Whippet Route U was launched in July 2016, and is subsidised by the University of Cambridge. It currently operates from the Biomedical Campus and Addenbrooke’s Hospital to Cambridge Railway Station, Queens' College, the West Cambridge Site and Eddington. There are up to 4 buses an hour during the day Mondays to Fridays, up to three buses an hour during the day on Saturdays, and up to two buses an hour on Sundays. There is a half-hourly service in the evenings Mondays to Saturdays.