278期：===（长安街）【二十八码】→01,05,06,13,14,15,18,19,20,21,22,23,24,25,26,27,29,32,33,34,35,36,39,40,43,45,46,49~~开：22对
279期：===（长安街）【二十八码】→01,03,07,08,12,14,18,19,21,22,24,25,26,27,28,29,31,33,36,37,38,39,41,42,43,44,46,47~~开：27对
280期：===（长安街）【二十八码】→01,02,03,06,08,09,10,11,13,14,15,16,17,18,21,23,25,27,28,29,32,37,38,39,40,41,42,48~~开：07错
281期：===（长安街）【二十八码】→02,08,11,12,13,14,16,18,19,20,21,25,26,27,28,29,31,32,33,34,37,40,42,43,45,46,47,49~~开：=--=