The 333 is a bus route in the West Midlands, United Kingdom. The route links the two busy towns of Walsall and Wolverhampton via the areas of Darlaston, Bentley, Lodge Farm & Willenhall (compared to service 529 which is more direct). Other methods of transport between the two towns are by using London Midland rail service. This option is quicker. Despite being regarded as the 'long' link between the two towns it is only 13 minutes longer out of itself and the 529. On a Sunday the services operates a 60 minute frequency. The route used to be operated by Wolverhampton garage.