Rosso (Rossendale Transport Limited) is a bus operator providing local services in Greater Manchester, Lancashire and West Yorkshire, England.

The company expanded over the following twenty years, operating local buses in Bury, Rochdale and Rossendale, as well as neighbouring Blackburn, Bolton, Burnley and Todmorden.

In September 1990, a new depot was established in Rochdale, in order to support new routes introduced in the town following the deregulation of bus services.

[5][6][7] It culminated in a public protest outside Rawtenstall Town Hall, with the aim of dissuading Rossendale Borough Council from selling.

This route is operated by a fleet of Optare Versa single-deck vehicles branded in a two-tone purple and pink livery.

Services are operated by a fleet of Volvo B7RLE/Plaxton Centro single-deck vehicles, branded in a two-tone black and grey livery.

Services are operated by a fleet of 3 Mellor Strata single-deck vehicles, branded in a two-tone yellow and orange livery.