sentences:  Work on lighting was completed in autumn 2015.Stagecoach routes A and D operate a core route from Trumpington Park-and-Ride site, Addenbrooke's Hospital, Cambridge City Centre, and Cambridge Science Park, and St Ives .The Monday to Saturday off-peak timetable has four buses an hour (one per hour operating via Cambridge North Station as service D), where one bus starts from Royston prior to Trumpington .