ktvu's christina rendoan tells us which areas will get the bikes in the future. >> reporter: plans inrks to roll out up to 7,000 more bikes in the bay area bike share program. a big increase from the 700 bikes in the pilot program now. >> peter lives in oakland and is excited to hear the proposed expansion would be oakland, berkeley, would get bikes for the first time. >> we need shared bikes in berkeley, oakland, there's not a lot of bikes over there. >> the san francisco pilot program was so successful, the metropolitan transportation commission says more bikes make sense. it won't cost taxpayers a dime with the private company called motivate behind the push to get the bay area going. >> the private guys are going to come in, they will find a name, sponsor, that will sponsor the bikes. you'll see advertising on the bikes in the bike stations. in return, we get an expansion of the program. >> it's sustainable and affordable. >> advocates with the san francisco bike coalition says their group is excited, too. >> we're expecting up to 4500 bikes and this would give us the density and