one example of a comprehensive national implementation of such a platformenabled ondemand marketplace is flexdanmark see box this system builds on regulatory requirements to ensure health and educationrelated accessibility across the country to create a nationally coordinated and optimised ondemand transport facilitated by a common it platform by centralising information on demand and creating a marketplace to provide flexible supply it enables specialised trips medical school etc for example some operate fixed routes that are inpart crowdsourced by users eg chariot see figure and others offer services where riders are directed to popup stops within defined geographic areas