服务日期起始时间2026年9月9日 04:31 起预定出发时间显示 21班次到计划实际1Grantham Bus Sta 506:21—1Grantham Bus Sta 507:29—S156SGrantham Walton Academy08:11—1Grantham Bus Sta 508:23—1Grantham Bus Sta 509:12—27Grantham Bus Station (Stand 5)10:21—1Grantham Bus Sta 510:28—1Grantham Bus Sta 511:28—1Grantham Bus Sta 512:28—1Grantham Bus Sta 513:28—27Grantham Bus Station (Stand 5)13:51—1Grantham Bus Sta 514:28—S156SGrantham Walton Academy15:16—1Grantham Bus Sta 515:30—1Grantham Bus Sta 515:59—27Grantham Bus Station (Stand 5)16:26—1Grantham Bus Sta 516:30—1Grantham Bus Sta 517:39—1Grantham Bus Sta 518:35—M4Grantham Eden House Hotel18:50—1Grantham Bus Sta 519:25—计划值和观察值分开保存。当缺乏特定站点的观察时，BustimeFinder 不会虚构实时出发。