Revised timetable and route change.
31st Aug 2025 onwards
Revised timetable and route change. Service now re-routed from Valley Road in Welwyn Garden City to serve Lemsford Lane, Stanborough Road and Osborn Way to replacement section of withdrawn service 601.
Affected routes:
366
Luton to Welwyn Garden City/South Hatfield
via New Mill End, East Hyde, Harpenden, Batford, Wheathampstead & Hatfield