Bike shares have become increasingly popular in recent years, shifting from a European novelty to common sight in about 40 U.S. cities 

What makes for a successful bike share?

Martha Roskowski is Vice President of Local Innovation at the national nonprofit People for Bikes. She says that bike share programs have become more innovative, accessible, and affordable, and with the right kind of developments, could become an integrated part of public transportation in cities all over the country. 

Listen to the full interview using the player above.