D1 bus time schedule & line map D1 Bath City Centre View In Website Mode The D1 bus line (Bath City Centre) has 6 routes. For regular weekdays, their operation hours are: (1) Bath City Centre: 5:56 AM - 11:52 PM (2) Boreham Field: 5:28 AM - 5:45 PM (3) North Bradley: 4:45 PM - 7:45 PM (4) Salisbury: 5:59 AM - 3:45 PM (5) Trowbridge: 5:03 AM - 11:10 PM (6) Warminster: 1:21 PM Use the Moovit App to ƒnd the closest D1 bus station near you and ƒnd out when is the next D1 bus arriving.