500 bus time schedule & line map 500 Watford - Aylesbury View In Website Mode The 500 bus line (Watford - Aylesbury) has 6 routes. For regular weekdays, their operation hours are: (1) Aylesbury: 6:05 AM - 10:20 PM (2) Hemel Hempstead: 5:40 PM - 9:55 PM (3) Hemel Hempstead: 5:50 PM - 7:05 PM (4) Tring: 10:55 PM (5) Tring: 6:50 PM (6) Watford: 5:15 AM - 8:55 PM Use the Moovit App to ƒnd the closest 500 bus station near you and ƒnd out when is the next 500 bus arriving.