OSL class

The OSL class consists of 50 Optare Solo Slimline SL integral single-decker buses, numbered OSL1–OSL50.

OSL class vehicles are currently operated by Localbus East Midlands at Dove Holes, Loughborough and Nottingham; Localbus North West at Liverpool; Localbus Scotland at Greenock and Hamilton; and Localbus Yorkshire at Charnock, Wakefield and York.