Motor buses continued to operate alongside the trolleybuses until the network began to be closed in the 1960s with the last running in September 1967.

[2] In December 1973 Derby Corporation purchased Blue Bus Services of Willington.

[1][2] Following deregulation, Derby City Transport faced competition from Camms of Nottingham[4] and Midland Red.

[6] In August 1996 British Bus was purchased by the Cowie Group[2] and again rebranded as Arriva Derby with the corporate aquamarine and cream livery adopted.

During 2019, nineteen Wright StreetLites joined the fleet to help meet clean air targets for buses in Derby city centre.