服務日期起始時間從 17:29 出發於 2026年9月7日預定出發顯示 21公車行程至預定觀察到170Marks Farm, Tesco17:33—170Marks Farm, Tesco17:33—170Marks Farm, Tesco18:22—170Marks Farm, Tesco18:22—170Marks Farm, Tesco18:22—X20North Stn Forecourt18:40—X20North Stn Forecourt18:40—170Marks Farm, Tesco19:24—170Marks Farm, Tesco19:24—X20North Stn Forecourt19:41—X20North Stn Forecourt19:41—170Marks Farm, Tesco20:12—170Marks Farm, Tesco20:12—X20North Stn Forecourt20:51—X20North Stn Forecourt20:51—X20North Stn Forecourt21:52—X20North Stn Forecourt21:52—X20North Stn Forecourt22:49—X20North Stn Forecourt22:49—X20Colchester Osborne23:59—X20Colchester Osborne23:59—預定和觀察到的數值分開保存。當缺少特定站點的即時觀察時，BustimeFinder 不會捏造即時出發。