This is the easiest ,economical and non polluting system,not to speak of easing traffic congestion.
In the Chinese city of Hangzhoul Bike sharing system is a massive hit. In the city of nearly 7 million, the bike-share system — started in 2008 — has more than 50,000 bikes. Here’s more on this world-class bike-sharing system from Streetfilms:
Hangzhou’s 2,050 bike-share stations are spaced less than a thousand feet from each other in the city center, and on an average day riders make 240,000 trips using the system. Its popularity and success have set a new standard for bike-sharing in Asia. And the city is far from finished. The Hangzhou Bicycle Company plans to expand the bike-share system to 175,000 bikes by 2020!.