This document discusses sustainable mobility in the city of Bremen, Germany. It highlights Bremen's low traffic congestion ranking compared to other European cities. It promotes using street space more efficiently through walking, cycling, ride-sharing and car-sharing. Bremen has seen significant growth in its car-sharing program, increasing stations from 1 to 88 and users from 300 to around 14,000 between 2010 and 2017. The document advocates for integrating car-sharing into urban planning and public transportation to encourage multimodal mobility and reduce private vehicle ownership. It speculates autonomous vehicles could replace up to 90% of road vehicles in the future through advanced car-sharing models.