Buses are provided by Arriva Shires & Essex and Centrebus, with some assistance from Hertfordshire County Council. Arriva's 300/301 Centraline service links Welwyn and Oaklands to the nearby towns of Stevenage, Welwyn Garden City, Hatfield, St Albans and Hemel Hempstead, as well as neighbouring villages Woolmer Green and Knebworth. The 301 additionally connects both the nearby hospitals in Stevenage and Welwyn Garden City, while the 300 provides a direct link to recreational areas such as Stanborough Lakes in Welwyn Garden City and Verulamium Roman town in St Albans. Buses run every 15 minutes Monday–Friday, every 20 minutes Saturday, and hourly on Sunday. Additional bi-hourly service 314 is provided by Centrebus, connecting Welwyn to Codicote and Hitchin.