Bike share boom: 7 cities doing it right

By Karla Cripps, CNNUpdated 6th December 2013
Each day, Rio de Janeiro's Samba bike share program averages 6.9 trips per bike and 44.2 trips per 1,000 residents.
Each day, Rio de Janeiro's Samba bike share program averages 6.9 trips per bike and 44.2 trips per 1,000 residents.
ITDP