The 404 linked Walsall and Blackheath via West Bromwich. It was operated by National Express West Midlands. There was also an extended working of the route, the 404A, which was an extension of the main route from Blackheath to Cradley Heath and was also operated by National Express West Midlands. This ran to a half hourly frequency. The routes were operated using Scania OmniLinks, new in 2008, at a combined frequency of every six minutes Monday to Saturday. Nxwm new buses from 2018 to 2017 for WA YW BC