Metric CAB Inc. Is committed in providing an excellent transportation need of OUR clients 24 hours and seven days a week. ALL OUR cabs are latest models. Always clean and with the feel and look of a â&euro&oelignormalâ&euro CAR. OUR CAB drivers are committed to serving OUR patrons with professionalism and respect. Every driver we hire is approved by the city of MEDFORDâ&euro&tradeS police department. Metric CAB is proud to serve the city of Medford. And surrounding cities and towns. We provide competitive flat rates to and from logan international airport.