- Route
-
721
- Operator
-
Arriva
- Route description
-
This route serves:
- Luton
- Pepperstock
- Harpenden
- St Albans
- Leverstock Green
- Hemel Hempstead
- Traveline link
- Changes to this service
-
Route 721 will be withdrawn after 30 August 2025. The frequency on route 321 between Luton and St Albans will be increased, and other routes are available between St Albans and Hemel Hempstead. More information on Arriva's website.