Personal rapid transit cars seat up to six people and go directly to their destinations . Advocates say they could ease congestion , tame urban sprawl , get people out of their way . Critic ##ize PRT is a naive concept , other modes of transportation are better . It 's a question of which U.S. city is going to be first . ` San Francisco is one of the few cities seriously considering PRT .
Personal rapid transit cars seat up to six people and go directly to their destinations . Advocates say they could ease congestion , tame urban sprawl , get people out of their way . Critic ##ize PRT is a naive concept , other modes of transportation are better . San Francisco is one of the few cities seriously considering PRT .