Running between Acton Green and Piccadilly Circus, it is operated by RATP Dev Transit London.

On 13 July 1991 it was diverted to East Acton DuCane Road and the service level increased following the truncation of route 12 west of Shepherd's Bush.

[3] On 24 January 2004, route 94 was converted to one man operation with the AEC Routemasters replaced by Alexander ALX400 bodied Dennis Trident 2s.

[5] Route 94 was featured on the BBC Radio 4 program Today in December 2003 as part of a story by guest editor Gillian Reynolds on the withdrawal of the Routemaster.

It also appeared on the front of the annual Britain's Buses calendar for the same year.