,000 miles. roughly the distance from the Earth to the Moon.