New service route number.
2nd Nov 2025 onwards
New route service route number. New service route will operate via Panshanger, Welwyn and Ayot Green with an hourly service Mondays to Saturdays. This will replace the withdrawn 908 service. Services 400 and 401 combined will continue to provide a bus up to every 30 minutes from Panshanger to Welwyn Garden City town centre.
Affected routes:
400
Stevenage to Welwyn Garden City
via Knebworth & Welwyn