High Quality Content by WIKIPEDIA articles! Capital Bikeshare (also abbreviated CaBi) is a bicycle sharing system that serves Washington, D.C., and Arlington County, Virginia. The stations and bicycles are owned by the participating local governments and operated in a public-private partnership with Alta Bike Share, Inc. With more than 1,100 bicycles operating from 116 stations, the system is one of the largest bike sharing services in the United States.